2019届高三六校第二次联考
英语试题
命题学校：东莞中学
六校分别为：广州二中、中山纪中、东莞中学、珠海一中、深圳实验、惠州一中
Ⅰ. 语言知识及应用(共两节，满分45分)
第一节完形填空(共15小题；每小题2分，满分30分)
阅读下面短文，掌握其大意，然后从1-15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
A king in Africa had a close friend with whom he had grown up. The friend had a habit of looking at every bad situation that occurred in his life and 1 , “This is good!”
One day the king and his friend were out on a hunting 2 . The friend would 3 the guns for the king. But this time he had 4 done something wrong in preparing one of the guns, for after taking the gun from his friend, the king fired it and his thumb was blown off.
Examining the 5 the friend remarked as usual, “This is good!” to which the king replied, “No, this is NOT good!” and 6 imprisoned his friend.
About a year later, the king was hunting in an area where he should have known not to hunt. Cannibals(食人者) __7 him and took him to their village. They tied his hands, set up a wooden post and 8 him to it. As they came close to set fire to burn the king, they 9 that the king was missing a thumb. Being superstitious, they never ate anyone who was less than whole. So 10 the king, they sent him on his way.
As he returned home, he was 11 of the event that had taken his thumb and felt sorry for his treatment of his friend. He went immediately to the 12 to speak with his friend. “You were right,” he said, “it was good that my thumb was blown off.” Then he 13 to tell the friend all that had just happened.
“I feel 14 for sending you to jail for so long. It was bad for me to do this.”
“No,” his friend replied, “this is good!”
“What do you mean? How could it be good that I sent my friend to jail for a year?”
“If I had NOT been in jail, I would have been with you, and I would have been ___15 !”
1. A. joking B. remarking C. announcing D. whispering
2. A. expectation B. experience C. expedition D. experiment
3. A. prepare B. arrange C. carry D. hold
4. A. deliberately B. apparently C. naturally D. specially
5. A. thumb B. king C. gun D. situation
6. A. angrily B. calmly C. regretfully D. joyfully
7. A. caught B. warned C. robbed D. hunted
8. A. connected B. related C. wrapped D. fastened
9. A. observed B. understood C. noticed D. complained
10. A. untying B. forgiving C. overlooking D. beating
11. A. recalled B. accused C. informed D. reminded
12. A. house B. jail C. village D. kingdom
13. A. stopped B. hesitated C. continued D. refused
14. A. fortunate B. foolish C. guilty D. painful
15. A. burnt B. cooked C. fired D. eaten
第二节语法填空（共10小题；每小题1.5分，满分15分）
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题卡括号为16-25的相应位置上。
There are times when people are so tired that they fall asleep almost anywhere. We can see a lot of people sleeping on the bus or train on their way home __16__ work in the evening. A man will be reading the newspaper, and seconds later it appears as if he is trying to eat it. Or he will fall asleep on the shoulder of the stranger sitting next to him. Another place where __17__ (plan) short sleep goes on is in the lecture hall __18__ a student will start snoring so loudly that the professor has to ask __19__ student to shake the sleeper awake. A more __20__ (embarrass) situation occurs when a student starts falling into sleep and __21__ weight of the head pushes the arm off the desk, and the movement carries the rest of the body along. The student wakes up on the floor with no memory of getting there. The __22__ (bad) time to fall asleep is when driving. Police reports are full of accidents that occur when people fall into sleep and go off the road. __23__ the drivers are lucky, they are not seriously hurt. One woman’s car, for example, went into the river.
She woke up in four feet of water and thought that it __24__ (rain). When people are really tired,__25__ will stop them from falling asleep — no matter where they are.
II阅读（共两节，满分50分）
第一节阅读理解（共20小题；每小题2分，满分40分）
阅读下列短文，从每题所给的A、B、C和D项中，选出最佳选项，并在答题卡将该项涂黑。
A
Mark and his brother Jason both were looking at the shining new computer enviously. Jason was determined not to go against their father’s wishes but Mark was more adventurous than his brother. He loves experimenting and his aim was to become a scientist like his father.
“Dad will be really mad if he finds out you’ve been playing with his new computer” Jason said, “He told us not to touch it.”
“He won’t find out,” Mark said, “I’ll just have a quick look and shut it down.”
Mark had been scolded before for touching his father’s equipment. But his curiosity was difficult to control and this new computer really puzzled him.
It was a strange-looking machine —one his dad had brought home from the laboratory where he worked. “It’s an experimental model,” his father had explained, so don’t touch it under any circumstances.” But his father’s warning only se rved to make Mark more curious. Without any further thought, Mark turned on the power switch. The computer burst into life and seconds later, the screen turned into colours, shifting and changing, and then two big white words appeared in the centre of the screen: “SPACE TRANSPORTER.”
“Yes!” Mark cried excitedly, “It’s a computer game. I knew it! Dad’s only been pretending to work. He’s really been playing games instead!” A new message appeared on the screen:
“ENTER NAMES
VOY AGE１
VOY AGE２
Mark’s finger fle w across the keyboard as he typed in both of their names.
“INPUT ACCEPTED.
START TRANSPORT PROGRAM.
AUTO-RETRIEVE INITIATED(自动回收程序已启动).”
The screen turn even brighter and a noise suddenly rose in volume.
“I think we’d better shut it off, Mark,” J ason yelled out in terror, reaching for the power switch. A beam(光束) of dazzling white light burst out of the computer screen, wrapping the boys in its glow(光芒)，until they themselves seemed to be glowing. Then it died down just as suddenly as it had burst into life. And the boys were no longer there. On the screen, the letters changed：
“TRANSPORT SUCCESSFUL．
DESTINATION: MARS.
RETRIEVE DATE: 2025
26. Why did Mark touch the computer against his father’s warning?
A. He wanted to take a voyage.
B. He wanted to practice his skills.
C. He was so much attracted by it.
D. He was eager to do an experiment.
27. Where did the boy’s father most likely work?
A. In an electronic factory.
B. In a computer company.
C. In a scientific research center.
D. In an information processing center.
28. Mark thought “SPACE TRAN S PORTER” on the screen was the name of ________.
A. a computer game
B. a company website
C. a software producer
D. an astronomy program
29. Why did Jason want to shut off the computer?
A. He was afraid of being scolded.
B. He didn’t like the loud noise and light.
C. He didn’t want to play games.
D. He was afraid something dangerous might happen.
30. What happened to the boys at the end of the story?
A. They were blown into the air.
B. They were sent to another planet.
C. They were hidden in the strong light.
D. They were carried away to another country.
B
Every year many students went to the college bookstore to purchase the different textbooks that they need for their classes. Little do these students realize that, in doing so, they are throwing good money away.
It may sound unbelievable but textbooks, in some cases, actually cost as much as, if not more than, college fees.
Many people think that college bookstores are the most convenient source for textbooks. Titles are usually kept and students may purchase new textbooks or choose to buy second-hand books and save money. But the money saved by purchasing second-hand textbooks from college bookstores is small compared to the amount they could save by shopping online.
More and more online booksellers have begun selling textbooks at heavily discounted prices. Online second-hand bookstores are another source for college books as they keep a large number of textbooks, which means sizable savings for students. Students should avoid purchasing their textbooks at the first store that they surf online since there are so many ‘unreal’ booksellers on the Net. Price isn't the only factor to consider when making an online purchase. Students should also consider shopping costs and delivery time when making their decision.
Online auctions(拍卖) are another option for students seeking a bargain. This option, however, has its pros and cons. A plus is that students can get incredibly cheap books. One problem is that while online bookstores have a system in place that ensure you receive your order within a reasonable amount of time, with an auction purchase, however, you must depend on the auction seller's timetable.
One way that students can really save is by getting books for free. Project Gutenberg is one resource that English majors will find invaluable. Here students can legally download a huge collection of classic novels. In the past students needing help with their studies would often have to spend a lot of money buying expensive study guides. Today that is no longer the case. Cash-strapped students can now visit the website SparkNotes for free downloadable study guides as well as classics.
31. Which of the following is the best title of this passage?
A. Learning to Save on Textbooks
B. Why Buy Textbooks
C. Online Shopping
D. Tips for Buying Secondhand Textbooks
32. Which of the following is NOT mentioned as a source to obtain textbooks ?
A. College bookstores.
B. Online used bookstores.
C. Online auctions.
D. Second-hand bookstore centres.
33. The underlined expression “pros and cons” (paragraph 4) is closest in meaning to __________.
A. professionals and conservatives
B. joy and sadness
C. advantages and disadvantages
D. processes and conditions
34. According to the passage, Project Gutenberg is probably __________.
A. a government project aimed at helping English majors
B. a project to help poor students get free learning materials
C. a website for English majors to get the guides from language experts
D. a website for students to get free sources for English learning
35. From the passage, we can learn that__________.
A. the cost of textbooks in college is low compared to the amount spent on tuition
B. online auctions are perfect for students seeking text books
C. students should visit many websites before buying their books
D. students should consider shopping costs and delivery time above all else when making their buying decision
C
LEEDS, England—A Leeds University psychology professor is teaching a course to help dozens of Britons forgive their enemies.
"The hate we hold within us is a cancer, " Professor Ken Hart said, adding that holding in anger can lead to problems such as high blood pressure and heart disease.
More than 70 people have become members in Hart's first 20-week workshop in London—a course he says is the first of its kind in the world.
These are people who are sick and tired of living with a memory. They realize their bitterness is a poison they think they can pour out, but they end up drinking it themselves, said Canadian- born Hart.
The students meet in groups of eight to ten for a two-hour workshop with an adviser every fortnight.
The course, ending in July, is expected to get rid of the cancer of hate in these people. "People have lots of negative attitudes towards forgiveness," he said, "People confuse forgiveness with forgetting. Forgiveness means changing from a negative attitude to a positive one."
Hart and his team have created instructions to provide the training needed.
"The main idea is to give you guidelines on how to look at various kinds of angers and how they affect
you, and how to change your attitudes towards the person you are angry with," said Norman Claringbull, a senior expert on the forgiveness project.
Hart said he believes forgiveness is a skill that can be taught, as these people "want to get free of the past".
36. From this passage we know that________.
A. high blood pressure and heart disease are caused by hate
B. high blood pressure can only be cured by psychology professors
C. without hate, people will have less trouble connected with blood and heart
D. people who suffer from blood pressure and heart disease must have many enemies
37. If you are angry with somebody, you should________.
A. attend Hart’s course
B. never meet him or her any longer
C. persuade him or her to have a positive talk with you
D. treat him or her positively instead of negatively
38. In Hart's first 20- week workshop, people there can ________.
A. meet their enemies
B. change their attitudes
C. enjoy the professor's teaching
D. learn how to quarrel with others
39. If you are a member in Hart's workshop, you'll________.
A. meet in eight or ten groups
B. get rid of the illness of cancer
C. attend a gathering twice a month
D. pour out everything stored in your mind
40. The author wrote this passage in order to________.
A. persuade Britons to go to Hart's workshop
B. tell us the news about Hart's workshop
C. tell us how to run a workshop like Hart's
D. help us to look at various kinds of angers
D
The flag, the most common symbol of a nation in the modern world, is also one of the most ancient. With a clear symbolic meaning, the flag in the traditional form is still used today to mark buildings, ships
and other vehicles related to a country.
The national flag as we know it today is in no way a primitive artifact. It is, rather, the product of thousands of years’ development. Historians believe that it had two major ancestors, of which the earlier served to show wind direction.
Early human beings used very fragile houses and boats. Often strong winds would tear roofs from houses or cause high waves that endangered travelers. People’s food supplies were similarly vulnerable. Even after they had learned how to plant grains, they still needed help from nature to ensure good harvests. Therefore they feared and depended on the power of the wind, which could bring warmth from one direction and cold from another.
Using a simple piece of cloth tied to the top of a post to tell the direction of the wind was more dependable than earlier methods, such as watching the rising of smoke from a fire. The connection of the flag with heavenly power was therefore reasonable. Early human societies began to fix long pieces of cloth to the tops of totems (图腾) before carrying them into battle. They believed that the power of the wind would be added to the good wishes of the gods and ancestors represented by the totems themselves.
These flags developed very slowly into modern flags. The first known flag of a nation or a ruler was unmarked. The king of China around 1000 B.C. was known to have a white flag carried ahead of him. This practice might have been learned from Egyptians even further in the past, but it was from China that it spread over trade routes through India, then across Arab lands, and finally to Europe, where it met up with the other ancestor of the national flag.
41. The best title for the passage would be “________”.
A. Development of the National Flag
B. Power of the National Flag
C. Types of Flags
D. Uses of Flags
42. The underlined word “vulnerable” in Paragraph 3 means ________.
A. impossible to make sure of
B. likely to be protected
C. easy to be damaged
D. difficult to find
43. The earliest flags were connected with heavenly power because ________.
A. they could tell direction
B. they could bring good luck to ancient fighters
C. they were handed down by the ancestors
D. they were believed to stand for natural forces
44. What does the author know of the first national flag?
A. He knows when it was sent to Europe.
B. He believes it was made in Egypt.
C. He thinks it came from China.
D. He doubts where it started.
45. What will the author most probably talk about next?
A. The role of China in the spread of the national flag.
B. The second ancestor of the national flag.
C. The use of modern flags in Europe.
D. The importance of modern flags.
第二节信息匹配（共5小题；每小题2分，满分10分）
请阅读下列新闻和相关信息，并按照要求匹配信息。
首先请阅读下列新闻：
A．“Better road design and training hold the key to cycle safety”, the new Transport Secretary said today as he pledged to restore Britain’s safety record. Patrick McLoughlin told Conservative P arty Conference that while cycling was enjoying a post-Olympics boom, the number of casualties among cyclists was also rising. “But the number of accidents has gone up too. That means it needs better design and better education too.” Mr McLoughlin said in his first speech as Transport Secretary.
B. Cycling in the UK will become safer through “sheer weight of numbers,” the founder of one of the
world’s leading cycle brands has said as he backed The Times’s Cyclesafe campaign. Simon Mottram, founder and chief executive of Rapha, has added his support to 40 cross-party MPs who have signed
a letter urging David Cameron to use his speech at the Conservative Party Conference to promote
measures to make the streets safer for cyclists.
C. Commuters who cycle to work face an increased danger as the casualty toll during peak hours rose by
10 percent last year. The rate at which cyclists were killed or seriously injured rose sharply last year,
official figures showed yesterday.
D. In future decades, Londoners will look back on the way cyclists jostled with buses and lorries on
major roads as an absurd anachronism. Some risks are unavoidable. But other risks survive only because we are too slow to embrace bold solutions. That is the message from designers who are pr oposing an ambitious plan to create cycle lanes suspended above London’s busiest streets. London is one of the most dangerous places in the world for cycling. “SkyCycle” would remedy that problem by attaching dedicated cycle paths to existing railway viaducts.
E. Money should be apportioned from the funding for major transport projects, such as the new Forth
Crossing, to create a pot of cash for cycling, campaigners have told MSPs. Cycle groups have given warning that not enough money is being put into routes and promotion. They want the Scottish government to take a percentage of the funding allocated to key national projects and create an “active transport” fund to be distributed gradually.
F. We’d like you to tell us why you love cycling by sending a ph oto of yourself, a family member or
friend with their bike and a note about why it is so brilliant. To take part, instagram your photo with the hashtag #ilovemybike or email it to us at ilovemybike@https://www.doczj.com/doc/791075991.html,. We’ll post the best pictures here https://www.doczj.com/doc/791075991.html,.
请阅读以下信息，并为他们匹配合适的新闻内容。
46. “Cycle lanes in the sky” answer to traffic danger
47．More cyclists are seriously injured on Britain’s roads
48. Share a picture of you and your bike and help us promote the fun and freedom of cycling
49. “Weight of numbers” will bring safe cycling
50. Transport Secretary calls for better road design and training to help cyclists
III 写作（共两节，满分40分）
第一节基础写作（共1小题，满分15分）
你是校报小记者，最近学校进行了一次问卷调查。以下是这次调查的情况:
时间: 上个月
对象: 本校的学生
主题: 请家教情况
结果:
（1）请家教率: 大约25％；
（2）家教时间: 大多在周末或假期；
（3）学生的不同看法：A：家教能提高学习成绩；
B：家教占用休息和娱乐时间。
家教private tutoring；家庭教师：private tutor
【写作内容】
根据以上情况给校报写一篇报道，并包括如下内容:
1. 调查的时间、对象和主题；
2. 调查的结果；
3. 你对请家教的看法。
【写作要求】
只能使用5个句子表达全部内容
【评分标准】
句子结构准确，信息内容完整，篇章结构连贯。
第二节读写任务（共1小题，满分25分）
阅读下面的短文，然后按照要求写一篇150词左右的英语短文。
Around twenty years ago I was living in Seattle and going through hard times. With rich experience and a Master’s degree, to my shame, I could only drive a school bus to make ends meet.
Later that afternoon, I dropped off a little girl in a quiet suburban neighborhood. As she passed she handed me an earring, saying I should keep it in case somebody claimed it. The earring was painted black and said 'BE HAPPY'. It hit me. I had been putting all of my energies into what was wrong with my life rather than what was right! I decided then and there to make a list of 50 things I was grateful for. At first it was hard, then it got easier. One day I decided to up it to 75.
My life was completely changed. I know that it was because I changed my attitude to gratitude, which is the key to happiness.
I spent the next year conducting training workshops all around the Seattle area and then decided to risk everything and go back to Scotland where I had lived previously. I closed my one man business, bought a plane ticket and got a six month visa. One month later I met my wonderful English wife and best friend of
15 years now. We live in a small beautiful cottage, two miles from a paved road in the highlands of Scotland.
【写作内容】
1. 以约30个词概括以上短文的主要内容；
2. 然后以约120个词就“幸福”话题写一篇短文，内容包括：
(1) 请讲述一件你经历过的幸福的事情；
(2) 简述你对幸福的理解。
【写作要求】
1. 在作文中可以使用自己亲身的经历或虚构的故事，也可以参照阅读材料的内容但不得直接引用原文中的句子；
2. 作文中不能出现真实姓名和学校名称。
【评分标准】
概括准确，语言规范，内容合适，篇章连贯。
2019届高三第二次六校联考英语试题参考答案
Ⅰ. 语言知识及应用(共两节,满分45分)
第一节完形填空(共15小题；每小题2分，满分30分)
1-5 BCABD 6-10 AADCA 11-15 DBCCD
第二节语法填空（共10小题；每小题1.5分，满分15分）
16. from /after 17. unplanned 18. where 19. another 20. embarrassing
21. the 22. worst 23. If 24. was raining 25. nothing
（任何与答案不相符的都不对，包括字母的大小写。）
II阅读（共两节，满分50分）
第一节阅读理解（共20小题；每小题2分，满分40分）
26-30 CCADB 31-35 ADCDC 36-40 CDBCB 41-45 ACDDB
第二节信息匹配（共5小题；每小题2分，满分10分）
46-50 DCFBA
III 写作（共两节，满分40分）
第一节基础写作（共1小题，满分15分）
A possible version:
A survey on private tutoring was carried out among the students in our school last month, which indicates that about 25% of the students have private tutors for a variety of reasons. Most of them choose to have private tutoring at weekends or during holidays. Some of the students believe that private tutors enable them to raise academic achievement. Others think it takes up so much of their free time that they can hardly find enough time for rest and entertainment.
In my opinion, some students may become too dependent on their tutors, which will weaken their learning abilities.
第二节读写任务（共1小题，满分25分）
概括应该包括以下要点：
1、作者一直觉得生活不顺利；
2、女孩给他earring，让他等失主；
3、他意识到：对生活心存感激才会享受到幸福。
One possible version:
Being a school bus driver, the author has been feeling unsatisfied with his life until the girl gave him the “BE HAPPY” earring, which was wa iting for its owner. He learned that being grateful will lead to happiness. (37)
Actually, I experienced great happiness last weekend when my parents came from home to meet me for a dinner. With heavy schoolwork in Senior Three, I have been staying in school for nearly one month, just talking to my parents on the phone occasionally. Last weekend, I almost cried saying I missed them so much and they promised to see me at weekend. When the bell rang, I rushed to the school gate where I knew my parents were waiting for me. We had a big hug and hand in hand walked into a restaurant nearby for dinner. We ate chatting and laughing, greatly relieving my anxiety. I was the luckiest and happiest girl at that time. Thank you! Love you both, Mum and Dad!
In my opinion, being grateful is absolutely the road leading to happiness. I thank my parents for their bringing me up and driving a long way to see me from home. I enjoyed the happiness of staying with them. As to the author, he didn’t sense the fragrance of happines s until he changed his attitude and was grateful to his existing life. So, be grateful before enjoying your happiness!
秘密★启用前试卷类型：A 2019届广东省高三“六校联盟”第四次联考 理科综合 二、选择题：本题共8小题，每小题6分。在每小题给出的四个选项中，第14～17题只有一项符合题目要求，第18～21题有多项符合题目要求。全部选对的得6分，选对但不全的得3分，有选错的得0分。 14.下列说法正确的是() A. 卢瑟福通过α粒子散射实验，发现了中子 B. 按照玻尔理论，氢原子核外电子从半径较大的轨道跃迁到半径较小的轨道时，电子的 动能增大，原子总能量减少 C. β衰变中产生的β射线是原子核外电子挣脱原子核束缚之后形成的电子束 D. 氡的半衰期为3.8天，8个氡的原子核，经过7.6天只剩下2个氡原子核 15、如图所示，一束质量、速度和电荷量不全相等的离子，经过由正交的匀强电场和匀强磁场组成的速度选择器后，进人另一个匀强磁场中并分裂为A、B两束，下列说法中正确的是（） A．组成A束和B束的离子都带负电 B．A束离子的比荷大于B束离子的比荷 C．组成A束和B束的离子质量一定不同 D．速度选择器中的磁场方向垂直于纸面向外 16、如图所示，小球从离地高为H的位置A由静止释放，从C点切入半圆轨道后最多能上升到离地面高为h的B位置.再由B位置下落，再经轨道由C点滑出到离地高为h′的位置.速度减为零，不计空气阻力，则()
A.H-h>h-h′ B.H-h 2019年广东省高职高考数学试卷 一、选择题。本大题共15小题，每小题5分，满分75分，只有一个正确选项。 1.已知集合A={-1，0，1，2}，B={x|x＜0}，则A∩B=（） A.{1，2} B.{-1} B.{-1，1} D.{0，1，2} 2.函数y=Ig (x+2) 的定义域是（） A.(-2,+∞） B.[-2，+∞） C.（-∞，-2） D.（-∞，-2] 3.不等式（x+1）（x-5）＞0的解集是（） A.（-1，5] B.(-1,5) C.(-∞,-1]∪[5，+∞） D.（-∞，-1）∪（5，+∞） 4.已知函数y=f（x）[x=R]的增函数，则下列关系正确的是( ) (-2)＞f（3）（2）＜f（3） （-2）＜f（-3）（-1）＞f（0） 5.某职业学校有两个班，一班有30人、二班有35人，从两个班选一人去参加技能大赛，则不同的选项有（） 6. “a ＞1”，是“a ＞-1”的（ ） A. 必要非充分 B.充分非必要 B. 充要条件 D.非充分非必要条件 7. 已知向量a=（x-3），b=（3，1),若a ⊥b ，则x=（ ） A. -9 8. 双曲线25x 2-16 y 2=1，的焦点坐标（ ） A. （-3，0） B.（-41，0），（41，0） B. （0，-3） D.（0，- 41），（0，41） 9. 袋中有2个红球和2个白球，红球白球除颜色外，外形、质量等完全相同，现取出两个球，取得全红球的几率是（ ） A. 61 B.21 C.31 D.32 10. 若函数f （x ）=3x 2+bx-1，（b ∈R ）是偶函数，则f （-1）=（ ） 11. 若等比数列{a n }的前八项和S n =n 2+a （a ∈R ），则a= （ ） A. -1 合肥一中芜湖一中安师大附中拜埠二中安庆一中淮北一中 安徽省六校教育研究会2021年高三年级第一次联考 物理试题 （卷面分值100分考试时间100分钟） 第I卷选择题（共40分） 一、选择题：（本题共10小题，每小题4分，共40分。在每小题给出的四个选项中，第1-7题只有一项符合题目要求，第8^10题有多项符合题目要求。全部选对的得4分，选对但不全的得2分，有选错的得0分。） 1．关于物理学家和他们的贡献，下列说法中正确的是 A.奥斯特发现了电流的磁效应 B.库仑提出了库仑定律，并最早实验测得元电荷e的数值 C:开普勒发现了行星运动的规律，并通过实验测出了万有引力常量 D.牛顿不仅发现了万有引力定律，而且提出了场的概念 2.一列火车从静止开始做匀加速直线运动，一人站在第一节车厢前端的旁边观察，第一节车厢通过他历时2s,整列车箱通过他历时8s,则这列火车的车厢有 A. 6节 B.9节 C. 12节 D. 16节 3:如下图所示，小车的顶端用轻绳连接两个小球，下面的比上面的质量小，小车正在向右做匀加速直线运动，且两小球均相对车厢静止，下列各图中情景正确的是 4.如图所示，一闭合圆形线圈水平放置，穿过它的竖直方向的匀强磁场磁感应强度随时间变化规律如右图，规定B的方向以向上为正方向，感应电流以俯视顺时针的方向为正方 向，在0-4t时间内感应电流随时间变化图像中正确的是 5:声音在某种气体中的速度表达式，可以只用气体的压强P,气体的密度 和没有单位的的比例 常数k表示，根据上述理论，声音在该气体中的速度表达式应该是 6.有一半圆形轨道在竖直平面内，如图，0为圆心，AB为水平直径，有一质点从A点以不同速度向右平抛，不计空气阻力，在小球从抛出到碰到轨道这个过程中，卞列说法正确的是 A.初速度越大的小球运动时间越长 B.初速度不同的小球运动时间可能相同 C．落在圆形轨道最低点的小球末速度一定最大 D:小球落到半圆形轨道的瞬间，速度方向可能沿半径方向 7、规定无穷远处电势为零，现将一带电量大小为q的负检验电荷从无穷远处移到电场中的A点， 广东省六校联考2019届高三第三次联考 第Ⅰ卷 本卷共11小题，每小题4分，共44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。 中国沙县小吃是汉族传统饮食的“活化石”。2018 年 11 月沙县小吃登陆美国纽约，小食店客似云来。不仅是沙县小吃，还有煎饼、黄焖鸡米饭等中国传统美食亦风靡美国。据此完成下面小题。 1. 中国传统美食风靡美国、食客如云的主要原因是（） A. 价格定位适宜 B. 美食历史悠久 C. 食品美味可口 D. 中美文化差异 2. 沙县小吃店选址在美国纽约第八大道，主要原因是（） A. 临近金融中心 B. 临近交通枢纽 C. 靠近消费市场 D. 靠近原料产地 3. 沙县小吃纽约店与国内店相比，推测其成本差异最大的是（） A. 食材价格 B. 技术水平 C. 餐厨用具 D. 劳动力价格 【答案】1. D 2. C 3. D 【解析】 【1题详解】 沙县小吃源远流长，历史悠久，起源于夏商周、晋、宋中原黄河流域中华饮食文化，在民间具有浓厚的历史文化基础，尤以品种繁多风味独特和经济实惠著称，由于中美文化差异，传统饮食习惯及制作方法不同，所以中国传统美食风靡美国、食客如云，虽然中国小吃价格定位适宜、历史悠久、食品美味可口但不是食客众多的最主要原因，故选D。 【2题详解】 纽约8大道位于纽约的布鲁克林区，是纽约3大唐人聚集地之一。纽约布鲁克林日落公园8大道华人商业区人口暴涨，商业已朝湾脊区的方向发展，沙县小吃店选址该地主要是流动人口众多，靠近消费市场，故选C。 【3题详解】 纽约店与国内店相比，食材价格和技术水平以及用具都不存在差异，而美国经济发达，劳动 安徽六校教育研究会2019届高三第二次联考 数学试题（理） 命题：安徽师范大学附属中学 考试时间：120 分钟；试卷分值：150 分。 注意事项： 1.答卷前，考生务必将自己的姓名、准考证号填写在答题卡上； 2. 回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其它答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。考试结束后，将本试卷和答题卡一并交回。 一、选择题：本题共12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。 1．设全集U ＝R ，集合{}3A x x =≤， {}6B x x =≤，则集合() U A B =C ( ) A ．{}36x x <≤ B ．{}36x x << C ．{}36x x ≤< D ．{}36x x ≤≤ 2．某工厂生产的A ，B ，C 三种不同型号的产品数量之比为2∶3∶5，为研究这三种产品的 质量，现用分层抽样的方法从该工厂生产的A ，B ，C 三种产品中抽出样本容量为n 的样本，若样本中A 型产品有10件，则n 的值为( ) A ．15 B ．25 C ．50 D ．60 3．若复数z 满足zi ＝1＋i ，则z 的共轭复数是( ) A ．－1－i B ．1＋i C ．－1＋i D ．1－i 4 ．若sin()45 π α- = ，那么cos()4πα+错误！未找到引用源。的值为( ) A ．错误！未找到引用源。 B ． 错误！未找到引用源。 C ． 错误！未找到引用源。5 D ． 错误！未找到引用源。5 - 5．设0.2 1 4 13 12,,log 65a b c ?? === ???则( ) A ．错误！未找到引用源。 a b c << B ．错误！未找到引用源。 c b a << C ．错误！未找到引用源。 c a b << D ．错误！未找到引用源。b a c << 6．一个几何体的三视图如图所示，其中俯视图是半径为r 的圆，若该几何体的体积为错误！ 未找到引用源。98 π，则它的表面积是( ) A ．错误！未找到引用源。92 π B ．9π 广东省六校2018届高三文综（历史部分）下学期第三次联考试题24.《左传》记载，公元前516年，齐景公问政于晏婴。晏婴献策回答：“唯礼可以已之”，若行礼制则“民不迁，农不移，工贾不变，士不滥，官不滔，大夫不收公利”。这表明先秦的“礼”是 A. 治国安邦的重要措施 B. 以人为本的民本思想 C. 维护宗法分封的工具 D. 强化等级秩序的手段 25. 下表反映了秦汉两朝不同时期对地方监察官的设立情况 据此能够认定的历史事实是 A. 秦汉时丞相负有地方监察职责 B. 西汉时地方监察官的职权广泛 C. 秦汉时对地方官吏的管理加强 D. 秦汉时监察官官职高于地方官 26. 唐宋很多皇帝各种宗教都提倡。如唐玄宗亲自对《孝经》、《金刚经》和《道德经》三部书进行注释,并将注本颁行天下；南宋孝宗的《三教论》说：“以佛修心，以道养生，以儒治世”。上述现象说明 A.儒学已经丧失其正统地位 B.理学的社会基础薄弱 C.三教合一成为中国传统文化的主流 D.统治者注重宗教的实用功能 27. 宋代城市出现许多店铺。如《清明上河图》中可看到“刘家上色沉檀楝香”、“王家罗锦匹帛铺”、“孙家正店”、“赵太丞家药肆”等；《东京梦华录》也有“张家酒店”“东鸡儿巷郭厨”“郑皇后宅后宋厨”“王道人蜜煎”等记载。这说明宋代 A. 工商业首创商标制度 B. 工商业大多集中在居民区 C. 城市坊市制度被打破 D. 工商业经营已有品牌意识 28.下图列出了1645年、1725年、1843年、1865年四个年份上海道台职能的变化情况。 此图主要反映了上海道台 A.渐变为近代化的行政官员 B.职务管辖范围越来越大 C.在时代驱动下的被动转型 D.逐渐具备近代洋务思想 29.金冲及在《转折年代》中以近乎白描的手法再现了1947年的中国社会面貌：有一份杂志刊载了一幅中美贸易的漫画，画的是长嘴鹤在一只长颈瓶里喝水，对蹲在旁边的猫说：我们是平等的，都可以自由地在这瓶里喝水。材料表明 A.中国获得了与美国平等的贸易地位 B.美国以其经济优势获得隐性的贸易特权 C.近代以来的不平等条约影响依然存在 D.中国在中美贸易中处于不利的逆差地位 30. 1947年苏联向中共提供了价值1.51亿卢布的各种武器、设备和战略材料；1948年苏援增至3.35亿卢布，1949年进一步增至4.206亿卢布。与此同时，美国也向国民政府提供了大量援助。这反映了 ,2(i j a i j b i j R a b λλλ=-=+∈∈已知为互相垂直的单位向量，，）则使与的夹角为锐角的一个必要非充分条件是（ ）2007年安徽省六校高三联考理科数学试题 考试时间：120分钟 试卷分值：150分 命题学校：安庆一中 注意事项： （1）本试卷为第I 卷（选择题）和第Ⅱ卷（非选择题）两部分； （2）第I 卷（选择题）的答案必须用2B 铅笔涂在答题卡中相应的位置，否则不予记分。 第Ⅰ卷（选择题 共60分） 一、选择（12题×5分） 1．计算2 ()13i -的值为 A ．13i + B ．3i -- C ．13i - D ．223i - 2．已知函数1()ln 1x f x x +=-，若()f a b -=-，则()f a = A ．1b B ．1b - C ．b D ．b - 3．已知G 是△ABO 所在平面内的一点且满足1 ()3 OG OA OB =+，则点G 是△ABO 的 A ．内心 B ． 外心 C ．重心 D ． 垂心 4．31 (2)x x + -的展开式中，常数项为 A ．－4 B ．－8 C ．－12 D ．－20 5．已知(1)f x +是偶函数，则函数(2)y f x =的图象的对称轴是 A ．直线12 x = B ．直线12 x =- C ．直线1x =- D ．直线1x = 6．已知全集{}1,2,3,4,5U =，集合A 、B U ，若A ∩B={2}， （ A ）∩B={4}，（A ） ∩（ B ）={1，5}，则下列结论中正确的是 A ．3∈A ，3∈ B B ．3?A ，3?B C ．3?A ，3∈B D ．3∈A ，3?B 7． A ．(-∞，-2)?1 （-2，）2 B ．(-∞，-2) C ．（-2， 23）?2（，3+∞） D ．(-∞，1 2 ) 8．过抛物线2 4(1)y x =-的焦点F 任作一条射线与抛物线交于A 点，则以线段FA 为直径的 圆必与直线 A ．3x =相切 B ．1x =相切 C ．0x =相切 D ．0y =相切 9．函数sin cos y x x =-与函数sin cos y x x =+的图象关于 班级 姓名 准考证号 命题：安徽师范大学附属中学 考试时间：150 分钟；试卷分值：300 分。 注意事项： 1.答卷前，考生务必将自己的姓名、准考证号填写在答题卡上； 2.回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑。如需改动，用橡皮擦干净后，再选涂其它答案标号。回答非选择题时，将答案写在答题卡上，写在本试卷上无效。考试结束后，将本试卷和答题卡一并交回。 可能用到的相对原子质量：H 1 C 12 N 14 O 16 Na 23 Ti 48 一、选择题：本题共13小题，每小题6分，共78分。在每小题给出的四个选项中，只有一项符合题意。 1. 下列关于细胞结构和功能的叙述，错误的是 A.多肽合成的场所核糖体由蛋白质和核糖核酸组成 B.细胞壁、细胞膜分别是植物细胞和动物细胞的边界 C.动物细胞正常有丝分裂过程离不开中心体的作用 D.生物体内非相邻细胞间可以通过信息分子进行信息交流 2. 下列关于酶的叙述，错误的是 A.通过设置对比实验可以探究不同pH对某种酶活性的影响 B.从胃蛋白酶的提取液中沉淀该酶可用盐析的方法 C.增加某反应体系中酶的数量，反应速率会加快，最终产物浓度会增加 D.酶不但可以作为一个反应的催化剂，还可以作为另一个反应的底物 3. 洋葱是生物学实验的常用材料，其鳞片叶及根尖可用于不同的实验研究。下列关于洋葱在 实验中的应用，叙述错误的是 A.运用质壁分离与复原实验，可估测洋葱鳞片叶外表皮细胞液的浓度 B.提取洋葱鳞片叶外表皮细胞液泡中的紫色色素，可使用清水作溶剂 C.观察高等植物细胞有丝分裂的过程，宜选取洋葱根尖分生区细胞 D.利用洋葱鳞片叶内表皮细胞进行实验，可观察到线粒体和叶绿体 4. 有关减数分裂和受精作用的叙述，正确的是 A.在减数第一次分裂后期过程中，并非所有非等位基因发生自由组合 B.受精过程中，精子和卵细胞的随机结合，会导致基因重组发生 C.减数分裂结束后，产生的配子染色体数目减少，对生物的遗传不利 D.雄果蝇体细胞中有4对染色体，经减数分裂得到的卵细胞有2对染色体 5.激动素是一种细胞分裂素类植物生长调节剂。为了探究激动素对侧芽生长的影响，某研究小组将生长状态一致的豌豆苗随机分为A、B、C三组，实验处理如表。处理后，定期测 安徽六校教育研究会 2018 届高三第二次联考 广东省六校2021届高三上学期第一次联考 英语试题 第一部分阅读理解(共两节，满分50分) 第一节(共20小题;每小题2分，满分40分) 阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项，并在答题卡上将该项涂黑。 A The Best and Worst Things to Buy in March Frozen food Grocery store ads aren't the only places to find deals on freezer-section treats. 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To 2018届高三六校第三次联考生物参考答案2018.02.22 一、单项选择题（6题，每题6分，共36分）。 二、非选择题必考题（4题，共39分）。 29.（10分，除特殊说明外，每空2分） （1）有氧呼吸（第二阶段）生成二氧化碳（Cl8O2），二氧化碳（Cl8O2）再参与暗反应（光合作用）生成有机物(CH218O) [共4分，“有氧呼吸（第二阶段）”、“二氧化碳（Cl8O2）”、“暗反应（光合作用）”、“有机物(CH218O)”为给分点，漏答1项或错答1项即扣1分，扣完为止] 小于0 （2）A TP的合成需要原料ADP，Pi，能量。（1分）植物细胞中有ADP，Pi，无氧呼吸第一阶段有少量能量释放出来，所以可以合成少量A TP，（2分）无氧呼吸第二阶段没有能量产生，因此没有ATP生成（1分）。[共4分，“原料ADP，Pi，能量（1分）、”、“第一阶段释放少量能量（2分）”、“第二阶段没有能量释放（1分）”为给分点，漏答1项或错答1项即扣对应分，扣完为止] （共4分） 30.（9分，除特殊说明外，每空2分） （1）大脑皮层（2分） （2）皮肤毛细血管舒张和通透性增加，（1分）血浆中蛋白质和液体渗出，（1分）引起组织间隙液体增多。（1分）[共3分，“毛细血管舒张和通透性增大”、“蛋白质和液体渗出”、“组织液增多”为给分点，漏答1项或错答1项即扣1分，扣完为止] （共3分） ①通过刺激皮肤冷感受器,引起血管收缩,改变血管通透性,达到止血、减轻水肿及渗出作用； ②解除充血肿胀压迫神经所致的疼痛。[共2分，“血管收缩”、“缓解肿胀压迫神经所致的疼痛”为给分点，漏答1项或错答1项即扣1分，扣完为止]（2分，答对一项得1分）（言之有理可酌情给分） （3）②阻断神经冲动的产生和传递[补充答案：抑制神经递质的释放]（其他合理的答案酌情给分）（2分） 31.（10分，除特殊说明外，每空2分） （1）抵抗力营养结构变简单，自我调节能力降低 （2）生产者就地 （3）生态系统所具有的保持或恢复自身结构和功能相对稳定的能力[共2分，“保持或恢复”、 安徽六校教育研究会2018届高三第二次联考 英语试题 命题：合肥一六八中学 本试卷由四个部分组成。其中，第一、二部分和第三部分的第一节为选择题。第三部分 的第二节和第四部分为非选择题。试卷满分150分。考试时间120分钟。 第一部分听力（共两节，满分 30分） 回答听力部分时，请先将答案标在试卷上。听力部分结束前，你将有两分钟的时间将您 的答案转涂到客观答题卡上。 第一节（共5小题；每小题1.5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，并标在答题卷或答题卡的相应位置。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.What time is it now? A. 9:10. B. 9:50. C. 10:00. 2.What does the woman think of the weather? A. It’s nice. B. It’s warm. C. It’s cold. 3.What will the man do? A. Give a lecture. B. Leave his office. C. Attend a meeting. 4.What is the woman’s opinion about the course? A. Too hard. B. Worth taking. C. Very easy. 5.What does the woman want the man to do? A. Speak louder. B. Apologize to her. C. Turn off the radio. 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。每段对话后有几个小题，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。每段对话读两遍。 听第6段材料，回答第6、7题。 广东省六校2012届高三第三次联考语文试题 一、本大题4小题，每小题3分，共12分。 1、下列词语中加点的字，每对读音都不相同的一组是() A．栋梁／恫吓荆轲／沉疴塑料／塑造 B．畸形／膝盖歼灭／纤绳草率／效率 C．针砭／扁舟关隘／谥号模型／楷模 D．骄躁／骁勇啜泣／辍学溶解／解数 2、下面语段中画线的词语，使用不恰当的一项是() 一张以“城管打小姐”为标题的照片在网上流传已有六年，媒体多次澄清，照片其实是联防队员救下一位自杀女孩，但这并未让这则“流言”消失。类似事件在网络上还有很多，究其根本还是因为民众与政府之间越来越缺乏信任感．众所周知，有多少事不是在政府的讳莫如深和网贴的证据确凿下最终真相大白的呢?所以，民意是如此汹汹，等闲视之只会让悲剧不断产生，让政府的公信力逐渐式微，所以，还是与民众握手言欢吧，“大不了从头再来”。 A．讳莫如深 B．等闲视之 C．式微 D．握手言欢 3、下列句子中，没有语病的一项是() A．小悦悦事件经微博报出后，在网上引起了轩然大波，网友纷纷指责路人的冷漠。但是也有不少人认为，小悦悦的父母也有监护不力。 B．近日，教育部有关人士表示，有关“异地高考”的议题日前正在调研中，但还没有出台确切的时间表。 C．苹果公司所生产的产品，畅销全球，这和乔布斯的聪明才智和个性风格是分不开的。他被誉为“二十一世纪的爱迪生”，这是有道理的。 D．研究人员最近发现了《册封琉球国记略》原件，是钓鱼岛自古属于中国的最新明确证据，公布以来，在海内外影响巨大。 4、把下列句子组成语意连贯的一段文字，排序最恰当的一项是() ①人们把自身发展过程中所积累的各类重大发明，以及对各种自然、社会障碍的克服，都加在一个个神话英雄身上，并把他们看作是本部族的理想的象征。 ②这些神话的主人公通常是人的形象，他们都有着神异的经历或本领，他们的业绩在于创造和征服，如燧人氏、有巢氏、神农氏、仓颉、后稷等等。 ③它标志着人类自身的主体性突出了，这是社会进步的结果，历史上相继出现了大量有关文化英雄的神话。 ④黄帝之前，神话中有着大量的自然神。黄帝之后，神话进入了一个英雄的时代。 ⑤自然神从而被人类自己的神所代替。 A．④⑤①③②B．①⑤④③②C．④①⑤③②D．①⑤④②③ 二、本大题有7小题，共37分。阅读下面的文言文，完成5—8题。(12分) 妇人英烈 洪迈 妇人女子以柔顺静专为德其遇哀而悲临事而惑蹈死而惧盖所当然尔至于能以义断恩以智决策视死如归则几于烈丈夫矣。 马超叛汉，杀刺史、太守。凉州参军杨阜出见姜叙于历城，与议讨贼。叙母曰：“韦使君遇难，亦汝之负，但当速发，勿复顾我。”叙乃与赵昂合谋。超取昂子月为质，昂谓妻异曰，“当奈月何?”异曰：“雪君父之大耻，丧元不足为重，况一子哉!”超袭历城，得叙母，母骂之曰：“汝背父杀君，天地岂久容汝，敢以面目视人乎?”超杀之，月亦死。 秦苻坚将伐晋，所幸张夫人引禹、稷、汤、武事以谏曰：“朝野之人，皆言晋不可伐，陛下独决意行之?”坚不听，曰：“军旅之事，非妇人所当预也。” 广东六校联盟2020届高三第三次联考语文参考答案 一、现代文阅读（36分） （一）论述类文本阅读（本题共3小题，9分） 1．（3分）【答案】B【解析】扩大范围，唐诗宋词可以流传至今的是一些典范作品。 2．（3分）【答案】B【解析】主要采用“对比论证”手法，于文无据。 3．（3分）【答案】D【解析】A项我们要继承的是先人“正面”的思维方式、生活态度和价值追求；B项诗歌“情志一也”；C项《梦游天姥吟留别》并没有讴歌现实美好的事物，也未积极关注民生和干 预现实，文中也未提及。 （二）实用类文本阅读（本题共3小题，12分） 4．（3分）【答案】D【解析】材料四提到“类脑计算可以处理的任务越来越多，但是要看到这些任务都有严苛的先决条件。” 5．（3分）【答案】C【解析】材料三是“预测2018-2020年中国人工智能芯片市场规模及增长情况”，C项把未然变已然。 6.（6分）【参考答案】①努力实现类脑芯片的两个突破，即突破传统“执行程序”计算范式的局限，形成“自主认知”的新范式和突破传统计算机体系结构的局限，实现数据并行传送、分布式处理，能 够以极低功耗实时处理海量数据。②提高类脑芯片的任务性处理能力和算力水平。③降低神经元模拟 的工艺与技术成本，找到可以代替晶体管的，属于类脑计算的新材料。④研究好适配类脑计算的架构、算法、编程方案等。⑤警惕类脑芯片虚假繁荣带来的危险。（每点2分，答出三点给6分。） （三）文学类文本阅读（本题共3小题，15分） 7．（3分）【答案】B【解析】小说批判对老人的漠视，并没有表现“当下年轻人工作、学习忙碌”和“无暇顾及老人”的内容。 8．（6分）【参考答案】①与前文埋下的伏笔相呼应。上文中多处埋下伏笔，暗示老人身份的可疑，比如：（老人多次行走在同一条路上，却无目的地；老人行动极其艰难、缓慢，却一直无人陪同；老人行走的人行道，其狭窄程度并不符合生活真实；以及文中对老人行走动作和细节的刻画）等等，这样 处理揭示了伏笔，照应了上文，使情节更符合艺术真实。 ②达到“出人意料之外，又在情理之中”的效果，造成情节的波澜。小说第⑦段交代老人是电视台邀 请的演员所扮演是小说出人意料之处，但因上文多处埋下伏笔，所以这一情节并不显突兀，反而符合 情理，这样处理，造成情节波澜起伏。 ③与下文“儿童募捐”在内容上形成对比，更利于揭示主题。老人虽是演员所扮演，但发生在老人身 上的故事是真实的，老人多次独自缓慢行走，乏人关注。人们对儿童的捐助非常热情，但确是诈捐。 这样处理在内容上形成强烈地反差，更利于主题的揭示。 （每点2分，答出三点给6分。意思答对即可。如有其他答案，只要言之成理可酌情给分。） 9．（6分）【参考答案】①电视台原生态地呈现老人的故事，意在借一些人对老人需求的冷漠和对儿童募捐的热情形成对比，呼吁人们尊重和关注老年人群体。 ②引发人们主动思考：善念的关注对象，不应仅限于代表未来和希望的孩子，还应包括易于被忽视的 老年人群体。 ③儿童募捐诈骗的真相提醒人们表达善心时应有防范意识。 ④现实生活中，不少人怀有善心、善念，但善心、善念的表达不一定要通过特殊的契机和形式（比如 捐款）。很多时候，善行举手可为（比如帮扶老人）。 （每点2分，答出三点给6分。意思答对即可。如有其他答案，只要言之成理可酌情给分。） 二、古代诗文阅读(34分) 广东省2019届高三六校第一次联考试题 理科数学 一、选择题：本题共12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。 1.已知集合，，则（） A. B. C. D. 【答案】A 2.若复数满足，则的共轭复数的虚部为（） A. B. C. D. 【答案】C 3.记为等差数列的前项和，若，，则（） A. B. C. D. 【答案】D 4.在区间上随机取两个实数，记向量，，则的概率为（） A. B. C. D. 【答案】B 5.已知直线l的倾斜角为，直线与双曲线的左、右两支分别交于M、N两点，且都垂直于x轴（其中分别为双曲线C的左、右焦点），则该双曲线的离心率为( ) A. B. C. D. 【答案】D 6.在△中，为的中点，点满足，则 A. B. C. D. 【答案】A 7.某几何体的三视图如图所示，数量单位为，它的体积是（） A. B. C. D. 【答案】C 8.已知是函数的最大值，若存在实数使得对任意实数总有 成立，则的最小值为（） A. B. C. D. 【答案】B 9.定义在上的函数满足及，且在上有，则（） A. B. C. D. 【答案】D 10.抛物线上有一动弦，中点为，且弦的长度为，则点的纵坐标的最小值为（） A. B. C. D. 【答案】A 11.已知三棱锥中，，，，，且二面角的大小为， 则三棱锥外接球的表面积为（）A. B. C. D. 【答案】D 12.已知数列满足．设，为数列的前项和．若（常 数），，则的最小值是（） A. B. C. D. 【答案】C 二、填空题：本题共4小题，每小题5分，共20分。 13.若满足约束条件则的最大值为______________． 【答案】25 14.若，则的展开式中常数项为______________． 【答案】240 15.已知点及圆，一光线从点出发，经轴上一点反射后与圆相切于点，则 的值为______________． 【答案】 16.已知函数满足，则的单调递减区间是______________．【答案】(-1,3) 三、解答题：共70分。解答应写出文字说明、证明过程或演算步骤。第17～21题为必考题，每个试 题考生都必须作答。第22、23题为选考题，考生根据要求作答。 17.在△中，角，，的对边分别为，，，且． （1）求角； （2）若，，求△的面积． 【答案】(1)(2) 【解析】 【分析】 （1）利用余弦定理和正弦定理的边化角，化简已知等式；再根据两角和的正弦公式、诱导公式和三角形内角和定理，化简即可求出结果. （2）根据同角三角关系，确定和，利用两角和的正弦公式、三角形内角和定理和诱导公式，确定 广东省六校2020届高三第三次联考 语文参考答案 1．【答案】B 【解析】扩大范围，唐诗宋词可以流传至今的是一些典范作品。 2．【答案】B 【解析】主要采用“对比论证”手法，于文无据。 3．【答案】D 【解析】A项我们要继承的是先人“正面”的思维方式、生活态度和价值追求；B项诗歌“情志一也”；C项《梦游天姥吟留别》并没有讴歌现实美好的事物，也未积极关注民生和干预现实，文中也未提及。 4．【答案】D 【解析】材料四提到“类脑计算可以处理的任务越来越多，但是要看到这些任务都有严苛的先决条件。” 5．【答案】C 【解析】材料三是“预测2018-2020年中国人工智能芯片市场规模及增长情况”，C项把未然变已然。 6．【参考答案】 ①努力实现类脑芯片的两个突破，即突破传统“执行程序”计算范式的局限，形成“自主认知”的新范式和突破传统计算机体系结构的局限，实现数据并行传送、分布式处理，能够以极低功耗实时处理海量数据。②提高类脑芯片的任务性处理能力和算力水平。③降低神经元模拟的工艺与技术成本，找到可以代替晶体管的，属于类脑计算的新材料。④研究好适配类脑计算的架构、算法、编程方案等。⑤警惕类脑芯片虚假繁荣带来的危险。（每点2分，答出三点给6分。） 7．【答案】B 【解析】小说批判对老人的漠视，并没有表现“当下年轻人工作、学习忙碌”和“无暇顾及老人”的内容。 8．【参考答案】 ①与前文埋下的伏笔相呼应。上文中多处埋下伏笔，暗示老人身份的可疑，比如：（老人多次行走在同一条路上，却无目的地；老人行动极其艰难、缓慢，却一直无人陪同；老人行走的人行道，其狭窄程度并不符合生活真实；以及文中对老人行走动作和细节的刻画）等等，这样处理揭示了伏笔，照应了上文，使情节更符合艺术真实。 ②达到“出人意料之外，又在情理之中”的效果，造成情节的波澜。小说第⑦段交代老人是电视台邀请的演员所扮演是小说出人意料之处，但因上文多处埋下伏笔，所以这一情节并不显突兀，反而符合情理，这样处理，造成情节波澜起伏。 ③与下文“儿童募捐”在内容上形成对比，更利于揭示主题。老人虽是演员所扮演，但发生在老人身上的故事是真实的，老人多次独自缓慢行走，乏人关注。人们对儿童的捐助非常热情，但确是诈捐。这样处理在内容上形成强烈地反差，更利于主题的揭示。 （每点2分，答出三点给6分。意思答对即可。如有其他答案，只要言之成理可酌情给分。） 9．【参考答案】 ①电视台原生态地呈现老人的故事，意在借一些人对老人需求的冷漠和对儿童募捐的热情形成对比，呼吁人们尊重和关注老年人群体。 ②引发人们主动思考：善念的关注对象，不应仅限于代表未来和希望的孩子，还应包括易于被忽视的老年人群体。 ③儿童募捐诈骗的真相提醒人们表达善心时应有防范意识。 安徽六校2018届高三第二次联考数学（文） 一、选择题： 1.设复数z满足，则=（） A. 1 B. 5 C. D. 2 2．已知向量=(1,2)，向量=(3,-4)，则向量在向量方向上的投影为（） A. -2 B. -1 C. 0 D. 2 3. 已知集合则=（） A. R B. C. D. 4.已知变量x，y成负相关，且由观测数据算得样本平均数，则由该观测数据算得的线性回归方程可能是（） A. y=-0.4x+2.3 B. y=-2x+2.4 C. y=-2x+9.5 D. y=-0.4x+4.4 5.函数的大致图象为( ) A. B. C. D. 6.某几何体的三视图如下图，其正视图中的曲线部分为半圆，则该几何体的表面积为（）A．(19+π)cm2 B．(22+4π)cm2 C．(10+6+4π)cm2 D．(13+6+4π)cm2 7.若是数列的前n项和，,则是( ) A．等比数列，但不是等差数列 B.等差数列，但不是等比数列 C．等差数列，而且也是等比数列 D.既非等数列又非等差数列 8．已知MOD函数是一个求余函数，记MOD（m，n）表示m除以n的余数，例如MOD（8，3）=2．右图是某个算法的程序框图，若输入m的值为48时，则输出i的值为（） A. 7 B. 8 C. 9 D. 10 9.如图所示，水平地面上有一个大球，现作如下方法测量球的大小：用一个锐角为60°的三角板，斜边紧靠球面，一条直角边紧靠地面，并使三角板与地面垂直，P为三角板与球的切点，如果测得PA＝5，则球的表面积为（） A. 300π B. 100 C. 200π D. 200 10.若不等式组所表示的平面区域内存在点(x0，y0)，使x0＋ay0＋2≤0成立，则实数a的取值范围是（）． A. [-1，+∞） B. (-∞,-1] C. (-∞,1] D. [1, +∞) 11.《九章算术》是我国古代内容极为丰富的数学名著，书中将底面为 直角三角形的直棱柱称为堑堵，将底面为矩形的棱台称为刍童.在如图 所示的堑堵ABM-DCP与刍童ABCD-A1B1C1D1的组合体中AB =AD ,A1B1=A1D1．台体体积公式：，其中S’,S 分别为台体上、下底面面积，h为台体高.若AB=1,A1D1=2，， 三棱锥A-ABD的体积V=，则该组合体的体积为（）． A．11 3 B．17 3 C．2 3 D．5 3 12．，g(x)= ，若不论x2 取何值，f(x1)>g(x2 )对任意2019年广东省高职高考数学试卷
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安徽省六校教育研究会2020届高三第二次联考理综试题Word版含答案
理综试题
命题：合肥一六八中学
考试时间：150 分钟 分值：300 分
可能用到的相对原子质量：H：1 C：12 O：16 Cl：35.5 Cu：64
第Ⅰ卷 （选择题 共 126 分）
一 选择题（本题共 13 小题，每小题 6 分，共 78 分，每小题只有一个选项符合题意）
1.下列有关细胞器的说法正确的是（
）
A.核糖体是细菌、噬菌体、酵母菌唯一共有的细胞器
B.线粒体是进行有氧呼吸的主要场所，在其中生成的产物有丙酮酸、二氧化碳和水等
C.叶绿体是细胞进行光合作用的必需结构，其中含有少量 DNA 和 RNA
D.在植物细胞有丝分裂的末期，细胞中的高尔基体活动增强
2.下列有关生物科学研究方法的叙述正确的是（
）
A.卡尔文利用同位素示踪技术探明了 CO2 中的 C 在光合作用中的转移途径 B.摩尔根运用类比推理法证实了基因在染色体上
C.萨克斯通过对照实验证明光合作用的产物中有葡萄糖
D.赫尔希和蔡斯通过噬菌体侵染细菌的实验证明了 DNA 是主要的遗传物质
3.下列有关细胞的物质输入和输出的说法中正确的是（ ）
A.只有大分子物质才能通过胞吞或胞吐的方式进出细胞
B.同种离子进出所有细胞的跨膜运输方式是相同的
C.土壤板结会影响植物根部细胞转运某些离子的速率
D.当植物细胞内外存在浓度差时，细胞就会发生质壁分离或复原
4.某常染色体隐形遗传病在人群中发病率为 1%，色盲在男性中发病率为 7%，现有一对
表现正常的夫妇，妻子为该常染色体遗传病致病基因和色盲致病基因携带者。那么他们
所生男孩同时患上上述两种遗传病的概率是（
）
A.1/24
B.1/44
C.1/88
D.7/2200
5.自然种群的增长一般呈“S”型。假设某自然种群的数量为 N，环境容纳量为 K，S1-S5
是“S”型曲线上的 5 个点。根据下表所示数据，有关说法错误的是（
）
曲线上的点 S1 S2 S3 S4 S5
种群数量 20 50 100 150 180
（K-N）/K 0.90 0.75 0.50 0.25 0.10
A.该种群的 K 值为 200 B.S5 不是该种群的种内斗争最激烈的时刻 C.若该种群为蝗虫种群，则防治蝗虫应在 S3 之前 D.（K-N）/K 的比值越小，种群增长速率越小 6.小肠黏膜受到食物和胃酸的刺激会分泌促胰液素，促胰液素能作用于胰腺引起胰液分 泌。下列相关分析正确的是（ ）【英语】广东省六校2021届高三上学期第一次联考试题
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