2013年陕西省初中毕业学业考试·英语（副题）
本试卷分为第Ⅰ卷和第Ⅱ卷两部分。第Ⅰ卷1至8页，第Ⅱ卷9至12页。全卷共120分，考试时间为120分钟。
第Ⅰ卷（共65分）
注意事项：
1答第Ⅰ卷前，请你千万别忘了将自己的姓名、准考证号、考试科目、试卷类型（A或B）用2B铅笔和钢笔准确涂写在答题卡上；并将本试卷左侧的项目填写清楚。
2当你选出每小题的答案后，请用2B铅笔把答题卡上对应题号的答案标号涂黑。如需改动，请用橡皮擦干净后，再选涂其它答案标号。把答案写在试题卷上是不能得分的。
3考试结束后，请将本卷和答题卡一并交由监考老师收回。
听力部分
Ⅰ. 听句子，选答语。（共5小题，计5分）
本题共有5个小题，每个小题你将听到一句话，读两遍，请从所给的三个选项中选出一个最恰当的答语。
( )1. A. It’s Sunday . B. It’s July 3rd. C. It’s summer.
( )2. A. I clean it every day. B. Thank you. C. That’s all right.
( )3. A. Sure. B. Thanks a lot. C. Yes, please.
( )4. A. OK, I won’t. B. OK, I will. C. OK, I can.
( )5. A. 4 days. B. 4 times. C.4 kilometers.
Ⅱ. 听对话，选答案。（共10小题，计10分）
本题共有10个小题，每个小题你将听到一段对话和一个问题，读两遍，请根据每段对话的内容和后面的问题，从所给的三个选项中选出最恰当的一项。
( )6. A. She is a cleaner. B. She is a waitress. C. She is a customer.
( )7. A. In a restaurant. B. In a bank. C. In a shop.
( )8. A. Yellow. B. Pink. C. Blue.
( )9. A. Sam. B. His father. C. His mother.
( )10.A. A CD. B. A newspaper. C. A book.
( )11. A. 200 yuan. B. 220 yuan. C. 300 yuan.
( )12. A. Because he wants to be an actor.
B. Because he wants to be an athlete.
C. Because he wants to be healthy.
( )13 .A. It’s 9:00. B. It’s 9:10. C. It’s 9:20.
( )14 .A. Great. B. Bad. C. Quiet.
( )15.A. He is seriously ill. B. He has a cough. C. He can’t sleep well.
Ⅲ. 听短文，选答案。（共5小题，计10分）
本题你将听到一篇短文，读两遍，请从每个小题的三个选项中，选出一个正确答案。
( )16.How long do the members of “Laughing Club”laugh in the park every morning?
A. 10 minutes.
B. 30 minutes.
C. 60 minutes.
( )17.What made the starter of “Laughing Club”begin to try to laugh?
A. Some advice from the book.
B. Some happiness from laughing a lot.
C. His love of laughing.
( )18 Who was the first person to join Zhang in laughing?
A. His mother.
B. His neighbor.
C. His wife.
( )19 Zhang learned more about “laughing yoga”______.
A. in Shenzhen
B. in the park
C. in India
( )20 Zhang thinks that laughing is ______.
A. a good way to help study well
B. an easy way to get relaxed
C. a great way to help work well
笔试部分
Ⅳ. 单项选择（共10小题，计10分）
本题共有10个小题，请从每个小题的四个选项中，选出一个最佳答案。
( )21 I do my best and I hope everybody else can do _________ .
A. they
B. them
C. their
D. theirs
( )22 He can’t be in the classroom. I _________him playing basketball on the playground just now.
A. see
B. am seeing
C. saw
D. will see
( )23 _________ our dream, we need to be creative and hard working.
A. To achieve
B. Achieve
C. To give up
D. Give up
( )24 It’s a good habit to _________before you start to do anything.
A. make a call
B. make a plan
C. make a living
D. make a face
( )25 Danger! Our kitchen is on fire and it’s full of_________now.
A. water
B. smoke
C. food
D. air
( )26 Please be quiet here, _________ you have to leave the room.
A. and
B. but3
C. so
D. or
( )27 Traveling a lot is as _________ as reading a lot. They both can bring us much.
A. useless
B. wonderful
C. strange
D. unsafe
( )28. _________ you go swimming alone, it may be dangerous.
A. If
B. Before
C. Unless
D. Although
( )29 He _________to make a speech about safety in our school last Friday.
A. invites
B. invited
C. was invited
D. is invited
( )30 Our school held many interesting activities for students _________June 1st.
A. on
B. in
C. at
D. by
Ⅴ. 完形填空（共10小题，计10分）
阅读下面一篇短文，理解大意，然后从各小题的四个选项中选出一个最佳答案，使短文连贯完整。
Working in Africa, one day we went to an orphanage(孤儿院). There we met a lovely little girl named Tanzile. I gave her a sweet I brought. “She 31 one more for her little sister, doctor,”said the nurse. I said “of course”and gave her 32 .
Before we left, we went to say 33 to Tanzile. She was holding the sweets I had given her.
I said to the nurse, “This little girl is 34 . She has taken two for herself.”But after the
nurse asked her some questions, we learned the _35 about Tanzile.
Tanzile was 7 then. Two years before, her mom and dad had both died of AIDS. Her baby sister was taken away from her. From then on, whenever she 36 anything from people, including food, she refused to accept it unless they gave her two —one for her and one for her 37_ .
In fact, in her room, we found quite a few old things which she had been 38 to give to her sister one day.
Later that day, I was 39 to find that this was not an isolated(个别的) story. There were many orphans just like Tanzile. With a lot of things in their rooms, they _40 _ for their siblings(兄弟姐妹) who they hadn’t seen for so long.
People sometimes think African children are different from our kids. They think that the children there don’t feel pain or sadness or love. But that is not true. Their pain is deep. And so is their love.
( )31.A. gives B. wants C. eats D. keeps
( )32.A. another B. the other C. others D. other
( )33.A. thanks B. sorry C. goodbye D. hello
( )34.A. sad B. angry C. clever D. shy
( )35.A. duty B. story C. idea D. study
( )36.A. received B. bought C. sold D. made
( )37.A. parents B. friends C. nurse D. sister
( )38.A. throwing B. wasting C. using D. collecting
( )39.A. interested B. pleased C. surprised D. tired
( )40.A. made B. got C. left D. waited
Ⅵ. 阅读理解（共15小题，计20分）
第一节：阅读下面一篇短文，判断下列句子是否符合短文内容，符合的用“A”表示，不符合的用“B”表示。(共5小题，计5分)
A
Sliced noodles are one of the most popular kinds of noodles in China. They are known as daoxiaomian in Chinese. In the past, they were made by hand. But now, things have changed.
Cui Runquan, a 35-year-old restaurant owner from Hebei Province in northern China, invented the robot Chef(主厨) Cui. Only within a few minutes, a bowl of sliced noodles is ready to serve. And customers think the noodles made by the robot chef taste good and look great! They even say the noodles are as good as the hand sliced ones.
Cui Runquan came up with the idea of a robot chef while working in his restaurant. His idea became real in 2006 after a few months’research. “As there are more and more job chances, young people don’t want to work as a daoxiaomian chef, because this job is tiring. And it’s a trend(趋势) that robots will finally work in factories and restaurants instead of people,”Cui Runquan said.
He is right. Thousands of Chef Cuis have been sent out to make noodles in restaurants around China since it was put into mass production(批量生产). And more Chef Cuis are waiting in line to work in restaurants.
( )41.The noodles made by the robot chef taste less delicious than hand-sliced ones.
( )42.Cui Runquan comes from the northern part of China.
( )43.According to the passage, sliced noodles are very popular with Chinese.
( )44.More and more Chef Cuis have been sent to noodle restaurants all over the world.
( )45.The passage mainly tells us how the robot Chef Cui was invented.
第二节：阅读下面三部分内容，从各小题所给的四个选项中选出能回答所提问题或完成所给句子的一个最佳答案。（共10小题，计15分）
B
( )46 The owls mentioned above are used ______ at the centre.
A. to recognize colors
B. to take animals
C. to send letters
D. to pick up boxes
( )47 From the second part, we know Otto ________.
A. is trying to be a member of the chickens
B. is trying to protect the chickens
C. makes the chickens uncomfortable
D. has known nothing about how rabbits live
( )48_______According to Part 3, which of the following is TRUE?
A. Koshik was taught to speak Korean language by the trainer.
B. Koshik was brought to the zoo when he was 5.
C. Koshik is still the only one at the zoo now.
D. Koshik was trained to communicate with people.
C
During our lives we meet many people. It’s hard to remember all of their names, although we try as much as possible. Don’t worry. Here is some advice on asking for someone’s name.
Situation 1: Walking down the hallway(走廊)
When you are walking down the hallway, you see someone who you’ve met before, but you can’t think of his name. It’s hard to avoid eye contact(对视), and he is waiting for you to speak
first. What will you do?
“Hi, I know we’ve met before. Do you remember me? My name is Mike.”
By being proactive(先发制人), you don’t feel nervous. And he will introduce himself at once.
Situation 2: At a training class
You are seated next to a young man that you met at a training class before. It’s clear that you know each other, but you don’t know his name. Maybe you can start like this:
“Hey! It’s nice to see you again. Another training class! They never seem to end. I’m sorry to... but may I know your name?”
By greeting him and saying something about the training lessons, you are breaking the ice, and get his name naturally.
Sometimes, it’s difficult for us to remember the names of the people we met. The advice mentioned here will help you to avoid the embarrassment(尴尬), and know their names at the moment.
( )49.In situation 1, in order to ask for someone’s name, you’d better ______.
A. ask for his name directly
B. tell him that you have met him before
C. introduce yourself to create a free situation first
D. avoid eye contact when you are introducing yourself
( )50.If you forget the name of a person who you ever studied with, you can ________.
A. show thanks for the training class
B. introduce yourself in the training class
C. tell a story about a training class which you were at before
D. greet him and say something about the training lessons
( )51.Which of the following may be the best title for this passage?
A. How to introduce someone
B. How to introduce yourself to others
C. How to ask for someone’s name politely
D. How to write down someone’s name correctly
D
How do the old people around you spend their time? Do they spend it with their family or pets? Mr.Cao, an old person from Chengdu, has lived with a pet dog while his only son works far away. He and the dog have been with each other for seven years. But the dog is missing now.
What would you do if you were in Mr.Cao’s shoes? Will you do whatever you can to get it back? Mr.Cao put an ad in the newspaper and decided to offer his house to the person who could help get his pet dog back. Maybe you think it’s hard to believe. That’s because you know little about the feelings of the empty-nest (空巢) old people like Mr.Cao. With their children studying or working far away, their houses have become empty and they have no one to talk with at home.
According to a survey, more than 40 million empty-nest old people in China face endless days and loneliness in their life. The report shows that half of Chinese families are empty-nests, and in most big cities, it is even worse, as many as 70% of the families are empty-nests. Many of the old people are trying to make their days more enjoyable with the help of pets.
As the number of Chinese empty-nest old people is rising in the next few years, one fourth of
the old will become empty-nest people. So it is time for all of us to think how we are going to help the old enjoy their later years.
( )52. From the passage, we can know Mr.Cao __________ .
A. is a young person
B. lives with his son
C. has lived with a pet dog
D. has had many people to talk with
( )53. The underlined words “were in Mr.Cao’s shoes”probably means “__________”.
A. were in Mr.Cao’s situation
B. wore Mr.Cao’s shoes
C. liked Mr.Cao’s shoes
D. were with Mr.Cao
( )54.We can learn from the passage that __________.
A. half families of the big Chinese cities are empty-nest ones
B. 70% of Chinese families are empty-nest ones
C. one of every four old people will be empty-nest old people in the future
D. the number of Chinese empty-nest old people will stop rising if we take care
( )55 The writer wants to tell us ____________.
A. empty-nest old people are living a very enjoyable life
B. empty-nest old people only want to live with pets
C. everyone is going to be an empty-nest old person
D. everyone needs to care about empty-nest old people
第Ⅱ卷（共55分）
注意事项：
1第Ⅱ卷9至12页，共4页。
2答卷前请你将密封线内的项目填写清楚。
3请用钢笔或圆珠笔直接答在试卷上。
Ⅶ. 完成句子：
根据所给汉语意思，用单词或短语完成下列英文句子。（共5小题，计10分）
56. 在我的家乡，美丽的鲜花随处可见。
In my hometown, _______can be seen everywhere.
57. 中美双方在多方面合作是很重要的。
It is very important for both China and the USA to work together_______ .
58.节约时间就是延长生命。
To_______is to live longer.
59.让我们来讨论一下你的行为。
Let’s have a _______about your behavior.
60.参加各种有益的活动有利于你的发展。
It’s _______your development to take part in different kinds of good activities.
Ⅷ. 短文填空：用方框中所给单词的适当形式填空，使短文完整正确。（每个单词限用一次。每空只填一个单词。）（共10小题，计10分）
love, succeed, mean, win, young, one, have, easier, born, dream Though he looks like a pop singer, Maksim Mrvica is one of the most famous popular pianists in the world. However, the journey to be a pianist hasn’t been 61. ______ for him.
Maksim was 62. ______in a small town in Croatia(克罗地亚) in 1975. He 63. ______piano and studied it when he was very 64. ______ . Everything went well with Maksim until 1990 when
he was 15. At that time there was a war in Croatia. The Mrvica family 65. ______to stay in the basement(地下室) for three years. However, Maksim didn’t give up his 66. _______of being a pianist. He went on playing the piano, putting his heart into the music, and forgetting the war as time went by. “For me, living 67. ______playing the piano.”The thought has been encouraging him, and he thinks it is the key to his great 68______ .
A light of hope appeared in 1993. Maksim took part in a piano competition for the 69. ______time. And he was the 70. ______of that competition.
Maksim’s eight albums(专辑) have all been successful. His wonderful music made him famous.
Ⅸ. 任务型阅读：阅读下面短文，根据短文内容，完成下列各题。（共5小题，计10分）Skylar, a nine-year-old girl, kept money in a box. She did it to go to Disneyland one day. Her parents were surprised to know this. However, they said nothing and never asked her to use her own money in the box.
When Christmas was coming, Skylar changed her mind and decided to buy presents with her money. But she also learned on TV about a local homeless shelter(避难所) called the Road House. Again and again, she asked her mother what homeless meant and why those children needed coats and warm clothes. It seemed that she cared about the homeless children very much. One day, she asked her mother to take her to buy some presents for a homeless child. Her mother was pleased to know Skylar was a kind-hearted girl and did so. At the store, Skylar bought a warm coat, socks, and crayons(蜡笔). She also wanted to buy a toy, but when she found she didn’t have enough money, she left the toy behind. When Skylar got home, she took out her own toys and chose a lovely one. She thought another child might also love it. In the end, she put the toy into a box together with the things she bought that day.
She was so excited and waited for Christmas! On Christmas Eve(前夕), she and her family drove to the shelter. There Skylar gave her Christmas box to a poor little girl. She felt happy to help someone else and her family has decided to visit the homeless shelter every Christmas Eve.
71.Why did Skylar keep money in a box?
Because she wanted to________one day.
72. How did Skylar learn about the Road House?
She learned about it ________.
73.Who did Skylar give the presents to?
She gave them to ________.
74.What decision has the family finally made?
They have decided to________on Christmas Eve from then on.
75.What does the writer probably think of Skylar and her family?
The writer probably thinks they’re ________people.
Ⅹ. 补全对话（共10小题，计10分）
（A）根据对话内容，将方框内符合对话情境的句子抄写在对话空白处，使对话恢复完整。选项中有两项是多余的。
L: Hi, Kate! Summer holiday is coming. 76. _________
K: No, I don’t. What about you, Lucy?
L: 77. _________
K: Shall we go to Hawaii? If so, we can go swimming and walk along the white beaches.
L: Sounds wonderful! 78. _________
K: Why?
L: It’s far away from us, and we don’t have enough money. K: You are right. 79. _________
L: Great! How can we get there?
K: By plane.
L: OK. 80. _________
（B）根据下面对话中的情境，在每个空白处填入一个适当的语句，使对话恢复完整。
A: Hey, Kevin. Are you going home?
B: Yes. But first, I’m going to a store. I need to buy a gift.
A: For whom?
B: 81. _________. It’s Father’s Day next Sunday.
A: Oh! I see. What are you getting for your father?
B: I’m not sure. 82. _________ ?
A: Of course. Let me think... 83._ _________ ?
B: He likes reading very much.
A: 84. _________?
B: I get a book for him every year. I want something different this year.
A: What about a key ring?
B: 85. _________. Thanks.
A: You’re welcome.
Ⅺ. 书面表达（共1题，计15分）
最近浙江卫视“中国梦想秀”播出了一个残疾女孩的故事。请根据下列提示，给学校英文小报投稿，叙述她的故事和你的感受。
要求：1.参考提示语，可适当发挥；
2.语句通顺，意思连贯，书写工整；
3.文中不得出现你本人的姓名、所在学校名称和地址；
4.词数：60~80词。（开头已给出，但不计入总词数。）
Yang Pei is 24 years old now. _________________________________________________ __________________________________________________________________________ __________________________________________________________________________ What’s your plan for it？Do you have a plan?
So do I. But it’s not a good choice.
Neither do I. Let’s go there.
What about going to Dalian then?
2013年陕西省初中毕业学业考试·英语（副题）
答案及评分参考
第Ⅱ卷（共55分）
Ⅶ. 56.beautiful flowers 57. in many ways 58. save time 59. discussion / talk
60. good /helpful/useful for
Ⅷ. 61. easy 62. born 63. loved 64. young 65. had
66. dream 67. means 68. success 69. first 70. winner
Ⅸ. 71. go to (visit) Disneyland
72. on TV
73. a homeless child/a poor little girl
74. visit the homeless shelter/the Road House
75. kind/nice/kind- hearted/helpful/warm-hearted
Ⅹ.(A)76. Do you have a plan? 77. Neither do I. 78. But it’s not a good choice.
79. What about going to Dalian then? 80. Let’s go there.
（B)81. For my father
82. Can (Would/Could) you give me some advice (suggestions)/Will you please give me some advice (suggestions)
83. What does he like (doing/to do)
84. Why not get him a book (get a book for him )/Why don’t you get him a book (get a book for him )/What (How) about getting him a book (getting a book for him )
85. Good idea/Sounds great/Sounds like a good idea
Ⅺ. One possible version:
Yang Pei is 24 years old now. She’s from Shaanxi. In the past, an accident happened to her. And she lost her arms in it. She never went to school. Luckily, she is an optimistic girl. She started learning to do things with her feet. Now, she makes a living by selling things. And all the things are made with her feet. Also, she can look after herself very well and lives a happy life. How brave she is! We should learn from her. When we’re in trouble, we should face it bravely!
2013年陕西省初中毕业学业考试·英语副题
听力文稿
Ⅰ. 听句子，选答语。
本题共有5个小题，每个小题你将听到一句话，读两遍，请从所给的三个选项中选出一个最恰当的答语。
1. What day is it today?
2. Your room is really clean.
3. Can you please help me?
4. Take care of your things when you are on the train.
5. How far is your school from here?
Ⅱ. 听对话，选答案。
本题共有10个小题，每个小题你将听到一段对话和一个问题，读两遍，请根据每段对话的内容和后面的问题，从所给的三个选项中选出最恰当的一项。
6.W: Good morning, sir. May I take your order now?
M: Yes. I’d like some beef noodles and tomato soup.
Q: Who is the woman?
7. W: Hello. May I speak to Harry, please?
M: Sorry, but he doesn’t work in our bank any longer. He is working in a restaurant.
Q: Where does Harry work now?
8.W: Which sweater will you take, the pink one or the yellow one?
M: Oh, they both look nice. But I’d like a blue one.
Q: What color does the man want?
9.W: You swim so well, Sam! Did you learn it by yourself?
M: No. My father taught me.
Q: Who taught the boy to swim?
10.W: Please remember to borrow that book from the library on your way home.
M: OK. I’ll do it for you.
Q: What does the woman want?
11.W: Oh, this MP5 player looks nice. What’s the price of it?
M: 300 yuan.
W: It’s too expensive. How about 200 yuan?
M: OK, you can take it.
Q: How much will the girl pay?
12.W: Do you want to be an athlete, Tom? You play sports every day.
M: No, I want to be a doctor in the future. I do sports to keep healthy.
Q: Why does the man play sports every day?
13.W: Oh, look at the clock. It’s 9：10. The concert will start soon.
M: D on’t worry. The clock is ten minutes fast.
Q: What time is it now?
14.W: Steve, where did you go last weekend?
M: I went to the mountains.
W: Did you have a great time?
M: Yes, quite.
Q: How was Steve’s trip to the mountain s?
15.W: What’s wrong with you, young man?
M: I don’t feel well and have a cough.
W: Let me have a look. Well, nothing serious. Just take some medicine and have a rest.
Q: What’s wrong with the young man?
Ⅲ. 听短文，选答案。
本题你将听到一篇短文，读两遍，请从每个小题的三个选项中，选出一个正确答案。
Hello, everybody! Do you have a good way to relax yourself? You may get an idea from the story below.
Every morning, about a thousand people laugh together for half an hour in a park in Shenzhen. They are members of a group named “Laughing Club”.
Zhang Lixin, the starter of the club, said that laughing has brought him a lot of happiness. He started to try laughing to relax after he read some advice in a book. After laughing for a few days, Zhang found he became happier and more relaxed. His wife was the first person to join him. And they two brought the family more laughing. When he learned that a kind of exercise called “laughing yoga” is good for people’s health, Zhang went to India to learn more about it. In India he learned more than 30 ways of laughing. Later he came back and started “Laughing Club”.
Many people were interested in the laughing and took part in it. More and more people are joining this happy group.
People sometimes get tired or have difficulty in work or study. Zhang believes laughing is an easy way for people to get relaxed. So have a try for yourself and it sure will work!
2016年河南省中考英语试卷 一、听力理解（20小题，每小题1分，共20分）第一节听下面5段对话．每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳答案，并将其标号填入题前括号内．每段对话读两遍． 1．（1分）（2016?河南）Who is going to Canada？ A．Jack． B．Chris． C．Julie． 2．（1分）（2016?河南）When can Linda probably come to the party？ A．At 6：30． B．At 7：00． C．At 7：30． 3．（1分）（2016?河南）What did Eric do last weekend？ A．He read a book． B．He stayed at home． C．He went swimming． 4．（1分）（2016?河南）Why does Peter look unhappy？ A．Because he has a math problem． B．Because he failed in the math test． C．Because he's lost his math textbook． 5．（1分）（2016?河南）How many people are there in the boy's family？A．Two． B．Three． C．Four． 第二节听下面几段对话或独白．每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳答案，并将其标号填入题前括号内．每段对话或独自读两遍．
6．（2分）（2016?河南）听下面一段对话，回答第6至第7两个小题．6．How doesthe womanlike dogs？ A．They are noisy． B．They are peaceful． C．They are easy to train． 7．What will the woman have as a pet？ A．A cat． B．A dog． C．A bird． 8．（2分）（2016?河南）听下面一段对话，回答第8至第9两个小题．8．Where is the woman going？ A．To the bus station． B．To the train station． C．To the airport． 9．How much does the woman pay？ A．﹩40． B．﹩45． C．﹩50． 10．（3分）（2016?河南）听下面一段独白，回答第10至第12三个小题．10．How ofen does Dennis buy a new story book？ A．Every day． B．Every week． C．Every month． 11．What does Dennis think of reading？ A．Fantastic． B．Boring． C．Relaxing． 12．What does Dennis want to be when he grows up？ A．A teacher．
2016年陕西省初中毕业学业考试试题 英语试卷 第I卷（共65分） A 卷 听力部分（20分）
笔试部分 III. 单项选择（共10小题，计10分） 本题共有10个小题，请从每个小题的四个选项中，选出一个答案。 21. Good words can touch not only your heart but also . A. I B. my C. myself D. mine 22. Yest erday I saw film. It moved me deeply. A. a B. an C. the D. / 23. The dress is really beautiful, it is too small for me. A. or B. but C. so D. and 24. It?s a good idea to send the old books the children who need them. A. at B. of C. to D. by 25.---Could you tell me it takes to walk to the Disneyland? --- About 20 minutes. A. how far B. how long C. how often D. how soon 26. you speak, your English will be. A. The less; the more B. The more; the better C. The less; the better D. The more; the less 27. Football to our school subjects last year. A. is added B. adds C. was added D. added 28. My mother a good example for me since I was young. A. was B. has been C. will be D. is 29. ---V olunteers from Lantian Saving Team have saved many travelers in the
班级：________ 姓名：________ 得分：________ 机密★启用前 试卷类型：A 2018年陕西省初中毕业学业考试 数学试卷(副题) 本试卷分为第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。 全卷共120分。考试时间为120分钟。 第Ⅰ卷(选择题 共30分) 注意事项： 1. 答第Ⅰ卷前，请你千万别忘了将自己的姓名、准考证号、考试科目、试卷类型(A 或B )用2B 铅笔和钢笔或中性笔准确涂写在答题卡上；并将本试卷左侧的项目填写清楚。 2. 当你选出每小题的答案后，请用2B 铅笔把答题卡上对应题号的答案标号涂黑。如需改动，请用橡皮擦干净后，再选涂其它答案标号。把答案填在试题卷上是不能得分的。 3. 考试结束，本卷和答题卡一并交给监考老师收回。 一、选择题(共10小题，每小题3分，计30分．每小题只有一个选项是符合题意的) 1. －7 8 的相反数是 A ．－87 B. 87 C ．－78 D. 7 8 2. 下列图形中，经过折叠可以得到四棱柱的是 3. 如图，直线a ∥b ，在Rt △ABC 中，∠C ＝90°，AC ⊥b ，垂足为A ，则图中与∠1互余的角有 A ．2个 B ．3个 C ．4个 D ．5个 4. 若正比例函数y ＝kx 的图象经过第二、四象限，且过点A (2m ，1)和B (2，m )，则k 的值为 A ．－1 2 B ．－2 C ．－1 D ．1 5. 如图，在Rt △ ABC 中， ∠ ACB ＝90°， ∠ A ＝65°，CD ⊥ AB ，垂足为D ，E 是BC 的中点，连接ED ，则∠DEC 的度数是 A ．25° B ．30° C ．40° D ．50° 6. 下列计算正确的是 A ．a 2＋a 3＝a 5 B ．2x 2·(－13xy )＝－2 3 x 3y C ．(a －b )(－a －b )＝a 2－b 2 D ．(－2x 2y )3＝－6x 6y 3 7. 如图，在菱形ABCD 中，AC ＝2，BD ＝4，点E 、F 、G 、H 分别在AB 、BC 、CD 和DA 上，且EF ∥AC .若四边形EFGH 是正方形，则EF 的长为 A. 23 B ．1 C. 4 3 D ．2
2016年陕西省初中毕业学业考试(副题) 物理试卷 (本卷满分：70分考试时间：与化学共用120分钟) 第Ⅰ卷(选择题共16分) 一、选择题(共18小题，每小题2分，计16分．每小题只有一个选项是符合题意的) 1．二胡是我国民族弦乐器之一，它的音色优美柔和．关于二胡下列说法正确的是( ) A．二胡发出的声音是琴弦振动产生的 B．按压琴弦的不同位置是为了改变二胡发出声音的响度 C．共鸣箱可以提高二胡发出声音的音调 D．粗细不同的两根琴弦发出声音的响度一定不同 2．下列估测符合实际的是( ) A．一支普通粉笔的质量约为50 g B．我国居民身份证的规格约为8.5 cm×5.3 cm C．白炽灯正常发光时灯丝温度约为500 ℃ D．中学生正常步行100 m所用时间约为5 min 3．许多自然现象都伴随着物态变化过程，如：①积雪消融、②滴水成冰、③云消雾散、④霜打枝头等．其中放出热量的有( ) A．①②B．①③C．②④D．③④ 4．关于粒子和宇宙，下列说法正确的是( )
A．固体很难被压缩，是由于分子间存在斥力 B．物体不带电，是因为物体内部没有电荷 C．地球、太阳、月球是按由大到小的顺序排列的 D．银河系里有一千多亿颗恒星，它们是静止不动的 5．下列做法中符合安全用电要求的是( ) 6．中国科学家发现了一种新材料，它像气球一样轻；强度比同质量的钢材大207倍，能承受极大的冲击力；导电导热性能好；还能在被挤压到原体积的5%后恢复到原来的形态．这种材料可作为缓冲垫用于防弹衣的内部和坦克的表面，做缓冲垫时，没有用到该材料的物理属性的是( ) A．密度小B．强度大C．导电性能好D．弹性好 7．关于能源和信息，下列说法中不正确 的是( ) ．．． A．化石能源的大量使用会造成环境污染和生态破坏 B．手机只能接收电磁波，不能发射电磁波 C．核能是不可再生能源 D．光纤通信通过电磁波传递信息 8．如图是一款便携式飞盘发电机，使用时将中间的涡轮取出，用导线将它连接到机身的蓄电池上，再把涡轮放到流动的水里，飞盘发电机就可以发电并将能量储存在蓄电池中．下列图示实验反映飞盘发电机工作原理的是( )
2015陕西中考英语真题及答案 第I卷（共65分） 听力部分 I. 听对话，选答案（共15题，计15分） 第一节：听下面10段对话，每段对话后有一个问题，读两遍，请根据每段内容的对话和后面的问题，从所给的三个选项中选出最恰当的一项。 1. A. She is playing a game. B. She is watching TV. C. She is studying. 2. A. By taxi. B. By bus. C. By car. 3. A. Fine. B. Bad. C. Cold. 4. A. To have a walk. B. To do some housework. C. To do his homework. 5. A. A pen. B. A ruler. C. A pencil. 6. A. Because it?s too big. B. Because it?s too expensive. C. Because it?s too cheap. 7. A. The restaurant. B. The zoo. C. The store. 8. A. On Sunday. B. On Saturday. C. On Monday. 9. A. Yellow. B. Blue. C. White. 10. A. 8:20. B. 8:00. C. 7:40. 第二节：听下面两段对话，每段对话后有几道小题，请根据每段对话的内容和后面的问题，从所给的三个选项中选出最恰当的一项。每段对话读两遍。 听第11段对话，回答第11至12小题。 11. Where are they talking? A. In a supermarket. B. In a vegetable field. C. In a cooking school. 12. How did the man learn to cook? A. He learned it by himself. B. He learned it from a teacher. C. He learned it from his friend. 听第12段对话，回答第13至15小题。 13. What team will the school set up? A. A basketball team. B. A swimming team. C. A soccer team. 14. How many students will be chosen from each class? A. One. B. Two. C. Three. 15. When will the first match be held? A. This afternoon. B. Tomorrow morning. C. Tomorrow afternoon. II. 听短文，选答案（共5小题，计10分） 本题你将听到一篇短文，读两遍，青葱每个小题的三个选项中，选出最恰当的一项。 16. What was Lin Hui?s problem? A. He didn?t sleep well. B. He made very little progress. C. He was in poor health. 17. Lin Hui solved his problem with his _______ help. A. teacher?s B. classmates? C. parents? 18. What is the first piece of advice you hear? A. To communicate with others. B. To find out the best time to study. C. To have enough sleep at night.
2016年陕西省中考英语试题 第I卷（共65分） 笔试部分 III. 单项选择（共10小题，计10分） 本题共有10个小题，请从每个小题的四个选项中，选出一个答案。 21. Good words can touch not only your heart but also . A. I B. my C. myself D. mine 22. Yesterday I saw film. It moved me deeply. A. a B. an C. the D. / 23. The dress is really beautiful, it is too small for me. A. or B. but C. so D. and 24. It’s a good idea to send the old books the children who need them. A. at B. of C. to D. by 25.---Could you tell me it takes to walk to the Disneyland? --- About 20 minutes. A. how far B. how long C. how often D. how soon 26. you speak, your English will be. A. The less; the more B. The more; the better C. The less; the better D. The more; the less 27. Football to our school subjects last year. A. is added B. adds C. was added D. added 28. My mother a good example for me since I was young. A. was B. has been C. will be D. is 29. ---V olunteers from Lantian Saving Team have saved many travelers in the mountains. --- . A. How great a man B. How great men C. What a great man D. What great men 30. I didn’t accept his help I wanted to try it myself. A. because B. though C. until D. unless IV. 完形填空（共10小题，计10分） 阅读下面一篇短文，理解大意，然后从各小题的四个选项中选出一个最佳答案，使短文连贯完整。 One day during a Spring Festival, I was taking a walk near my house when suddenly there came a voice, “Excuse me, sir.” I turned around and saw an old beggar(乞丐). “Have you 31 some money, about fifty yuan, around here? I lost it just now.”He looked at me and 32 my reply. “Sorry, I haven’t,” I answered. He went away saying in a low voice, “Where is it? 33 Should I do now? I really need the money.” I could sense that he was 34 . Then I got an idea. I took out a fifty-yuan note(纸币) and dropped it on the ground. “Here! Here is the money!” I picked it up and 35 it to him. Then I walked towards my house. A week later, on a snowy afternoon, I heard someone knocking at the door. It was the old beggar with a heavy bag on his shoulder. He put down the bag36 and said “Thank you so much. I knew you gave me your own 37 that day, for the money I lost was in change(零钱)。But my wife was38 , and I really needed it to buy some medicine for her. So I didn’t return it to you.” He added, “I have nothing to pay for your, here’s some rice I got from door to door for your 39 children. As the saying goes, ‘A child who is fed by many families grows stronger.’ I will be pleased 40 you like it” Hearing his words, my wife and I were so moved that tears ran down our faces. 31. A. made B. lent C. seen D. dropped 32. A. looked for B. paid for C. left for D. waited for 33. A. How B. Which C. What D. Why 34. A. worried B. bored C. interested D. relaxed 35. A. pushed B. passed C. led D. threw 36. A. carefully B. easily C. carelessly D. hardly 37. A. food B. drink C.cloth D.money 38. A. well B. sick C.busy D.free 39. A. cuteness B. illness C.kindness D.sadness 40. A. before B. whether C. though D.if V. 阅读理解（共10小题，计10分）
考点跟踪突破37短文填空 A(2015，成都) back，bad，express，feel，it，loud，luck，simple，s w eet，thank，t w o，w arm Once upon a time，a young man came across a spring (泉水) of clear water while crossing the desert.The water was very sweet，and he filled his leather container (皮革容器) so that he could bring some 1.back to his teacher.After a four-day journey，he presented the water to his teacher. The old man took a deep drink，smiled 2.w armly and thanked his student very much for the sweet water.The young man returned to his village with a happy heart.After a while，the teacher let a 3.second student taste the water.He spat (吐) it out，saying it was terrible.It was clear that the water had become no longer fresh and sweet because of the old leather container.The student questioned his teacher，“Master，the water tasted strange.Why did you still like it？” The teacher replied，“You 4.simply tasted the water while I tasted the gift.The water was the container for an act of love and kindness and nothing could be 5.s w eeter．” After reading the story，we can understand that when we receive a chocolate as a gift from a child，we get more than the chocolate 6.itself．What we should do properly is to express 7.thanks naturally to him or her because we love the idea within the gift. Gratitude (感谢) doesn't always come naturally. 8.unluckily，most children and many grown -ups like only the thing given rather than the 9.expressions shown in it.We should remind ourselves and teach our children about the beauty of feelings and 10.feelings of gratitude.After all，gifts from the heart are really gifts of the heart. B(2015，杭州) ad v ice，decide，make，sleep，that，I，anything，angry，too，al w ays From：sandra@https://www.doczj.com/doc/a817596768.html, To：elle@https://www.doczj.com/doc/a817596768.html, Subject：Need help! Hi Elle， I need some help with my problems.I don't know what to do！You're so confident (自信的) and always know what to do，so I hope you can give me some 1.ad v ice． I have very strict parents who won't let me do 2.anything on my own.They've been really 3.angry with me because of my poor school results.I don't know how to let them know that their pressure is 4.making it hard for me to do well in school. My friends at school are 5.al w ays trying to get me to do things I don't like.I want to make my own 6.decision(s)．I don't want to do things because of the pressure from my classmates.How do 7.I deal with them? I'm always worrying about my looks.I think I'm getting too fat.I have too many pimples (粉刺) on my face，8.too． All these problems are making me feel very stressful and sad.I'm so stressed 9.that I'm beginning to have sleep problems.I worry so much that I can't 10.sleep.What can I do？Please help? Yours， Sandra C(2015，江西) another，carry，control，ha v e，life，w ell，tree，so，usual，w ild Animals are important in Indian culture and are treated in a special way.For example，a lot of
机密★启用前试卷类型：A 2018年陕西省初中毕业学业考试数学试卷(副题) 注意事项： 1. 本试卷分为第一部分(选择题)和第二部分(非选择题)。全卷共8页，总分120分。考试时间120分钟。 2. 领到试卷和答题卡后，请用0.5毫米黑色墨水签字笔，分别在试卷和答题卡上填写姓名和准考证号，同时用2B 铅笔在答题卡上填涂对应的试卷类型信息点(A 或B )。 3. 请在答题卡上各题的指定区域内作答，否则作答无效。 4. 作图时，先用铅笔作图，再用规定签字笔描黑。 5. 考试结束，本试卷和答题卡一并交回。 第一部分(选择题 共30分) 一、选择题(共10小题，每小题3分，计30分．每小题只有一个选项是符合题意的) 1. －7 8 的相反数是 A ．－87 B.87 C ．－78 D.7 8 2. 下列图形中，经过折叠可以得到四棱柱的是 3. 如图，直线a ∥b ，在Rt △ABC 中，∠C ＝90°，AC ⊥b ，垂足为A ，则图中与∠1互余的角有 A ．2个 B ．3个 C ．4个 D ．5个 4. 若正比例函数y ＝kx 的图象经过第二、四象限，且过点A (2m ，1)和B (2，m )，则k 的值为 A ．－1 2 B ．－2 C ．－1 D ．1 5. 如图，在Rt △ABC 中，∠ACB ＝90°，∠A ＝65°，CD ⊥AB ，垂足为D ，E 是BC 的中点，连接ED ，则∠DEC
的度数是 A ．25° B ．30° C ．40° D ．50° 6. 下列计算正确的是 A ．a 2＋a 3＝a 5 B ．2x 2·(－13xy )＝－2 3 x 3y C ．(a －b )(－a －b )＝a 2－b 2 D ．(－2x 2y )3＝－6x 6y 3 7. 如图，在菱形ABCD 中，AC ＝2，BD ＝4，点E 、F 、G 、H 分别在AB 、BC 、CD 和DA 上，且EF ∥A C.若四边形EFGH 是正方形，则EF 的长为 A.23 B ．1 C.4 3 D ．2 8. 将直线y ＝3 2x －1沿x 轴向左平移4个单位，则平移后的直线与y 轴交点的坐标是 A ．(0，5) B ．(0，3) C ．(0，－5) D ．(0，－7) 9. 如图，四边形ABCD 是⊙O 的内接四边形，AD ＝B C.若∠BAC ＝45°，∠B ＝75°，则下列等式成立的是 A ．AB ＝2CD B ．AB ＝3CD C ．AB ＝3 2 CD D ．AB ＝2CD 10. 已知抛物线y ＝x 2＋(m ＋1)x ＋m ，当x ＝1时，y >0，且当x <－2时，y 的值随x 值的增大而减小，则m 的取值范围是 A ．m >－1 B ．m <3 C ．－1 海洋教育物理sun 12017年陕西省初中毕业学业考试(副题) 物理试卷 (本卷满分：70分考试时间：与化学共用120分钟) 第Ⅰ卷(选择题共16分) 一、选择题(共8小题，每小题2分，计16分．每小题只有一个选项是符合题意的) 1．鸣笛声呐抓拍设备的声学探头能精准定位汽车鸣笛声、自动忽略其他声音，同时联动摄像头识别并抓拍车牌号．下列说法正确的是() A ．汽车鸣笛声是由物体振动产生的 B ．声学探头能识别出鸣笛声是因为鸣笛声与其他声音的音调不同 C ．鸣笛声可以在真空中传播 D ．市区严禁鸣笛是从传播过程中减弱噪声 2．小英在烧开水时，发现电热水壶的壶嘴上方冒“白气”，旁边的镜子变模糊．下列说法正确的是( ) 第2题图 A ．烧水时，壶嘴上方冒“白气”是汽化现象 B ．镜子变模糊是由于水蒸气遇冷液化所致 C ．水沸腾时，持续吸热温度不断升高 D ．水的沸点与气压无关 3.有一种新型智能电子猫眼，按动门铃可以启动微型摄像机摄像，其红外线夜视灯支持夜间摄像，并可以通过无线WiFi 自动将所拍摄的视频、音频传至手机控制端．下列说法正确的是( ) 第3题图 A ．夜视灯发出的红外线遇到障碍物不会发生反射 B ．微型摄像机所成的像是倒立、缩小的实像 C ．微型摄像机的镜头是凹透镜 D ．无线WiFi 信号是一种超声波 4．骑行自行车是一种便捷、健康、环保的出行方式．下列说法正确的是() A ．自行车的车轮直径约2m B ．骑行时自行车头相当于一个费力杠杆 C ．在水平路面匀速直线骑行时，自行车在水平方向受到非平衡力的作用 D ．刹车时用力捏闸是通过增大压力的方式来增大摩擦的 5.小明摇动小型发电机模型的手柄时，小灯泡发光，如图所示．下列说法错误的是() 2020年陕西省初中学业水平考试英语试卷 A卷 第一部分(听力共30分) I.听对话，选答案(共15小题,计20分) 第一节:听下面10段对话，每段对话后有一个问题，读两遍。请根据每段对话的内容和后面 的问题，从所给的三个选项中选出最恰当的一项。(共10小题,计10分) 1. A. Saying hello. B. Saying thanks. C. Saying goodbye.【A】 2. A. An eraser. B. A pen. C. A ruler.【C】 3. A. He has a stomachache. B. He has a headache. C. He has a toothache.【A】 4. A. Japanese. B. French. C. English.【C】 5. A. In a bank. B. At the zoo. C. At a restaurant.【B】 6. A. She’ll take a taxi. B. She’ll go by bus. C. She’ll walk there.【C】 7. A. Go to the cinema. B. Go to the birthday party. C. Go to the supermarket.【B】 8. A. In Germany. B. In China. C. In Japan.【B】 9. A. Lisa. B. Sarah. C. Nancy.【A】 10. A. At 7:50. B. At 8:00. C. At 8: 10.【B】 第二节:听下面两段对话，每段对话后有几道小题，请根据每段对话的内容和后面的问题，从所给的三个选项中选出最恰当的一项。每段对话读两遍。(共5小题,计10分) 听第11段对话，回答第11、12小题。 11. What color shoes does the man want?【A】 A. Black. B. White. C. Brown. 12. How much will the man pay for the shoes?【C】 A.156 yuan. B.160 yuan. C.165 yuan. 听第12段对话，回答第13至15小题。 13. When did the boy start to run? 【B】 A. When he was five years old. B. When he was ten years old. C. When he was fifeen years old. 14. How often did the boy run when he started?【B】 A. Once a week. B. Twice a week. C. Three times a week. 15. How is he now?【A】 英语试卷 第1卷（共65分） 听力部分 I．听对话，选答案（共15小题，计15分） 第一节：听下面10段对话，每段对话后有一个问题，读两遍，请根据每段对话的内容和后面 的问题，从所给的三个选项中选出最恰当的一项。 1. A. By bike. B. On foot. C. By bus. 2. A. 10 dollars. B. 12 dollars. C. 20 dollars. 3. A. She's tall and heavy. B. She's tall and thin. C. She's short and thin. 4. A. Pink. B. Yellow. C. Blue. 5. A. Sunny. B. Rainy. C. Cloudy. 6. A. Father and daughter. B. Mother and son. C. Father and mother. 7. A. In a shop. B. In a park. C. In a hospital. 8. A. A teacher teaches him. B. His grandma teaches him. C. He learns it by himself. 9. A. A football. B. A skateboard. C. A basketball. 10. A. At 7:20. B. At 7:30. C. At 7: 40. 第二节：听下面两段对话，每段对话后有几道小题，请根据每段对话的内容和后面的问题，从所给的三个选项中选出最恰当的一项。每段对话读两遍。 听第11段对话，回答第11、12小题。 11. Who's listening to music? A. Andy. B. Sam. C. Lucy. 12. What music does Sam like? A. Country music. B. Light music. C. Pop music. 听第 12段对话 ,回答第 13至 15小题。 13. What did they do last Friday? A. They climbed the mountains. 2013年陕西省中考化学副题 可能用到的相对原子质量：H-1 C-12 N-14 Na-23 Ca-40 一、选择题 9、以下物质的用途,利用其物理性质的是（） A．氮气填充食品包装袋B．氧气供给呼吸 C．活性炭用于防毒面具D．生石灰作干燥剂 10、化学与生产生活关系密切,下列有关做法错误的是（） A．加人肥皂水，将硬水软化B．食用合格的加碘盐，预防甲状腺疾病C．抽丝点燃，鉴别棉纤维与合成纤维D．禁止烟火、保持通风，防止矿井瓦斯爆炸11、下列图示的实验操作能达到对应目的的是（） 12、分析以下化学反应的微观示意图，判断有关说法正确的是（） A．反应前后各物质均属于氧化物 B．参加反应的两种物质的分子个数比为2:3 C．该反应中各元素的化合价均发生了改变· D．在化学反应中，分子可以再分，原子不可再分 13、下列有关化学知识的应用及化学方程式书写均正确的是（） A．工业上煅烧石灰石制取生石灰：CaCO3△CaO+CO2 B．用稀盐酸除铁锈:FeO+2HCl==FeC12+H2O C．军事上用磷作烟幕弹:4P+5O2点燃2P2O5 D．用稀硫酸除去NaCl中的Na2CO3：Na2CO3+H2SO4==Na2SO4+H2O+CO2↑ 14、推理是一种重要的化学学习方法。下列推理正确的是（） A．N2、O2、CO2气体是由分子构成的，所以气体都是由分子构成的 B．H2、CO、CH4点燃前要验纯，所以可燃性气体点燃前都要验纯 C．H2CO3、H2SO4、HNO3的组成中含氢元素，所以含氢元素的化合物都是酸D．NaCl、Na2SO4、KNO3水溶液显中性，所以盐的水溶液都显中性 15、下面是四个实验相关量的图像，其中对应关系表示正确的是（） 2014年陕西中考物理副题 ―、选择题（共8小题，每小题2分，计16分．每小题只有一个选项是符合题意) 1 、夏季，雨后天空中有大量的小水滴，在太阳 光的照射下常会出现图示的彩色光带，这就是该情 景中的现象，下列说法正确的是 A．小水滴相当于三棱镜，只对光起反射作用 B．太阳光是由红、绿、蓝三种色光混合而成的彩虹的形成是光的色散现象C．彩虹是由光的直线传播形成的 D．音乐会上，各种乐器合奏出一首首旋律优美的乐曲． 2．下列情景应用物理知识解释正确的是( ) A．小提琴的琴声是由琴弦振动产生的 B．通过音调可以辨别出钢琴声与二胡声 C．笛声的响度较大是因为笛管中的空气柱振动频率高 D．音乐厅墙壁上的多孔结构是在声源处减弱声音 3、清晨，山间升起了飘渺的雾，山林在雾中若隐若现．应用物理知识对图中现象的分析正确的是（） A．雾是水蒸气 B．雾的形成是液化现象 C．阳光下雾渐渐消散是升华现象 D．雾在消散过程中要放热 4、对力的认识，下列说法正确的是（） A．只有相互接触的两个物体才能产生力的作用 B．磁体能够吸引铁钉，但铁钉不能吸引磁 C．力是物体对物体的作用 D．物体受到力的作用时一定会发生弹性形变 5、对焦耳定律的理解，下列说法正确的是( ) A．电流做了多少功就有多少电能转化为内能 B．电流通过电阻产生的热量与电流成正比 C．用电器两端的电压越大，产生的热量越多 D．通过电阻的电流越大，产生的热量不一定越多 6、航天员王亚平在“天宫一号”为全国青少年进行了太空授课．对“天宫一号” 中的情景描述和分析，下列说法不正确 ．．．的是（） A．授课过程中，王亚平相对于地球是运动的 B．由于物体质量不变，可以用天平测量物体质量 C．被王亚平拉伸的弹簧具有弹性势能 D．太空授课的画面是通过电磁波传到地面的 7、有一种“背负式”割草机，它由四冲程汽油机带动锯齿刀片转动割草^对汽 油机和割草情景的分析，下列说法不正确的是( ) A．汽油机的四个冲程是指吸气、压缩、做功和排气冲程 B．四冲程汽油机的做功冲程将内能转化为机械能 C．割草时能闻到青草味说明分子在做永不停息的无规则运动 D．．割草时草屑飞舞是因为受到惯性的作用 8、图示的电路中，闭合开关S，在电路各部分正常工作一段时间后，一电流表示 数突然变小，另一电流表示数不变，则电路的故障可能是( ) A．R1断路 B． R1短路 C． R2断路 D． R2短路 五、填空与作图题（共6小题，计19分） 21、（2分）图示的二维码可以存储大量信息，用手机上 的照相机镜头将图像“扫人”手机中就能读取信息．“扫入” 二维码时镜头距二维码的距离二倍的镜头焦距，二 维码经过手机镜头所成的像是。 25、（2分)高压水切割机也叫“水刀”，常用来切割大理石、钢板等坚硬物体．水 在超高压条件下被压缩成高速水射流，通过一个很小的钻石喷嘴，形成高强度的切割 束．选用钻石作为喷嘴的材料是由于钻石的大．若水射流作用在切割面上的面 积为5 × 10-8m2，压力为15N，水射流对切割面的压强为 Pa． 26、（4分）“潜龙一号”是我国自主研制的无人无缆潜水器，下潜深度能达到6000m， 它是利用声呐发出的探测下潜深度的．潜水器在水中的上浮和下沉是通过改 变来实现的;上浮过程中，底部所受水的压强，未露出水面前， 所受的浮力。 27、（3分)人们常用木板搭成一个斜面将重 物运到汽车上．某次搬运中用3m长的木板将 240 N的重物匀速推到1．5m高处，推力F为150N， 该斜面的效率为，物体所受的摩擦力为 N，若要提高该斜面的效 率，可采取的措施是 (写出一条即可）。 28、（4分）图甲所示电路，当滑片由A移动到B的过程中，电流表与电压表对应 的示数变化如图乙所示，则电源电压为 V，滑动变阻器的最大阻值为Ω。 29、（4分）（1）在图-1中，画出圆环所受重力的示意图． （2）有一种新的取暖方式一电热膜供暖，它以纯电阻为发热体（用R表示〉，每 个房间的电热膜各由一个温控器 (用S表示）控制，达到了分户控制和节能的目的．以 两个房间为例，在图-2中完成电路的连接． 六、实验与探究题（共3小题，计19分） 30、（4分）按要求完成填空2011-2017陕西中考物理副题
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