忻州一中2015级高一新生摸底考试试题（卷）
英语试题
. 单项选择(每小题1分，共25分）
)1. After having lunch, she played violin for an hour. )2. ——I wonder if I can use your camera ．
——I don't have ____ ,but my roommate does ．He bought ___ last month ． ．one ；one B ．it ；one C ．it ；it D ．one ；it )3.——Could I borrow your Chinese-English dictionary? ——________ . I'll bring it to you tomorrow.
C. Very well
D. It depends )4. ——The dish is delicious!
——Well, at least it’s ______ the one I cooked yesterday. as good as B. worse than C. as well as D. as bad as )5.——When is Jay’s concert?
——It’ s_____three o’ clock_____the afternoon of July 18th. B.at;on C.on;in D.in;on
)6. You have just read this newspaper. Did you find_______ in it? )7. ----Mark has a project ______, so he is busy with it these days.
----I know. And I hope it will_______ out fine in the future. A. designed, work B. to design, be worked C. designed, be worked D. to design, work )8. ——Do you know_____?
——He is a dentist.
A.where he is from
B.where is he from
C.what does his father do
D.what his father is )9. He _______ for ten years.
A. married
B. has been married
C. got married
D. has married
)10. ——Why are you walking so quickly,Edward?
——There_____a talent show in ten minutes. A.will have B.will be
C.is going to have
D.are going to be
( )11. ——How heavily it is raining!
——What a pity!We have to_____our sports meeting.
A.put off
B.put out
C.put on
D.put up
( )12. Li Ping runs _______ than Ji Fang.
A. more slowlier
B. very much slowly
C. much more slowly
D. very slowly
( )13. I’m waiting for Jack . ________, I will go swimming alone.
A. If he doesn’t come
B. If he won?t come
C. If he will come
D. If he is coming
( )14. ----- Would you like to go hiking with me, Susan?
----- I’d like to, _______ you don?t want to go alone.
A. until
B. before
C. if
D. after
( )15.——Bill, can I get you anything to drink?
——________.
A. You are welcome.
B. No problem.
C. I wouldn’t mind a cup of coffee
D. It doesn’t matter.
( )16. ----I suppose we’ll go to plant trees next week.
----Terrific! Planting trees is a lot of fun. I’d like to ______you.
A. visit
B. join
C. follow
D. meet
( ) 17. ——Did she agree with you?
——No. I said, she didn’t believe me.
A. What
B. Whatever
C. Which
D. That
( ) 18. My grandpa told a good story, but I told a ________ one.
A．good B．better C．best D．worse
( ) 19. The plane left _______ Shanghai ________ a rainy morning.
A. to, in
B. in, on
C. for, on
D. at , in
( )20.Steve Jobs is one of the persons ________ founded(创办） Apple Computer Company.
His death marked the end of an era (时代)．
A．who B．whom C．which D．/
( )21.-----Who’s the man over there?Is it Mr.Black?
——It______be him.He’s much taller.
A.may not
B.can’t
C.will not
D.mustn’t
( )22.——I don’t know where to go this summer vacation.
——Why not_____visiting Huanggang?There are many places of interest there.
A.suggest
B.wonder
C.consider
D.regard
( )23.He has written some short stories, but he is_______known for his plays.
A. the best
B. more
C. better
D. the most
( )24.______ basketball, what other sports do you like?
A. Except
B. Expect
C.Besides
D.Beside
( ) 25.——Do you mind if I smoke here.
——（Cough… cough…）__________.
A .no, not at all B. yes, please
C. yes, I mind
D. you’d better not
二. 完型填空（每小题1分，共15分）
Most parents, I suppose, have had the experience of reading a bedtime story to their children. And they must have 26 how difficult it is to write a 27 children’s book. Either the author has aimed too 28 , so that the children can’t follo w what is in his (or more often, her) story,
29 the story seems to be talking to the readers.
The best children’s books are 30 very difficult nor very simple, and satisfy both the 31 who hears the story and the adult who 32 it. Unfortunately, there are in fact few books like this, 33 the problem of finding the right bedtime story is not 34 to solve. This may be why many of the books regarded as 35 of children’s literature were in fact written for
36 . “Alice in wonderland” is perhaps the most obvious of this.
Children, left for themselves, often 37 the worst possible interest in literature. Just leave a child in a bookshop or a 38 and he will more willingly choose the books written in an imaginative way, or have a look at most children’s comics, full of the stories and jokes which are the objections of teachers and right-thinking parents.
Perha ps we parents should stop 39 to brainwash children int o accepting our taste in literature. After all children and adults are so 40 that we pare nts should not expect that they will enjoy the s ame books. So I suppose we’ll just have to compromise（妥协）over the bedtime story. （）26 A. hoped B. realized C. told D. said
（）27. A. short B. long C. bad D. good
（）28. A. easy B. short C. high D. difficult
（）29. A. and B. but C. or D. so
（）30. A. both B. neither C. either D. very
（）31. A. child B. father C. mother D. teacher
（）32. A. hears B. buys C. understands D. reads
（）33. A. but B. however C. so D. because
（）34. A. hard B. easy C. enough D. fast
（）35. A. articles B.work C. arts D. works
（）36. A. grown-ups B. girls C. boys D. children
（）37. A. become B. show C. find D. add
（）38. A. school B. home C. office D. library
（）39. A. going B. liking C. trying D. preferring
（）40. A. same B. friendly C. different D. common 三．阅读理解
（一）阅读下列短文，然后从每小题A、B、C、D四个选项中选出能回答所提问题或完成所给句子的最佳答案。（每小题2分，共40分）
A
When I drove to work yesterday, I met a traffic jam. As I looked out of my window, a handsome young man was walking on the street. He was walking towards the bridge. There were some homeless men with their cups around there. The young man went to one of them. He brought out some money from his pocket, said a few words to him and put the money into his cup. He continued to walk and then saw another homeless man. He stopped for a minute, said a few words and then gave the man a candy.
And then he saw the next homeless man. He was shivering because of coldness. The young man now stopped for a second and gave his scarf to him. He then said goodbye to him with a big smile and went away in the snow.
At that moment, I was in tears. I gave this young man my best wishes with love and blessings.
41. The story probably happened in __________.
A. spring
B. summer
C. autumn
D. winter
42. How many homeless men did the young man help in this passage?
A. 2.
B.3.
C.4.
D. 5.
43. What did the young man give the homeless men?
A. Some money, his scarf and a candy.
B. His scarf, his coat and some money.
C. A candy, his hat and his coat.
D. His coat, some money and a candy.
44. The man was shaking slightly because of __________.
A. hunger
B. coldness
C. illness
D. worries
45. The writer felt __________ afte r seeing the young man’s behavior.
A. sad
B. surprised
C. impressed
D. interested
B
Mars is the planet most like Earth. Flying to Mars is a difficult task for humans.
There is an experiment with the name “Mars 500” in Russia. S ix volunteers take part in the experiment. They come from China, Russia, France and Italy. They won’t go to outer space. They will stay in small modules (太空舱) on the ground for 520 days. It’s just like a real journey In the modules, they will experience a lot: flying to Mars, flying back and working on Mars. During the long “journey”, the volunteers can only eat space food. They can shower every 10 days. They can call their friends or families. Anyone of them can quit if he doesn’t feel well. This experiment helps scientists know how well humans will be on a long journey to Mars.
Wangyue, 26, from China, is the youngest of the volunteers. He is a teacher at the China Astronaut Research and Training Center (中国航天员科研训练中心) in Beijing.
( )46. Where are these volunteers from?
A. They are from China and Russia.
B. They are from France and Italy
C. They are from China and France.
D. Both A and B.
( )47. Which of the statement is Not True?
A. The volunteers are not going to move to outer space.
B .The volunteers will stay on the Mars for more than 17 months.
C. The volunteers can make video calls to their friends and families
D. The name of the experiment is “Mars 500”.
( )48. How often can the volunteers take a shower?
A. three times a month
B. three times a day
C. ten days a month
D. ten times a month
( )49. what’s the meaning of the underlined word “quit”?
A.放弃
B.丢弃
C. 尝试
D.试验
( )50. Where can you read the article?
A. story book
B. geography magazines
C. science magazines
D. magazines about ET
C
In 1826, a Frenchman named Niepce needed pictures for his business .But he was not a good artist. So he invented a very s imple camera (照相机). He put it in a window of his house and took a picture of his garden. That was the first photo.
The next important date in the history of photography (摄影术) was in 1837. That year, Daguerre, another Frenchman ,took a picture of his reading room. He used a new kind of camera in a different way. In his picture you could see everything very clearly ,even the smallest thing. This kind of photo was called a Daguerreotype.
Soon, other people began to use Daguerre’s way. Travelers brought back wonderful photos from all around the world. People took picture of famous buildings, cities and mountains.
In about 1840, photography was developed .Then photographers could take picture of people and moving things .That was not simple .The photographers had to carry a lot of film and other machines. But this did not stop them ,for example, some in the United States worked so hard.
Mathew Brady was a famous American photographers. He took many picture of great
people .The picture were unusual because they were very lifelike(栩栩如生的).
Photographers also became one kind of art by the end of the 19th century .Some photos were nor just copies of the real world .They showed and feelings,like other kinds of art.
( )51. The first photo taken by Niepce was a picture of ____________
A. his business
B. his house
C. his garden
D. his window
( )52. The Daguerrotype was____________.
A. a Frenchman
B. a kind of picture
C. a kind of camera
D. a photographer
( )53. If a photographer wanted to take pictures of moving things in the year of 1840, he had to__________.
A. watch lots of films
B. buy an expensive camera
C. stop in most cities
D. take many films and something else with him.
( )54. Mathew Brady______________.
A. was very lifelike
B. was famous for his unusual pictures
C. was quite strong
D. took many pictures of moving people
( )55．This passage tells us_____________.
A. how photography was developed
B. how to show your ideas and feelings in pictures
C. how to take pictures in the world
D. how to use different cameras
D
We all waste food, you and me, every day, millions of tons of it. In China, enough food is wasted in restaurants every year to feed 200 million people. And the amount of food wasted by Chinese consumers is increasing fast. So our nation is being encouraged to stop wasting food.
So what should Chinese consumers do to prevent food waste?
? Keep a kitchen diary
All of us should keep a kitchen diary, and we can know that how much food we waste at home. The first thing for us to do is to stop throwing away food that we can still eat. We should eat everything we buy and if we cannot, we should buy less.
? Buy only what we need
We should ask for smaller portions in stores. We should also check how much food we have before buying more. We shouldn’t bring much food we don’t need home even if large posters ask us to do so.
? Develop the habit of packing food
Chinese consumers are generous and friendly. In restaurants, often too much food is ordered and served. So when ordering out, we are supposed to exclude the food in the order if we don’t plan to eat it. And order smaller servings in restaurants and take home what we cannot finish.
Don’t put it off! Let’s stop food waste today!
( )56. Why is our nation being encouraged to stop wasting food?
A. Because there’s enough food for Chinese people.
B. Because Chinese consumers like to try delicious food.
C. Because the number of food wasted by us is growing fast.
D. Because it’s traditional to invite friends to dinner in China.
( )57. Miss Li is a housewife, she’d better __________ at home.
A. keep a kitchen diary
B. buy things as much as possible
C. cook too much food for her family
D. keep the food as long as possible
( )58. In order to urge more and more people to prevent food waste, we d esign a poster with the words __________.
A. Enjoy the food!
B. Keep healthy!
C. Share the dish!
D. Waste not, want not!
( )59. Your friend invites you to dinner, which of the following is NOT right?
A. He asks for the right portions.
B. You leave a lot of food on the table.
C. You ask your friend to order less food.
D. He takes away the food that you can still eat.
( )60. As teenagers, what should we do to stop food waste?
A. Have a balanced diet.
B. Eat less food to keep fit.
C. Keep the balance of nature.
D. Have a good habit of clearing the plate.
四．补全对话（每小题1分，共5分）
A: Long time no see, Devon. I’ve been putting on a few pounds and you’re quite a thin fit guy. B: 61__________________________________
A: What do you recommend ? 62____________________
B: Well. I exercise a lot. I go running at least three times a week.63_______________________ Diff erent sports use different muscles and all of them help to lose the weight that you might have gained.
A: Yeah, well, actually, one of the problems is that I exercise a lot.
B: Do you ?
A: Yeah.64_____________________________
B: it could be. 65________________ No potato chips. No popcorn. No candy.
五．阅读理解（二）阅读下文，并回答所提出的问题。（每小题2分，共10分）
Internet is educational . Many people think children should be allowed to surf the Internet as they wish . In this way ,they can look through different subjects on different kinds of websites according to their own interest . But in my opinion ,children should always be watched while surfing the Internet .
Many websites have information and pictures that children should not see .There are many things that children don’t understand .All of these may have some bad influence on children’s development . Also , it is dangerous to let children use chat rooms by themselves. Many parents tell their children not to talk to strangers on the street , so they should be careful of whom their children talk to on the internet,too . What’s more , sitting in the front of a computer for a long time isn't good for children’s eyes , so parents should monitor(监视) the time that children spend on the internet .
In a word ,children should be kept away anything that could be bad for them . I strongly believe that it is necessary for parents to watch their children when they use the Internet .
66 .Is the Internet educational all the time ?
___________________________________
67 . What do the parents tell children to do when they meet strangers on the street ?
_________________________________________________________________________
68 .Why shouldn’t children sit in front of a computer for a long time ?
__________________________________________________________________________
69 .Who can help children stay away from the bad influence on the Internet ?
__________________________________________________________________________
70 . What does the writer want to tell us in the passage ?________________________________
Think about two people you kn ow. How would you describe their personalities? Are they the
71 ?Of course not! Everyone is different. Even identical twins have different personalities.
Some people are very outing and friendly. They like to be 72 other people all the time. Maybe they like to be the centre of attention. And some people are quiet—maybe even 73 . They can
be friendly, too. But they like to be alone or with just a 74 friends.
Some people worry a lot. They may worry about many things, such as their jobs, their families an d anything that may happen in the future. 75 ,some people don't worry about anything! They 76 mind what is going on next. These people are very relaxed.
Some people are hard-working. They always do their 77 . But some people are lazy. They don't c are about 78 things right or getting things done on times. Hard-working people always get more ch ances than those lazy 79 in life.
And don't 80 this: Everyone is different. That means you are special!
七、书面表达（15分）
为了规范管理，你们学校要求学生中午就餐时排队走入餐厅，吃饭时不能讲话。一部分学生赞成学校的做法，另一部分学生不赞成学校的做法，请你根据表格信息完成一篇80词
要求：1. 表格信息仅供参考，也可自由发挥；
2．表明自己的观点，赞成还是反对，说明至少一个原因；
3. 80词以上，不能超过100词。
In our school, we must walk in line to the dining hall to have lunch. During the lunch time, we can’t talk with each other.
________________________________________________________________________________ ________________________________________________________________________________ ____________________________________________________________________
高一摸底考试英语试题答案
一．单项选择
1——5DDAAB 6——10BBDBB 11——15ACACC 16——20BBBCA
21——25BCACD
二．完型26-30 BDCCB 31-35 ADCBD 36-40 ABDCC
三．阅读（一）41-45DBABC 46-50DCAAC 51-55 CBDBA 56-60CADBD
四．补全对话61-65 AFGED
五．任务型阅读
66. No , it isn’t .
67. Parents/They tell children not to talk to strangers/them ( on the street ) ./ Not to talk to strangers / them (on the street ) .
68. Because it is bad /not good for children’s/ their eyes .
69. Their parents /Parents (can help children stay from the bad influence on the Internet ).
70. The writer wants tells us (that) children should always be watched while surfing the Internet . / (Children should always be watched while surfing the Internet . /The writer wants to tell us (that) it is necessary for parents to watch their children when they use the Internet . / It is necessary for parents to watch their children when they use the Internet .
六．词语运用
71. same 72. with 73. shy 74. few 75. However 76. never 77. best
78. doing 79. ones 80. forget
七. 书面表达略
长沙市一中2016年高一新生分班考试 数学试卷 时间：120分钟 满分：120分 一、选择题（本大题共10个小题，每小题3分，共30分，在每小题给出的四个选项中，只有一项符合题目要求） 1. 2016-的值是（ ） A. 20161 B. 2016 1- C. 2016 D. 2016- 2. 如图是由若干个同样大小的立方体搭成的几何体的俯视图，小正方形中的数字表示该位置立方体的个数，则这个几何体的主视图是（ ） A. B. C. D. 3. 计算2)3(a --的结果是（ ） A. 29a - B. 29a C. 26a - D. 26a 4. 湖南省在4月9，10，11日三天进行了全省规模的中考适应性测试，小明所在小组的六位同学的数学成绩是88，112，108，112，112，118，则这组数据的中位数和众数分别是（ ） A. 108，112 B. 110，112 C. 112，112 D. 102，112 5. 将分式方程1 3)1(251+=+--x x x x 去分母，整理后得（ ） A. 018=+x B. 038=-x C. 0272=+-x x D. 0272=--x x 6. 如图，在ABC ?中，D 是BC 延长线上一点，?=∠40B ，?=∠120ACD ，则A ∠等于（ ） A. 60° B. 70° C. 80° D. 90° 7. 某公司准备与汽车租赁公司签订租车合同，以每月用车路程x km 计算，甲汽车租赁公司每月收取的租赁费为1y 元，乙汽车租赁公司每月收取的租赁费为2y 元，若1y ，2y 与x 之间的函数关系如图所示，其中0=x 对应的函数值为月固定租赁费，则下列判断错误的是（ ） A. 当月用车路程为2000km 时，两家汽车租赁公司租赁费用相同 B. 当月用车路程为2300km 时，去乙汽车租赁公司租赁比较合算
兴宁一中高二数学中段考试题（理科）20XX.11 注意：本试卷共4页,20小题,满分150分.考试时间120分钟. 必须将正确答案填写在答题卡规定的地方 一、选择题：（本大题共8小题,每小题5分,共40分,在每小题给出的四个选项中, 只有一项是符合题目要求的） 1. 已知集合{} (,)2 M x y x y =+=，{} (,)4 N x y x y =-=，那么集合M N为( ) A. 3,1 x y ==- B. (3,1) - 2. 如图，直线 1 l、 2 l、 3 l的斜率分 别是 1 k、 2 k、 3 k，则（） A. 1 k＜ 2 k＜ 3 k B. 3 k＜ 2 k＜ 1 k C. 2 k＜ 3 k＜ 1 k D. 1 k＜ 3 k＜ 2 k 3.已知直线0 6 2= + +y ax与直线0 1 )1 (2= - + - +a y a x平行，则实数a的值是（） A．2 1或 - B．1 0或 C．1 - D．2 4．如图Rt O A B ''' ?是一个水平放置的三角形的斜二测直 观图，斜边2 O B''=，则这个三角形的面积是（） A．22 B．1C．2D． 2 2 5．下列几何体中，正视图、侧视图、俯视图都相同的几何体的序号是（） A.（1）（2） B.（2）（3） C.(3)(4) D.(1)(4) 2 l 3 l y x o y 1 l
6．设A 、B 、C 、D 是空间四个不同的点，在下列命题中，不正确的是（ ） A.若AC 与BD 共面，则AD 与BC 共面 B ．若A C 与B D 是异面直线，则AD 与BC 是异面直线 C ．若AB=AC ，DB=DC ，则AD=BC D ．若AB=AC ，DB=DC ，则AD ⊥BC 7．表面积是6a 的正方体的八个顶点都在同一个球面上，则这个球的表面积是（ ） A ．2a π B ．3a π C ．12a π D ．18a π 8．若直线1:=+by ax l 与圆C ：12 2=+y x 有两个不同交点，则点),(b a P 与 圆C 的位置关系是（ ） A.点P 在圆上 B.点P 在圆内 C.点P 在圆外 D.不能确定 二．填空题：（本大题共6小题，每小题5分，满分30分） 9．过点A(1,2)且与原点距离最大的直线方程是 ． 10．直线l 过原点且平分平行四边形ABCD 的面积，若平行四边形的两个顶点 为(1,4),(5,0)B D ，则直线l 的方程为________________ 11．对于任意实数k ，直线(32)20k x ky +--=与圆222220x y x y +---=的 位置关系是_______________ 12.已知两条相交直线a ，b ，a ∥平面α，则b 与α的位置关系是 ． 13．已知两条不同直线m 、l ，两个不同平面α、β，给出下列命题： ①若l 垂直于α内的两条相交直线，则l ⊥α； ②若l ∥α，则l 平行于α内的所有直线； ③若m ?α，l ?β且l ⊥m ，则α⊥β； ④若l ?β，α⊥l ，则α⊥β； ⑤若m ?α，l ?β且α∥β，则m ∥l ． 其中正确命题的序号是 ．（把你认为正确命题的序号都填上）
?长沙市一中2007年高考语文模拟试卷（一） ?命题人：长沙市一中徐国鸿 一、语言知识及运用（15分，每小题3分） 1．下列句子中加点字的读音不正确的一项是（ B ） A．长沙市一中编写校本教材的工作做得非常严谨细致，参考的一些古代典籍都是权威出版社出的校本。（jiào） B．劈叉是各类舞蹈中最基本的动作，很见身体的柔韧性，一般来说，都要采取循序渐进的训练方式。（pī） C．伊朗代表应大会要求表示，核问题可以谈判，但如果以制裁或武力相要挟，伊朗决不放弃核计划。（yāo） D．亲戚是越走越亲，亲家之间要常走动，两家人亲如一家，儿女们的关系自然也会愈发和谐甜蜜。（qìnɡ） 【解析】“劈”应读“pǐ”。 2．下列句子没有错别字的一组是（ A ） A．工业品的设计精细，其实只是日本国民性格的一个折射，推崇极度的精致反映在日本社会的方方面面。 B．在我的花园，我每次抬头都能看见忙着筑巢的鸟儿衔着细枝飞过，因为它们感知道盛夏会在转瞬间来临。 C．有专家认为，美国的汉语热在很大程度上是政府自上而下推动的结果，不要过渡期待美国人学中文的热情。 D．现在基本上人人都可以写书，花点钱找个出版社出本书已经成为普遍现象。这些书中充斥着无聊与陷井。 【解析】B．感知道——感知到；C．过渡——过度；D．陷井——陷阱 3．下列各句中加点的词语使用恰当的一句是（ A ） A．刚过去的两周，娃哈哈和达能的商业纠纷成了经济界的热门话题，双方极有可能通过对簿公堂来解决纠纷。 B．他做什么事情都喜欢拖拖拉拉，这次同学聚会，大伙早早地就来了，单等他一个人，真是个不速之客。 C．2008年北京奥运会很快就要到来，我们一定要充分利用各种国际场合大吹大擂，加大宣传推广的力度。 D．他虽无惊天动地之举，但倾其所有，肝胆相照，将大半生年华抛洒在了且末这片他立誓扎根的绿洲上。 【解析】A．对簿公堂：在公堂上根据诉状核对事实。旧指在官府受审；今指原告和被告在法庭上对质打官司。B．不速之客：不请自来的客人（“速”在此词中是“邀请”的意思，不是“迅速”。）C．大吹大擂：形容大肆宣扬吹嘘。含贬义，用在此于语境不合。D．肝胆相照：比喻彼此能以真心相待。此处应为“披肝沥胆（剖开心腹，滴出胆汁。形容真诚相见或竭尽忠诚）”。两者皆有“坦诚”之意，前者用于同志、朋友或组织之间真心相见，后者用于表示个人对集体、国家的忠诚。 4．下列各句中没有语病的一句是（ A ） A．节俭意识与忧患意识、公仆意识相互联系、相互贯通、相互促进，是有机统一的整体。B．对需急诊抢救的患者要坚持先抢救、后缴费，坚决杜绝见死不救等 违规违法行为。 C．尽管有人对自主招生中的一些细节和技术性问题提出，但人们更加关心公平性问题。
2 b a n 天津一中 2019-2020-1 高二年级数学学科期中模块质量调查试卷 本试卷分为第I 卷（选择题）、第 II 卷（非选择题）两部分，共 100 分，考试用时 90 分钟。第I 卷 第 1 页，第 II 卷 第 2 页。考生务必将答案涂写规定的位置上，答在试卷上的无效。 一、选择题：(每小题 3 分,共 30 分） 1. 已知等差数列前 3 项和为 34，后 3 项和为 146，所有项和为 390，则这个数列的项数为 A ．13 B ．12 C ．11 D ．10 2. 已知等比数列{a n }中,a 2+a 3=1,a 4+a 5=2,则 a 6+a 7 等于 A ．2 B ．2 C ．4 D ．4 3. 已知数列{a n }满足 a n+1=ka n -1(n∈N *，k∈R *)，若数列{a n -1}是等比数列，则 k 值等于A ．1 B ．-1 C ．-2 D ．2 4. 已知数列{a n }满足 a 1=-1，a n+1=|a n -1|+2a n +1，其前 n 项和S n ，则下列说法正确的个数是 ①数列{a n }是等差数列; ②a n =3n-2; ③S = 3n -1 - 3 . 2 A ．0 B ．1 C ．2 D ．3 5．已知a=20190.2，b=0.22019，c=log 20190.2，则 A. c>a>b B ．b>a>c C ．a>b>c D ．a>c>b 6．若 a 长沙市一中高一下学期英语期终考试试卷 Part ONE LISTENING COMPREHENSION (20 points) SECTION A Directions: In this section, you’ll hear 6 conversations between 2 speakers. For each conversation, there are several questions and each question is followed by 3 choices. Listen to the conversations carefully and then answer the questions by marking the corresponding letter (A, B or C) on the question booklet. You will hear each conversation Twice. Conversation 1 1.When will the program Traveler begin? A.At 9 o’clock. B.At 8 o’clock. C.At 2 o’clock. 2.What will the man do at two o’clock tomorrow morning? A.Sleep. B.Watch TV. C.Go to the sport stadium to watch a football match. Conversation 2 3.Where does the conversation most probably take place? A.In the bedroom. B.In an office. C.In the street. 4.What does the man suggest the woman? A. Bring her some breakfast. B. Give her some medicine. C. Have a rest and drink more water. Conversation 3 2017-2018学年 一、选择题：（本题包括13小题，每小题4分，共52分，其中11~13三个小题，每小题给出的四个选项中，有多个选项正确，全部选对的得4分，选对但不全的2分，有选错的得0分） 1、下列说法符合史实的是 A 、牛顿发现了行星的运动规律 B 、开普勒发现了万有引力定律 C 、卡文迪许第一次在实验室里测出了万有引力常量 D 、牛顿发现了海王星和冥王星 2、真空中两个完全相同的金属小球，分别带有+3Q 和-Q 的电量，当它们相距r 时，它们之间的库仑力是F ，若把它们接触后分开，再置于相距 3r 的两端，则它们的库仑力的大小为 A 、3 F B 、F C 、9F D 、3F 3、如图所示的皮带传动装置中，皮带与轮之间不打滑，两轮半径分别为R 和r ，且R=3r ，A 、B 分别为两轮边缘上的点，则皮带运动过程中，关于A 、B 两点下列说法正确的是 A 、向心加速度之比:1:3A B a a = B 、角速度之比:3:1A B ωω= C 、线速度大小之比:1:3A B v v = D 、在相同的时间内通过的路程之比:3:1A B s s = 4、如图所示，倾角为θ的斜面长为L ，在顶端水平抛出一小球，小球刚好落在斜面的底端，那么，小球初速度0v 的大小为 A 、cos 、cos C 、sin 、sin 5、如图所示，竖直放置的两端封闭的玻璃管中注满清水，内有一个红蜡块能在水中匀速上浮，在红蜡块从玻璃管的下端以速度v 匀速上浮的同时，使玻璃管水平向右以速度'v 匀速运动，红蜡块由管口上升到顶端， 所需时间为t，相对地面通过的路程为L，则下列说法正确的是 A、v增大时，t增大 B、v增大时，t不变 C、v增大时，L增大 D、v增大时，L减小 6、我国载人飞船“神舟七号”的顺利飞天，极大地振奋了民族精神，神七在轨道飞行过程中，宇航员翟志刚跨出飞船，实现了“太空行走”，当他出舱后相对于飞船静止不动时，以下说法正确的是 A、他处于平衡状态 B、他不受任何力的作用 C、他的加速度不为零 D、他的加速度恒定不变 7、关于圆周运动，以下说法正确的是 A、做匀速圆周运动的物体，所受各力的合力一定是向心力 B、做匀速圆周运动的物体除了受到其他物体的作用，还受到一个向心力 C、物体做离心运动时，是因为它受到了离心力的作用 D、汽车转弯时速度过小，会因离心运动造成交通事故 8、如图所示，滑块A和B叠放在固定的斜面体上，从静止开始以相同的加速度一起沿斜面加速下滑，已知B与斜面体间光滑接触，则在AB下滑的过程中，下列说法正确的是 A、B对A的支持力不做功 B、B对A的作用力做负功 C、B对A的摩擦力做正功 D、B、A的重力做功的平均功率相同 9、一半的曲线运动可以分成很多小段，每小段都可以看成圆周运动的一部分，即把整条曲线用一系列不同半径的小圆弧来替代，如图甲所示，曲线上的A点的曲率圆定义为：通过A点和曲线上紧邻A点两侧的两点作一圆，在极限情况下，这个圆叫做A点的曲率圆，其半径ρ叫做A点的曲率半径，现将一物体沿水平方向抛出，落地时速度v与水平面成α角，如图乙所示，则在其轨迹最高点P处的曲率半径是 2019-2020学年广东省中山一中高二（上）第一次段考物理试试卷 一、单选题（本大题共8小题，共32.0分） 1.如图，有一正方体空间ABCDEFGH，则下面说法正确的是() A. 若只在A点放置一正点电荷，则电势差U BC A. 通过R中的电流方向向右，P向下运动 B. 通过R中的电流方向向右，P向上运动 C. 通过R中的电流方向向左，P向上运动 D. 通过R中的电流方向向左，P向下运动 6.如图3为真空中两点电荷A、B形成的电场中的一簇电场线，已知该电场线关于虚线对称，O点 为A、B电荷连线的中点，a、b为其连线的中垂线上关于O点对称的两点，则下列说法正确的是() 图3 A. A、B可能带等量异号的正、负电荷 B. A、B可能带不等量的正电荷 C. a、b两点处无电场线，故其电场强度可能为零 D. 同一试探电荷在a、b两点处所受电场力大小相等，方向一定相反 7.如图所示，a、b、c、d是某匀强电场中的四个点，它们正好是一个矩形 的四个顶点，ab=cd=L，ad=bc=2L，电场线与矩形所在平面平行， 已知a、b、d点的电势分别为20V、24V和12V，一个质子以速度V0经 过b点，速度方向与bc成45°角，经过一段时间质子恰好经过c点，不 计质子的重力，则() A. a点的电势低于c点的电势 B. 场强方向由b指向d C. 质子从b点运动到c点，电场力做功8eV D. 质子从b点运动到c点，电场力做功10eV 8.如图所示，完全相同的金属小球A和B带等量异种电荷，中间连接着一个轻质弹簧(绝缘)，放 在光滑绝缘水平面上，平衡时弹簧的压缩量为x0.现将不带电的与A、B完全相同的金属球C与A接触一下，然后拿走，重新平衡后弹簧的压缩量为x，则() A. x=1 2x0 B. x>1 2 x0 C. x<1 2 x0 D. x=x0 2018-2019年最新长沙市一中自主招生 语文模拟精品试卷 （第一套） （满分：100分考试时间：90分钟） 一、语文基础知识（18分，每小题3分） 1．下列词语中加点的字，读音全都正确的一组是（）A．连累(lěi) 角(jué)色河间相(xiàng) 冠冕(miǎn)堂皇B专横(hèng) 忖(cǔn)度涮(shuàn) 羊肉妄加揣(chuāi)测 C．笑靥(yè) 顷(qīng)刻汗涔(cén)涔休戚(qì)相关 D慨叹(kǎi) 俨(yǎn)然刽子手(kuàì) 刎(wěn)颈之交 2、下列各项中字形全对的是（） A、橘子州偌大急躁光阴荏苒 B、蒙敝犄角慰籍书生意气 C、敷衍磕绊笔竿艰难跋涉 D、翱翔斑斓屏蔽自怨自艾 3、依次填入下列各句横线上的词语，最恰当 ．．的一项是（） ⑴虽然他尽了最大的努力，还是没能住对方凌厉的攻势，痛失奖杯。 ⑵那些见利忘义，损人利己的人，不仅为正人君子所，还很可能滑向犯罪的深渊。 ⑶我认为，真正的阅读有灵魂的参与，它是一种个人化的精神行为。 A.遏制不耻必需 B.遏止不耻 必需 C.遏制不齿必须 D.遏止不齿 必须 4、下列句中加点的成语，使用恰当的一句是（） A、故宫博物院的珍宝馆里，陈列着各种奇珍异宝、古玩文物，令人应接不暇。 B、任何研究工作都必须从积累资料做起，如果不掌握第一手资料，研究工作只能是空中楼阁 ．．．．。 C、电影中几处看来是闲笔，实际上却是独树一帜之处。 D、这部精彩的电视剧播出时，几乎万人空巷，人们在家里守着荧屏，街上显得静悄悄的。 5、下列句子中，没有语病的一项是（） A 大学毕业选择工作那年，我瞒着父母和姑姑毅然去了西藏支援边疆教育。 B北京奥运会火炬接力的主题是“和谐之旅”，它向世界表达了中国人民对内致力于构建和谐社会，对外努力建设和平繁荣的美好世界。 C他不仅是社会的一员，同时还是宇宙的一员。他是社会组织的公民，同时还是孟子所说的“天民”。 D科学家们推测，65000万年前，一颗小行星撞击地球后，引起了一次强力爆炸，形成了一个170公里大小的陨石坑。 6．下面一组句子排列顺序恰当的一项是（） ①破晓或入暮，山上只有一片微光，一片柔静，一片宁谧。②山是不动的，那是光线加强了，是早晨来到了山中。 ③小屋在山的怀抱中，犹如在花蕊中一般，慢慢地花蕊绽开了一些，好像山后退了一些。④当花瓣微微收拢，那就是夜晚来临了。 ⑤小屋的光线既富于科学的时间性，也富于浪漫的文学性。 A．①③②④⑤B．①④③②⑤ C．⑤③② ①④D．⑤③②④① 二、阅读下面古诗文，完成7—14题。（24分，7—12每题2分） 勾践自会稽归七年，拊循其士民，欲用以报吴。大夫逄同谏曰：“今夫吴兵加齐、晋，怨深于楚﹑越，名高天下，实害周室，德少而功多，必淫自矜。为越计，莫若结齐，亲楚，附晋，以厚吴。吴之志广，必轻战。是我连其权，三国伐之，越承其弊，可克．也。”勾践曰：“善。” 其后四年。吴士民罢弊，轻锐尽死于齐﹑晋。而越大破吴，因而留围之三年，吴师败，越遂复栖．吴王于姑苏之山。吴王使公孙雄肉袒膝行而前，请成越王曰：“孤臣夫差敢布腹心，异日尝得罪于会稽， 20XX-2021年湖南省长沙市一中高三第二次月考 化学试卷 可能用到的相对原子质量：H：1 C：12 N：14 O：16 Na：23 S：32Cl：35．5 K：39 Ca：40Mn：55 Cu：64 Al：27 第Ⅰ卷（选择题，共54分） 选择题（每小题只有一个正确答案。每小题3分）：（） 1．关于Na2CO3溶液和NaHCO3溶液，下列说法正确的是 A．用加热的方法区别两种溶液B．用澄清的石灰水区别两种溶液 C．浓度相同时，Na2CO3溶液的pH大 D．浓度相同时，两溶液的pH相等 2．下列关于氧化还原反应说法正确的是（） A．肯定有一种元素被氧化，另一种元素被还原 B．某元素从化合态变成游离态，该元素一定被还原 C．在反应中不一定所有元素的化合价都发生变化 D．在氧化还原反应中非金属单质一定是氧化剂 3．在5NH4NO3=2HNO3+4N2+9H2O的反应中，发生氧化反应的氮原子与发生还原反应的氮原子的个数之比是（） A．5：8 B．5：4 C．5：3 D．3：5 4．在一定温度下，向饱和的烧碱溶液中加入一定量的Na2O2，充分反应后，恢复到原来的温度，下列说法中正确的是 A．溶液的pH不变，有H2放出B．溶液的pH值增大，有O2放出 C．溶液中c（Na+）增大，有O2放出D．溶液中Na+数目减少，有O2放出 5．下列反应的离子方程式中正确的是（） A．偏铝酸钠溶液中加入过量盐酸：H+ + AlO2- + H2O === Al（OH）3↓ B．铁和稀硫酸反应：2Fe+6H+=2Fe3++3H2↑ C．向氯化铝溶液中加入过量的氨水：Al3++3NH3·H2O=A l（O H）3↓+3NH4+ D．铜片插入硝酸银溶液中：Cu＋Ag＋=== Cu2＋＋Ag 6．下列各组离子中，在溶液中能够大量共存的一组是（） 长沙市一中2018届高三月考试卷(七) 英语 第一部分听力（共两节，满分30分） 做题时，先将答案标在试卷上。录音内容结朿后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。 第一节（共5小题;每小题！ 5分，满分7. 5分） 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选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 例：How much is the shirt? A. ￡ 19.15. B. ￡ 9.18. C. ￡ 9.15. 答案是C。 1. When will the military parade in Beijing start? A. In 15 minutes. B. In 20 minutes. C. In half an hour. 2 . What will the woman do this afternoon? A. Drop in on her sister. B . Go to Wang Anshi Museum . C . Help with her sister 5s study . 3 . What are the two speakers mainly talking about? A. The man’s Apple watch. B . The man’s brother . C . The man’s birthday . 4.What was the weather like in Australia then? A. Rainy. B. Nice. C. Terrible. 5 . Where does the conversation take place? A . At a bank . B . In a police office . C . Ata market . 第二节（共15小题;每小题1.5分，满分22.5分） 听下面5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选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟;听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听第6段材料，回答第6、7题。 6 . How does the man feel? A. Nervous. B. Upset. C. Sick. 7. What’s wrong with the man? A. He had a car accident. B . He was knocked down by a car . C . He had an accident when walking on the street. 听第6段材料，回答第8、9题。 8. What’s the man’s favorite fruit? A. Apples. B. Peaches. C Bananas 9 . When were peach trees first planted in China? A . About 750 years ago . B . About 5,700 years ago . C . About 7,500 years ago . 10. What’s wrong with the man’s camera? A. It’s missing. B. It’s out of date. C. It’s broken. 长沙市一中2012届高三月考试卷 生物 一、选择题（1—30题每题1分，31—40题每题2分，共50分） 1．研究表明：引起世界恐慌的“非典型肺炎”的病原体（SARS病毒）是一种冠状病毒。下列有关该病毒的叙述，正确的是 A．SARS病毒体内仅含有A、T、C、G四种碱基 B．SARS病毒属于原核细胞构成的生物 C．SARS病毒能在人工配制的培养基上生长增殖 D．SARS病毒进入人体后，人体能产生特异性抗体 2．下列四组生物中，细胞结构最相似的是 A．变形虫、水绵、香菇B．烟草、草履虫、大肠杆菌 C．小麦、番茄、大豆D．酵母菌、青蛙、豌豆 3．下列各种物质的元素组成差异最小的一组是 A．脂肪酸、氨基酸、核苷酸B．脱氧核糖、淀粉、纤维素 C．ATP、DNA、IAA D．血红蛋白、磷脂、叶绿素 4．关于下列四种化合物的化学组成的叙述，正确的是 A．①是腺嘌呤；①与④相同B．②是腺苷；①比②多了脱氧核糖 C．③是腺嘌呤核糖核苷酸；③与④相同D．④是腺嘌呤；①比④多了核糖 5 A C．生命活动处于极微弱状态的休眠种也不能没有水D．代谢越旺盛的生物或器官含水量越多6．有一对氢键连接的脱氧核苷酸，已查明它的结构有1个鸟嘌呤，则它的其他组成应是A．2个磷酸、3个脱氧核糖和1个胞腺嘧啶B．2个磷酸、2个脱氧核糖和1个胞嘧啶 C．2个磷酸、2个脱氧核糖和1个胸腺嘧啶D．2个磷酸、2个脱氧核糖和1个尿嘧啶 7．细胞内的某些代谢过程可以产生水。请判断下列生理过程中能产生水的是 ①合成抗体②淀粉消化成麦芽糖③人体骨骼肌进行无氧呼吸④DNA转录为mRNA ⑤叶肉细 胞的光合作用 A．①②③B．③②⑤C．①④⑤D．①②③④⑤8．李斯特氏菌的致死食源性细菌会在人类的细胞之间快速传递，使人患脑膜炎。其原因是该菌的一种InIC的蛋白可通过阻碍人类细胞中的Tuba蛋白的活性，使细胞膜更易变形而有利于细菌的转移。 下列叙述正确的是 A．与乳酸菌一样，该菌的遗传物质主要是DNA B．该菌使人类细胞发生变形，说明细胞膜具有选择透过性 C．该菌进人人体细胞的方式是需要消耗能量的胞吞作用 D．Tuba蛋白和InIC蛋白的合成均需要内质网的加工 福建省厦门第一中学2017—2018学年度 2016级高二上期中考数学 高二年理科数学试卷 题 目 卷 命题教师： 汤锦德 审核教师：肖文辉 2017.11 满分为150分，考试时间120分钟． 一、选择题：本大题共12个小题，每小题5分，共60分．在每小题给出的四个选项 中，只有一项是符合题目要求的．在答题卷上的相应题目的答题区域内作答． 1．如果0a b <<，那么下列各式一定成立的是 （ ） A ．0>-b a B ．bc ac < C ．22b a > D ．b a 1 1< 2．已知命题p ：“若ab ＝1，则a ＋b ≥2”，则下列说法正确的是 ( ) A ．命题p 的逆命题是“若ab ≠1，则a ＋b <2” B ．命题p 的逆命题是“若a ＋b <2，则ab ≠1” C ．命题p 的否命题是“若ab ≠1，则a ＋b <2” D ．命题p 的否命题是“若a ＋b ≥2，则ab ＝1” 3.已知数列{}n a 满足：11112 n n a a ++=+，且22a =，则4a 等于 （ ） A. B. 11 C. 12 D. 23 4. {}n a 是公差不为0的等差数列，满足2222 4567a a a a +=+，则该数列的前10项和10S =（ ） A.-10 B. -5 C. 0 D. 5 5. 如图，一艘船自西向东匀速航行，上午10时到达一座灯塔P 的南偏西75°距塔68海里的M 处，下午2时到达这座灯塔的东南方向的N 处，则这艘船航行的速度为 ( ) A.1762海里/时 B ．346海里/时 C. 172 2 海里/时 D ．342海里/时 6. ABC ?的内角A 、B 、C 的对边分别为.,,c b a 若c b a ,,成等比数列，且c=2a ，则cosB=（ ） A. 41 B.4 3 C.42 D.32 7.已知命题p ：x 2 ＋2x －3>0；命题q ：x >a ，且?q 的一个充分不必要条件是?p ，则a 的取值范 围是 ( ) A ．[1，＋∞) B ．(－∞，1] C ．[－1，＋∞) D ．(－∞，－3] 8．已知函数f (x )＝x 2 ＋mx －1，若对于任意x ∈[m ，m ＋1]，都有f (x )＜0成立，则实数m 的取值 范围是 ( ) A. 2( B. 3 (,0)2 - C. 32(,2- D. 22( 长沙市一中高一英语期中考试试卷内容摘要： 温馨提示：1.请将所有答案写在答题卷上，写在试题卷上的一律无效。 2.请规范答题。如果答题卷卷面书写不规范，我们将给与3-5分的扣分。 3.我们相信宜章一中的每一位一中人都能做到诚信考试，谢谢大家！ 第一部分：听力（共10题，计20分） 第一节反应根据你听到的内容和实际情况，写出简要答语。 第二节理解根据你听到的对话，选择正确的答案回答问题。听一段对话，做第6-8小题。 6. Where is Peter now? A. Sleeping at home. B. Being in the classroom. C. At the doctor’s. 7. What’s wrong with Peter? A. He’s got a fever. B. He’s got a toothache. C. He’s quite well. 8. What can Mr. Johnson most probably be? A. A doctor. B. A teacher. C. A student. 第三节笔录要点根据你听到的内容，填写下面的表格。 Weather Report Big ( 9 ) Weather Temperature Beijing sunny 4 to -5 London rainy 2 to 9 Sydney (10) Above zero to below zero 第二部分：英语知识运用（共两节，计40分） 第一节语法填空（共15题，计15分） 11. The trees ______ are on the school campus have lost _______ leaves. A. who, their B. which, their C. that, they D. whom, them 12. The student _______ we saw just now is the best runner in our school. A. whom B. which C. to whom D. to who 13. Jack is no longer the lazy boy _________ he used to be. A. whom B. which C. that D. whose 14. The school ___________ he studied is in Shenzhen. 俯视图 主（正）视图 左视图 湖南省长沙市一中2007-2008年九年级第六次月考数学试卷 请同学们注意：1、时间：120分钟，总分：120分 2、写好：姓名、班次、考室号、座位号。 一、填空题（每题3分，共24分） 1、函数1-= x y 的自变量x 的取值范围是______________。 2、把b a ab a 2232-+分解因式的结果是______________。 3、如图（1），圆锥底面半径为cm 9，母线长为cm 36，则圆锥侧面展开 图的圆心角为 。 4、已知等腰ABC ?的腰AB ＝AC ＝10cm ，，底边BC=12cm,则A ∠的平分线的长是 cm. 5、不等式组? ??<+-<-06202x x 的解集是________________。 6、半径分别为6cm 和4cm 的两圆内切，则它们的圆心距为 cm 。 7、如图，在等腰梯形ABCD 中，AD ∥BC ，AB ≠AD ，对角线AC 、BD 相交 于点O 。如 下四个结论： ① 梯形ABCD 是轴对称图形； ②∠DAC=∠DCA ； ③△AOB ≌△DOC ； ④△AOD ∽△BOC 请把其中错误结论的序号填在横线上：___________。 8、如图，如果以正方形ABCD 的对角线AC 为边作第二个正方 形ACEF ，再以对角线AE 为边作第三个正方形AEGH ，如此下 去，…，已知正方形ABCD 的面积1s 为1，按上述方法所作的正 方形的面积依次为2s ，3s ，…..,n s （n 为正整数），那么第8个正方 形的面积8s ＝_______。 二、选择题：（每小题3分，共24分） 9、2007年中国月球探测工程的“嫦娥一号”卫星将发射升空飞向月球。已知地球距离月球表面约为384000千米，那么这个距离用科学记数法（保留三个有效数字）表示应为（ ） A 、3.84×4 10千米 B 、3.84×5 10千米 C 、3.84×6 10千米 D 、38.4×4 10千米 10、下图是由一些完全相同的小立方块搭成的几何体的三种视图，那么搭成这个几何体所用的小立方块的个数是（ ） A 、5个 B 、6个 C 、7个 D 、8个 11、下列运算正确的是（ ） A B C D O 图2 A B C D E F G H I J 图 3 2017-2018广东佛山一中高二下第一次段考 理科物理试题 一、选择题（1-9单选题，每题3分，10-15多选题，每题6分，共63分） 1．如图所示，一正方形线圈的匝数为n ，边长为a ，线圈平面与匀强磁场垂直，且一半处在磁场中. 在Δt 时间内，磁感应强度的方向不变，大小由B 均匀地增大到2B .在此过程中，线圈中产生的感应电动势为( ) A.Ba 22Δt B.nBa 2 2Δt C.nBa 2Δt D.2nBa 2Δt 2．如图所示，一个闭合金属圆环用绝缘细线挂于O 点，将圆环拉离平衡位置并由静止 释放，圆环摆动过程中经过有界的水平方向的匀强磁场区域，A 、B 为该磁场的竖直边界，磁场方向垂直于 圆环所在平面向里，若不计空气阻力，则( ) A ．圆环向右穿过磁场后，还能摆到释放位置 B ．圆环进入磁场和离开磁场时感应电流大小相等 C ．圆环在磁场中运动时均有感应电流 D ．圆环将在磁场中不停地摆动 3．如图所示，上下开口、内壁光滑的铜管P 和塑料管Q 竖直放置，小磁块先后在两管中从相同高度处由静止释放，并落至底部，则小磁块( ) A ．在P 和Q 中都做自由落体运动 B ．在两个下落过程中的机械能都守恒 C ．在P 中的下落时间比在Q 中的短 D ．落至底部时在P 中的速度比在Q 中的小 4．如图所示是研究通电自感实验的电路图，A 1、A 2是两个规格相同的小灯泡，闭合电键调节电阻R ，使两个灯泡的亮度相同，调节可变电阻R 1，使它们都正常发光，然后断开电键S ，则( ) A ．闭合电建瞬间，A 1立刻变亮，A 2逐渐变亮 B ．闭合瞬间，A 2立刻变亮，A 1逐渐变亮 C ．稳定后，L 和R 两端电势差不相同 D ．稳定后断开电建，A 1和A 2都闪一下然后慢慢熄灭 5．如图所示，理想变压器原线圈接在交流电源上，图中各电表均为理想电表。 下列说法正确的是( ) A ．当滑动变阻器的滑动触头P 向上滑动时，R 1消耗的功率变大 B ．当滑动变阻器的滑动触头P 向上滑动时，电压表V 示数变大 C ．当滑动变阻器的滑动触头P 向上滑动时，电流表A 1示数变大 D ．若闭合开关S ，则电流表A 1示数变大、A 2示数变大 长沙市一中2014届高三年级月考（一）英语2 高考英语 2014-08-20 1553 Sir Paul said so as he announced a specialist knife crime unit to deal with teenagers carrying knives in the capital．It will use a team of 75 specialist officers to find criminal group members and their supporters． Detective Inspector, George Rhoden, president of the National Organisation of Black Law Enforcement Executives said, “In the black community we have all noticed that there is major concern about gun and knife crime．Clearly we are not the only part of the community affected by the problem of children who have no fathers, but parental responsibility should be of major concern.” Around 59 percent of black Caribbean children and 54 percent of mixed – race youngsters are looked after by a parent．In the white British population, the number is 22 percent． 61．From the above, we can see that in knife crimes in London． A．there are more whites than Asians as victims B．there are more blacks than whites as victims C．Asians make up the smallest group of criminals D．blacks make up the second largest group of criminals 62．What Sir Paul Stephenson said suggests that ． A．drug selling has replaced knife crime as the top concern for London police B．drug selling had been the top concern for London police in the past C．knife crime used to be the top concern for London police D．London police now pay no attention to drug selling湖南长沙一中下学期高一期末考试英语
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