宁夏银川市兴庆区长庆高级中学2021届高三英语第五次月考试题

宁夏银川市兴庆区长庆高级中学2021届高三英语第五次月考试题

分值: 150分时间: 120分钟

第Ⅰ卷（三部分，共100分）

第一部分：听力（共两节，满分30分）

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。每段对话仅读一遍。

1. How much should the woman pay?

A. $7.

B. $8.

C. $10.

2. What does the man want to do?

A. Find a new sales plan.

B. Finish his other work tomorrow.

C. Postpone the meeting.

3. Why might the man be unable to attend the lecture?

A. He doesn’t have time.

B. He hasn’t got a ticket yet.

C. He’s not interested.

4. What does the man find difficult?

A. Taking instructions from the woman.

B. Putting together the folding table.

C. Fixing a toy train.

5. What does the plant probably need now?

A. More water.

B. Fresh air.

C. Enough sunshine.

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。每段对话或独白读两遍。

听第6段材料，回答第6、7题。

6. What is the woman doing?

A. Planning a holiday trip.

B. Learning festival customs.

C. Preparing holiday gifts.

7. When is Easter this year?

A. April 6th.

B. April 8th.

C. April 9th.

听第7段材料，回答第8、9题。

8. What is the woman looking for?

A. A knife.

B. Some food.

C. A cup.

9. What will the speakers probably have tonight?

A. Cabbages and carrots.

B. French fries and fried chicken.

C. Rice and tomato soup.

听第8段材料，回答第10至12题。

10. What might the man choose for subway travelling?

A. One-way tickets.

B. A seven-day pass.

C. A month pass.

11. What does the man want to visit in New York?

A. Museums.

B. Theaters.

C. Galleries.

12. What did the man study in college?

A. Architecture.

B. Art history.

C. Economics.

听第9段材料，回答第13至16题。

13. What is the relationship between the speakers?

A. Husband and wife.

B. Father and daughter.

C. Boss and employee.

14. Why hasn’t the woman kept practicing magic tricks?

A. She has lost interest.

B. She has been busy.

C. People don’t like her performance.

15. How did the woman probably feel at the party?

A. Proud.

B. Bored.

C. Embarrassed.

16. What is the woman going to do this afternoon?

A. Search on the Internet.

B. Go shopping.

C. Take a walk. 听第10段材料，回答第17至20题。

17. At which gate should the passengers for Pisa board?

A. Gate 23.

B. Gate 29.

C. Gate 32.

18. Why has the flight No. AF8728 to Riga been delayed?

A. The weather is bad.

B. The plane is under maintenance.

C. The plane needs to be refilled.

19. Where is the flight No. MON692 going?

A. Madrid.

B. Athens.

C. Lisbon.

20. When will the flight No. LH973 to Bonn take off?

A. At 11:05 a.m.

B. At 11:25 a.m.

C. At 11:30 a.m.

第二部分: 阅读理解 (共20小题，每小题2分，满分40分)

第一节（共15小题，每题2分，满分30分）

阅读下列短文，从每题所给的四个选项(A、B、C、D)中，选出最佳选项。

A

How did the ancient Chinese keep food warm in winter?

Facilities like electric rice cookers, microwaves, and electric kettles, make it easy for people to keep food warm and enjoy a comfortable winter. So how did Chinese people in ancient times keep food warm in winter without these? In fact, ancient Chinese people used their own methods of heat preservation as early as the Shang and Zhou dynasties.

●“Wen Ding”, ancient rice cooker

One of the major functions of an electric rice cooker is to keep food warm. The

“Wen Ding”, an ancient cooking container, served the same purpose, but instead of using electric energy, the ancient cooking container preserved heart by burning fuels like charcoal(木炭).

●“Ran Lu”, ancient small hot pot

The “Ran LU” is a small size cooking vessel(器皿) made of bronze, which can be divided into three parts. A charcoal stove forms the main structure, with a bottom tray to hold charcoal ashes, and a movable cup at the top. Some experts have concluded that the vessel’s structure suggests it may have been used as a small hot pot and that these vessels became popular in the Warring States Period(475—221 BC)

●“Bronze You”, ancient kettle

The Bronze You was one of the most common wine containers during the Shang and Zhou dynasties. The Bronze You can also be used to warm wine. For example, the Bronze You with beast mask design, unearthed in Jiangxi province, has an opening where charcoals could be placed. Just as people today can’t do without an electric kettle, the Bronze You allowed people to enjoy a hot drink.

●“Bronze Yan”, ancient steamer

Although the “Wen Ding” was effective at keeping food warm, the ancient Chinese people later found that its burning produced pollution. As a result, the “Bronze Yan ”was made with a two-tier structure and used to steam rice and other grains. After the Eastern Han Dynasty (AD 25-AD 220), further improvements to the“Bronze Yan” led to the modern-day steamer.

21. When did the “Ran Lu” become popular?

A. In the Zhou Dynasty.

B. In the Warring States Period.

C. In the Eastern Han dynasty.

D.In the Stone Age.

22. The “Bronze You”, unearthed in Jiangxi province, has an opening to

A. place charcoal

B. pour water

C. store wine

D. hold charcoal ashes

23. What is the unique advantage of the“Bronze Yan” ?

A. It is warm.

B. It is convenient.

C. It is environment-friendly.

D. It is useful.

B

I took a motor rickshaw to the train station in the city of Belapur. The driver didn’t speak much English, but understood “Belapur Railway Station”. I had my tabla, a traditional drum from India, my suitcase with my clothes and other essentials. The feeling of flying by cars in this little machine is: as if you are inside a box with tiny wheels, dashing through terrible traffic.

I arrived at the station safely, and took a heavy breath as I unloaded my baggage before the ticket office. It was the first time that I had taken a train in India.

I wanted to go to Tilak Nagar, where I was going to learn traditional vocal music. Standing in line, I counted at least 20 people staring at me. I bought my ticket, which was only 55 cents for a 20-minute train ride. The prices still blow me away.

When the train came after 15 minutes or so, I got on with all speed, as the train

only stops for a few seconds. The locals again stared at me. This was a train especially for local transport. After a while, a young man asked me if he could talk to me. He wanted to know if I was in a band. I stated no, but I love to play the tabla. Through the conversation I knew he was a student of engineering with his exams being tomorrow — I wished him good luck for the exams sincerely, as I know what it means to Indian students to get good marks on their exams. If students do not get good enough scores, job opportunities will be few in a highly-competitive environment.

The student I met helped me unload my luggage as the train reached Tilak Nagar Station. He shook my hand strongly and looked into my eyes with marks of genuine care and friendship, despite us meeting for only 20 minutes.

24. Which of the following best explains the author’s feeling of riding in a motor rickshaw?

A. Relaxed.

B. Excited.

C. Frightened.

D. Courageous.

25. Why did so many people stare at the author at the station?

A. Because he was carrying a strange instrument.

B. Because he was a foreigner to the local people.

C. Because his suitcase was too large for him.

D. Because he couldn’t understand what they said.

26. What do we know about the young man mentioned in the passage?

A. He wanted to learn to play tabla from the author.

B. He was a student on the way to a university.

C. He was a genuine and helpful university student.

D. He wished to find a job in Tilak Nagar.

27. What can be the best title for the text?

A. My First Train Travel in India

B. A Warm-hearted Indian Student I Met

C. I Learn to Play the Tabla in India

D. Traveling Is the Most Memorial Time

C

Exploration is about how we experience the geography. A geography education without actively learning how to explore places is as frustrating as teaching music lessons without sound. Besides that, exploration has the potential to be one of the most enjoyable and rewarding things we humans will ever do. It can be good for developing problem-solving, teamwork, social and other vital skills. Therefore, we should be given the opportunities to learn properly how to do it.

The sad reality is that millions of children are socially and geographically deprived(剥夺) of the opportunities. Their learning environments lack the diversity of places and experience-based opportunities that they need to develop well and as a result, they will not reach their full potential.

There is plenty of research showing that many children have little time and space to explore, play and learn outdoors. Perhaps most shockingly, Dirt is Good conducted a survey which found that three-quarters of UK children spend less time outside than prisoners, that the amount of time children spend playing in natural places has decreased and that a fifth of children do not play outside on an average day.

There are a large number of good and complex reasons why parents do not let their children play (and so learn) outdoors and not overcoming these barriers comes with its own risks. Changing the parenting cultures that are overly limiting many children’s freedom will potentially need efforts of generation after generation.

Partially as a response to this situation, an increasing number of doctors are providing social prescriptions(处方). Instead of being offered medicine for mental or physical illness, young patients are being prescribed time with nature, volunteering, doing sports or some other activities instead.

Teachers are, in many ways, in a better position to provide time and space for children to benefit from experiences that help them not only to learn, but also to be well. Teachers can spare both formal and informal time and space for exploration that helps not only children who are ill, but also those who are well.

28. What does paragraph 1 mainly talk about?

A.The way to reach full potential.

B.The methods of doing exploration.

C. The importance of doing exploration.

D. The different attitudes to exploration.

29. What can we learn from the survey of Dirt is Good?

A. Prisoners in the UK are treated very well.

B. There aren’t enough natural places in many countries.

C. Children are becoming less outgoing nowadays.

D. Children are badly in need of outdoor time.

30. What do we know about the process of changing the parenting cultures ?

A. It’s interesting but tiring.

B. It’s complex and risky.

C. It’s challenging but worthwhile.

D. It’s troublesome and demanding.

31. What does the author want to say by mentioning social prescriptions?

A. Traditional medicines may have side effects.

B. Playing outside can promote people’s health.

C. Experienced doctors are in short supply.

D. Mental illness needs special treatment.

D

Every year from March to October, Christian Moullec, also known as “Birdman,”takes to the skies aboard his adapted light aircraft. However, the 58-year-old Frenchman’s daily 30-minute flight is not just to enjoy the impressive views, but to guide flocks (鸟群) of lesser white-fronted geese (小白额雁) through safe migration paths which the birds can teach future generations.

His deed began in 1995 when he noticed their declining population in the wilds of Lapland, Sweden. To prevent their numbers from dropping further, Moullec tried to get the threatened species to follow him along migration routes that would protect them from bird hunters.

However, getting grown geese to follow his lead proved challenging. As young geese imitate and follow whomever they view as their parent, Moullec decided to raise the geese from birth.

To help raise funds and awareness of his job to protect not just the geese but birds worldwide, Moullec often allows paying tourists to join him on the

30-minute-long flights aboard his aircraft. In addition to the trained birds flying alongside them, visitors, who come from as far as a 15-hour plane flight away, are treated to a variety of crane and geese species as well as breathtaking views of castles and cities.

He often brings his camera along for the flights, capturing photos not just for their beauty, but for what they describe. Moullec believes the use of agricultural chemicals has done harm to wild European birds, with more than a third disappearing in the last 30 years. “It's a disaster,” he said. “My beautiful images with flying birds should be used to tell this story. ”

32.Why does “Birdman” always fly to the sky on his aircraft?

A. To guide geese fly safely during the migration.

B. To follow geese through safe migration paths.

C. To take visitors to operate his adapted aircraft.

D. To observe geese along their migration routes.

33.What do we know about “Birdman”?

A. He is a nature lover.

B. He is a bird watcher.

C. He is a volunteer pilot.

D. He is a bird hunter.

34. What does Moullec often take photos in his flights for?

A. Recording the use of agricultural chemicals.

B. Showing serious damage caused by chemicals.

C. Describing his experiences with flying birds.

D. Capturing the beautiful views of birds and cities.

35. What can be a suitable title for the text?

A. Birdman Guides Flocks to Learn to Fly.

B. Birdman Finds Birds Disappearing.

C. Birdman Protects Birds From Hunters.

D. Birdman Helps Flocks Safely Migrate.

第二节（共5小题，每题2分，满分10分）

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

In an online class, developing healthy patterns of communication with professors is very important. ___36___. While I have only listed two of each, there are obviously many other situations that can arise. Students should be able to extend the logic(逻辑) of each to their particular circumstance.

Do’s

? ___37___. Questions about subject content are generally welcomed. Before asking questions about the course design, read the syllabus(教学大纲) and learning management system information to be sure the answer isn’t hiding in plain sight.

? Participate in discussion forums(论坛), blogs and other open-ended forums for dialogue. ___38___. Be sure to stay on topic and not offer irrelevant information. Make a point, and make it safe for others to do the same.

Don’ts

? Don’t share personal information or stories. Professors are not trained

nurses, financial aid experts or your best friends. If you are in need of a deadline extension, simply explain the situation to the professor. ___39___.

? Don’t openly express annoyance at a professor or class. ___40___. When a student attacks a professor on the social media, the language used actually says more about the student. If there is truly a concern about a professor’s professionalism or ability, be sure to use online course evaluations to calmly offer your comments.

A.Everyone has taken a not-so-great class at one time or another.

B. Turn to an online instructor for help.

C. That’s what they are for.

D. Remember that online professors get a lot of emails.

E. Below are some common do’s and don’ts for online learners.

F. Ask questions, but make sure they are good, thoughtful questions.

G. If more information is needed, they will ask.

第三部分: 英语知识运用 (共两节，满分45分)

第一节完型填空（共20小题；每小题1.5分，满分30分）

阅读下面短文，从短文后各题所给的四个选项(A、B、C和D)中选出可以填入空白处的最佳选项

When most of us get a text message on our cell phone from an unknown person, we usually say “sorry, __41__ number!” and move on. But when Dennis Williams __42__ a text that clearly wasn’t intended for him, he did something __43__.

On March 19, Dennis got a group text __44__ him that a couple he didn’t know were at the hospital, waiting for the __45__ of a baby.

“Congratulations! But I think someone was mistaken,” Dennis __46__ . The baby was born and update texts were __47__ quickly from the overjoyed grandmother, Teresa. In her __48__ , she didn’t seem to realize that she was __49__ the baby’s photos with a complete stranger. ” Well, I don’t __50__ you all but I will get there to take pictures with the baby,” replied Dennis before asking which room the new __51__ were in.

Much to the family’s surprise, Dennis stuck to his __52__! He turned up at the hospital __53__ gifts for the new mother Lindsey and her baby boy. Lindsey’s husband was totally __54__ by the unexpected visit. “I don’t think we would have randomly invited him over but we __55__ it and the gifts.”

Teresa __56__ a photo of the chance meeting on a social networking website __57__ by the touching words: “What a __58__ this young man was to our family! He was so __59__ and kind to do this.” The post has since gained the __60__ of social media users all over the world, receiving more than 184,000 shares and 61,500 likes in

just three days.

41. A. unlucky B. secret C.wrong D. new

42. A. translated B. received C. copied D. printed

43. A. special B. reasonable C. necessary D. practical

44. A. convincing B. reminding C. warning D. informing

45. A. wake-up B. recovery C. arrival D. growth

46. A. interrupted B. responded C. predicted D. repeated

47. A. setting out B. coming in C. passing down D. moving around

48. A. opinion B. anxiety C. effort D. excitement

49. A. comparing B. exchanging C. sharing D. discussing

50. A. know B. accept C. believe D. bother

51. A. doctors B. parents C. patients D. visitors

52. A. promise B. dream C. agenda D. principle

53. A. collecting B. bearing C. opening D. making

54. A. discouraged B. relaxed C. defeated D. astonished

55. A. admit B. need C. expect D. appreciate

56. A. found B. selected C. posted D. developed

57. A. confirmed B. simplified C. accompanied D. clarified

58. A. blessing B. pity C. relief D. problem

59. A. smart B. calm C. fair D.sweet

60. A. attention B. sympathy C. control D. trust

第II卷（满分50分）

第二节：语法填空（共10小题；每小题1.5分，满分15分）

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

According to a recent survey, violence did exist in schools. Students showed their fear and parents and teachers also 61.__________ (express) their great concern about it. Experts hope the whole society pay more attention to the mental health of 62.__________ (adolescent).

Nowadays, school violence is a hot issue. I think this is a phenomenon, 63.__________calls for our great concern. We should make every effort to prevent violence 64.__________ (happen) at school, for more and more students would drop out of school if their personal safety could not 65.__________ (guarantee). In fact, violence can be learned. Children learn violence behavior from adults or from 66.__________they see on television or on the internet.

If I meet with school violence, I will not answer violence 67.__________ violence, for it will result in 68.__________ (much) fighting. I will tell my teachers or

parents about it. I think they will help me deal with it well and I will be protected from the bad guys.

All in all, every student should behave 69.__________ (self) and keep away 70.__________ violence.

第四部分: 写作(共两节, 满分35分)

第一节：短文改错（共10小题；每小题1分，满分10分）

假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（＼）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1. 每处错误及其修改均仅限一词；

2. 只允许修改10处，多者（从第11处起）不计分。

I have learned that volunteers for Beijing 2022 Winter Olympic Games is needed. I’m writing to apply to this position. As a native of Beijing, I think it is a privilege and duty for me to offer the best voluntary service to our foreign guests and meanwhile promoting Chinese culture. I believe I’m equally to the job. I have good command of English and I’m confident in giving players guidance and help as requiring. What’s more, I have a knowledge of winter sports, which they will prove helpful in communicating with players. However, I have been involved in several international exchange programs, but enjoy spreading our culture to foreigners.

I would appreciate it if you could offer me the opportunities. Thank you for your time and consideration.

第二节书面表达（满分25分）

假如你是李华，你想利用周末时间提高自己的英语水平，请按照以下要点给外教Bruce 写一封信，内容包括：

1.描述你当前的英语学习状况

2.请他就如何提高英语水平提出建议

3.表达感激之情

注意：1.词数100左右；2.可适当增加细节，以使行文连贯。

_______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________

答案

一、听力：1—5 ACBBC 6—10 ABACB 11—15 ABABC 16—20 ACBCC

二、阅读：21—23 BAC 24-27 DBCA 28-31 CDCB 32-35 AABD 36-40 EFCGA

三、完型：41-45 CBADC 46-50 BBDCA 51-55 BABDD 56-60 CCADA

四、语法填空：61. expressed 62. adolescents 63. which

64. happening / from happening 65. be guaranteed 66. what 67. with

68. more 69. himself 70. from

五、改错：

1. is → are

2. to → for

3. promoting → promote

4. equally → equal

5. good前加a

6. requiring → required

7.去掉they

8. However → Besides/Moreover/Furthermore/Additionally

9. but → and

10. opportunities → opportunity

六、作文：（参考范文）

Dear Bruce,

I am Li Hua. Recently, I have had some trouble with English study and would like

to take advantage of the weekends to get some improvements.

To begin with, it seems out of my reach to catch what my English teacher says in

class due to my limited English vocabulary. What makes the things worse is that my

pronunciation is so inaccurate that I can hardly pronounce many words

correctly/accurately. Consequently/As a consequence, I seldom speak English in

front of others, let alone practice it with native speakers.

Although I’ve spared no effort and spent extra time on English every day, I still

find it challenging to figure out a solution on my own. I would appreciate it if

you would give me some suggestions on how to improve it and it would be better if

you can assist me in person.

Looking forward to your reply at your earliest convenience.

Yours,

Li Hua

宁夏银川市第一中学2019-2020学年高一期末考试数学试卷

数 学 试 卷 一、选择题(每小题5分，共60分) 1．下列四个命题：①若a b >，则 11a b <；②若ab c >，则c a b >；③若a b >，则22a b c c >；④若a b >，c d >，则a c b d ->-．其中真命题的个数是（ ） A ．1个 B ．2个 C ．3个 D ．4个 2．设实数x ,y 满足约束条件?? ? ??≥≥≤-+000623y x y x ，则y x z -=的取值范围是( ) A ．[－3，0] B ．[－3，2] C ．[0，2] D ．[0，3] 3．已知数列{}n a 满足212n n n a a a +++=（*n N ∈）,且3 2a =，58a =，则7a =（ ） A ．12 B ．13 C ．14 D ．15 4．《算法统宗》中有这样一个问题：“三百七十八里关，初行健步不为难，次日脚痛减一半，六朝才得至其关，要见次日行里数，请公仔细算相还。”其意思为有一个人走378里路，第一天健步行走，从第二天起脚痛，每天走的路程为前一天的一半，走了6天后到达目的地，请问第二天走了多少里？（ ） A. 96 B. 48 C. 192 D. 24 5．在正项等比数列{}n a 中，374a a =，数列{}2log n a 的前9项之和为（ ） A ．11 B ．9 C ．15 D ．13 6．下列函数的最小值为2的是（ ） A. x x y 1+= B. )20(sin 1sin π <<+=x x x y C. 2 1222++ +=x x y D. )20(tan 1tan π <<+ =x x x y 7．设数列{}n a 前n 项和为n S ，已知3=-n n S a n ，则3=a （ ） A ．9 8 B ． 158 C ． 198 D ． 278

2019-2020学年宁夏银川市兴庆区长庆高级中学高二上学期期中考试化学试卷

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2020届宁夏六盘山高级中学高三下学期第一次模拟考试数学(理)试题(解析版)

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5. 若双曲线()0,01:22 22>>=-b a b y a x C 的离心率为5，则其渐近线方程为（ ） A. x y 2±= B. x y 2±= C. x y 21± = D. x y 22±= 6. 已知△ABC 的三个内角C B A ,,所对的边分别为c b a ,,，若5 sin sin 2 b A B =， 且()()04=+---+ c b a b c a ，则△ABC 的面积=S ( ) A. 23 B. 2 C. 4 D. 3 7. 《算法统宗》是我国古代数学名著，有明代数学家程大位所著.该著作完善了珠算口诀，确立了算盘用 法，完成了有筹算到珠算的转变，对我国民间普及珠算起到了重要的作用.如图所示的程序框图的算法思路源于该著作中的“李白沽酒”问题.执行该程序框图，若输入的a 的值为4，则输出的m 的值为（ ） A. 11 B. 19 C. 35 D. 25 8. 琴、棋、书、画、诗、酒、花、茶被称为中国传统八雅.为弘扬中国传统文化，某校在周末学生业余兴 趣活动中开展了“八雅”知识讲座，每雅安排一节，连排八节.则“琴”“棋”“书”“画”互不相邻的概率为( ) A. 701 B. 352 C. 141 D. 8 1 9. 已知底面为长方形的四棱锥ABCD P -中，⊥PA 平面ABCD ，42==PA BC ，3=AB ，E 为PD 中点，则异面直线AE 与BD 所成角的余弦值为（ ） A. 53 B. 5 2 C. 2556 D. 2558 10. 已知函数()()()0sin 2>++=ω?ωb x x f ，??? ??-=??? ??+x f x f 88ππ，且58=??? ??πf ，则=b （ ） A. 3或7 B. 3 C. 5 D. 5或8

宁夏回族自治区银川市第一中学等比数列经典例题

一、等比数列选择题 1．已知等比数列{}n a 中，n S 是其前n 项和，且5312a a a +=，则4 2 S S =（ ） A ．76 B ．32 C ． 2132 D ． 14 2．设{a n }是等比数列，若a 1 + a 2 + a 3 =1，a 2 + a 3 + a 4 =2，则 a 6 + a 7 + a 8 =（ ） A ．6 B ．16 C ．32 D ．64 3．若1，a ，4成等比数列，则a =（ ） A ．1 B ．2± C ．2 D ．2- 4．中国古代数学著作《算法统宗》中有这样一个问题：“三百七十八里关，初行健步不为难，次日脚痛减一半，六朝才得到其关，要见次日行里数，请公仔细算相还.”你的计算结果是（ ） A ．80里 B ．86里 C ．90里 D ．96里 5．在3和81之间插入2个数，使这4个数成等比数列，则公比q 为（ ） A ．2± B ．2 C ．3± D ．3 6 ． 12 与1 2的等比中项是（ ） A ．－1 B ．1 C ． 2 D ．2 ± 7．已知等比数列{}n a 的前n 项和为n S ，若2 13a a =，且数列{}13n S a -也为等比数列，则 n a 的表达式为（ ） A ．12n n a ??= ??? B ．1 12n n a +??= ??? C ．23n n a ??= ??? D ．1 23n n a +??= ??? 8．各项为正数的等比数列{}n a ，478a a ?=，则2122210log log log a a a +++=（ ） A ．15 B ．10 C ．5 D ．3 9．数列{}n a 是等比数列，54a =，916a =，则7a =（ ） A ．8 B ．8± C ．8- D ．1 10．在数列{}n a 中，32a =，12n n a a +=，则5a =（ ） A ．32 B ．16 C ．8 D ．4 11．已知等比数列{}n a 的前n 项和为n S ，若123 111 2a a a ++=，22a =，则3S =（ ） A ．8 B ．7 C ．6 D ．4

宁夏长庆高级中学2020-2021学年高一期中考试地理试卷 Word版含答案

宁夏长庆高级中学2020～2021～1期中考试地理试卷 一、 选择题 （本题共计30小题，每题2分，共计60分 ） 《流浪地球》讲述了地球因太阳“氦闪”而被迫逃离太阳系寻找新家园的故事。“流浪地球”计划分为三步：第一步，中止地球自转。第二步，将地球推入土星轨道，借助土星引力，弹射出太阳系。第三步，地球经历2500年的星际流浪，抵达新家园。图为“地球流浪过程示意图”。据此回答1～2题。 1．如果地球搬家的第一步成功，地球上存在生命的条件将被严重影响的是 A ．安全的宇宙环境 B ．适宜的温度范围 C ．适中的日地距离 D ．稳定的太阳光照 2．地球抵达新家园，所处的天体系统是 A ．地月系 B ．太阳系 C ．河外星系 D ．银河系 3．北斗卫星导航系统（BDS ）是中国自行研制的全球卫星导航系统，是继GPS 、GLONASS 之后第三个成熟的卫星导航系统，是联合国卫星导航委员会已认定的供应商。2019年9月23日5时10分，我国在西昌卫星发射中心用长征三号乙运载火箭，以“一箭双星”方式成功发射第四十七、四十八颗北斗导航卫星。下列说法正确的是 A ．等待发射的北斗导航卫星属于天体 B ．北斗导航卫星是自然天体 C ．北斗导航卫星发射成功后在既定轨道运行时属于天体 D ．北斗导航卫星属于天体中的行星 4．凌日是指地内行星（运行轨道在地球轨道和太阳之间的行星）在绕日运行时恰好处在太阳和地球之间，且当其与太阳、地球排成一条直线时，就会发生凌日现象﹣﹣地球上的观测者可看到日面上有一个小黑点缓慢移动。北京时间2012年6月6日6时10分，金星凌日开始上演，全程长达6个多小时。我国绝大部分地区均可观测。如果从火星上观测，不可以形成“凌日”现象的是 A ．木星 B ．金星 C ．水星 D ．地球 5．下列关于八大行星的说法，正确的是 A ．与地球相邻的是火星和木星 B ．与地球相邻的都是类地行星 C ．八大行星绕日公转的方向和周期都相同 D ．从结构特征看，木星、天王星都是行星且轨道相邻 2016年6月19日，美国国家科学院预言：在2020年的某一天，美国南部的一些城市，在五彩斑斓的极光光幕过后，电网会突然变得闪烁不定，灯光在瞬时明亮后将会停电，一分半钟之后，停电现象将会遍及美国整个东部地区，甚至整个欧洲以及中国、日本等区域也会同样经历这样的灾难，而这场灾难仅仅因为太阳打了一个强烈的“喷嚏”。据此回答6～7题。 6．材料中所述的太阳打了个强烈的“喷嚏”极有可能是 A ．太阳爆炸 B ．太阳耀斑爆发 C ．太阳辐射增强 D ．太阳辐射减弱 7．下列现象受此活动影响不大的是 A ．甲 B. 乙 C. 丙 D. 丁 据中国天文科普网报道：预测在2030～2040年，太阳黑子的数目将减少，标志着太阳活动将减弱。读太阳结构示意图，完成8～9题。 8．黑子发生在 A ．日核 B ．① 层 C ．②层 D ．③层 9．预测在2030～2040年，地球上可能发生的现象是 A ．全球自然灾害增多 B ．无线电通信受到的干扰增加 C ．北京地区上空出现极光现象 D ．地球磁场受到干扰的频率减少 10．某地理兴趣小组在当天21：00观测北极星，第二天再观测到北极星在同一位置应该是什么时间 A ．21时 B ．20时3分56秒 C ．20时56分4秒 D ．21时56分4秒 2017年诺贝尔生理学和医学奖授予杰弗里?霍尔、迈克尔?罗斯巴什和迈克尔?杨，以表彰他们发现了生物体昼夜节律的分子机制。“熬夜党”请对自己好一点，生物钟一旦紊乱了想恢复，大脑需要1周、肝脏肠胃则需要两周。不仅如此，多动症、抑郁症、代谢性疾病、生殖健康都与生物节律有关。据此回答11题 11．太阳系中构成以太阳日为基础的生命节律，一个太阳日的时间为 A ．23时56分4秒 B ．365日6时9分10秒 C ．24小时 D ．365日5时48分46秒 2014年3月29日的“地球一小时”熄灯活动，是由世界自然基金会发起应对气候变化、倡导节约能源的集体行动。图中①②③是甲乙丙丁四地两分两至日的正午太阳光线。据此回答12～13题。 12．若活动时间是当地20：30～21：30，下列四城市中最早和最晚熄灯的分别是 A ．乙和甲 B ．甲和丁 C ．乙和丙 D ．丙和丁