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河北省石家庄市届高三教学质量检测英语试题

河北省石家庄市届高三教学质量检测英语试题
河北省石家庄市届高三教学质量检测英语试题

英语试题

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,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. £.

B. £.

C. £.

答案是B。

1. What will the woman read on the plane?

A. A magazine.

B. A newspaper.

C. A book.

2. When does the play begin?

A. At 7:30.

B. At 7:45.

C. At 7:00.

3. What sport did the woman do?

A. She played football.

B. She went running.

C. She played tennis.

4. What does the man think of his cat?

A. Quite lovely.

B. Very active.

C. Too old.

5. Where does the conversation take place?

A. At home,

B. In a school.

C. In a shop.

第二节(共15 小题;每小题分,满分分)

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. Why did Anna move out?

A. She didn’t want to live with others, B, She wanted to have a garden.

C, She missed her parents.

7. Where does Anna live now?

A. Near the school.

B. By the river.

C. By the park.

听第7 段材料, 回答第8. 9 题。

8. What are the speakers talking about?

A. A big sale.

B. A book signing event.

C. A new bookstore.

9. When will Peter Robbins arrive at the store?

A. At 2:15.

B. At 3:30.

C. At 1:45.

听第8 段材料, 回答第10 至12 题。

10. What does the man want to do first?

A. Buy Christmas gifts.

B. Take a ferry.

C. Do science experiments.

11. What place does the man show little interest in?

A. The Science Museum.

B. Ocean Park.

C.

Temple Street Night Market.

12. What does the man ask the woman in the end?

A. How she gets to school every day.

B. Where the most famous market lies.

C. Whether he can take the Star Ferry.

听第9 段材料, 回答第13 至16 题。

13. Where should the man go first?

A. To a hall. a classroom. C. To a meeting room.

14. What will the Director of the Studies talk about?

A. Student dormitories.

B. Social activities.

C. Different courses.

15. How long will the man stay in the hall?

A. 75 minutes.

B. 90 minutes.

C. 45 minutes.

16. How does the man feel about the test at first?

A. Annoyed.

B. Confident.

C. Nervous.

听第10 段材料,回答第17 至20 题。

17. Who organizes the Winter Festival?

A. Volunteers.

B. Businessmen.

C. The government.

18. What is special about the art exhibition?

A. There will be three opening nights.

B. The pictures are from local students.

C. It will be held in a town school.

19. What will be held in the Main Exhibition Hall?

A. A music talent show.

B. A fancy-dress party.

C. An art exhibition.

20. What is the purpose of the talk?

A. To compare the events of the festival.

B. To inform people of the festival.

C. To raise money for the festival.

第二部分阅读理解(共两节,满分40分)

第一节(共15小题;每小题2分,满分30分)

阅读下面短文,从每题所给的A、B、C 和D四个选项中,选出最佳选项, 并在答题卡上将该项涂黑。

A

Best Science Books of 2017

At its heart, science is about curiosity. So it stands to reason these books about science should make you examine your world more closely, and in doing so, give you a sense of wonder.

Big Chicken, by Maryn McKenna

Investigative journalist Maryn McKenna uses the modern industrial chicken as a window into how antibiotics(抗生素) transformed modern agriculture—for good and ill. She traces how animal antibiotics endanger human health, causing serious problems from antibiotic resistant stomach infections to UTIs. Recognizing that

Americans are going to continue to eat chicken no matter what, Mckernna suggests a way in which factory farming rids itself of its dependence on antibiotics.

Why Time Flies, by Alan Burdick

New Yorker staff writer Alan Burdick examines the greatest gift humanity has ever known: time. Time, he writes, appears to exist in two distinct forms. One is the standardized, objective kind found in clocks and watches; the other is our internal, biological sense of time, the one we measure in our cells, bodies and minds. But the closer he looks, the less clearer this distinction appears.

Paleoart, by Zoe Lescaze

Dinosaurs have long captured the imaginations of scientists and artists alike, and Paleoart brings those visions together in a blend of human knowledge and creativity.

These images not only show our changing understanding of dinosaurs,

but also reflect the distinct artistic sensibilities of their time. Both artistic and educational, these pictures are certainly influential.

What It’s Like to Be a Dog, by Gregory Berns

Berns, a neuroscientist, trained dogs to sit in a machine in order to look into the brains of conscious dogs for the first time. That pioneering work inspired him to dig deeper into the minds of other animals, from sea lions to the extinct thylacine (袋狼). Berns. says, “With their ability to think, choose and feel, dogs and other animals do not deserve the cruel treatment humans so often do to them.”

21. Which book has something to do with public health?

A. Why Time Flies.

B. Paleoart.

C. What It ’s Like to Be a Dog.

D. Big Chicken.

22. Who writes about time?

A. Alan Burdick.

B. Zoe Lescaze.

C. Gregory Berns.

D. Maryn Mckenna.

23. What was Berns’ pioneering work?

A. Studying extinct animals.

B. Observing dog brains.

C. Fighting for animal rights.

D. Training dogs.

B

I was in the middle of a sweet dream when a noise startled me. Bam! Bam! It sounded like a hammer pounding on a tough nail. Bam! Bam! BAM! Who could be hammering at three in

the morning? It must be Charlie again, making another invention.

Just as I was putting on my slippers and clothes, the noise changed.

I sat at the edge of my bed and listened. Tick! Tick! Tick! It reminded me of my first wristwatch. Its regular pace had always helped me fall asleep.

I started dozing off ,dangerously leaning to the left, when the ticking stopped. It was now replaced by a buzz, similar to the noise coming from a beehive in midsummer, only louder. I shivered. I’m allergic to bees ! Even just t thinking about it or hearing a bee like sound makes me swell.

“That’s it!”I shouted, now wide awake, “I can’t take it anymore!”

I marched to the next apartment and knocked. My neighbor immediately opened the door. His curly brown hair was sticking up every which way. He wore baggy striped pants and a loose raspberry shirt.

“Hi, there, Lucy! What’s up ?” he asked.

I pointed at my noiseless watch. “Do you know what time it is?”

He grabbed my arm and glanced at my timepiece. “Oh, my! I didn’t realize it was that late. I’m busy working on a machine that can cure insomnia(失眠). It’s almost finished. You want to see it?”

I should have known. His last invention was supposed to annihilate bad smells, but it was powered by rotten eggs.

24. What made the author sleepy again?

A. The ticking sound.

B. The coming of the bees.

C. The smell of the rotten eggs.

D. His neighbor’s silence.

25. What was Charlie doing?

A. He was inventing a wristwatch.

B. He was working with the bees.

C. He was making a new machine.

D. He was fixing a broken clock.

26. How did Charlie feel when he saw the author?

A. Scared.

B. Surprised.

C. Annoyed.

D. Disappointed.

27. What doses the underlined word “annihilate” in the last paragraph mean?

A. Make use of.

B. Give off.

C. Tell apart.

D. Get rid of.

C

After shopping for deals in stores on “Black Friday”, or online on “Cyber Monday”, Americans and people worldwide are preparing for newly popular “Giving Tuesday”. Starting in 2012, now the global event that is celebrated annually on the Tuesday after Thanksgiving is the brainchild of 92nd Street Y,a cultural center in New York City and the United Nations Foundation.

As the name indicates,

Giving Tuesday is meant to restart the charitable season and therefore observed by raising funds for local nonprofits and schools, organizing food and clothing drives, and conducting random acts of kindness. In 2015, 700,000 people from 71 countries came together to donate $ million in cash. An additional $ million was spent on gifts.

While the easiest way to participate is by donating to your

favorite charity, this day can be celebrated in many other ways too. You can give back by volunteering at your local shelter or food bank, or even by donating blood. If all else fails, a purchase from the growing number of organizations that give

a portion of their sales to charity will do the trick.

But perhaps the best way to celebrate the day is

those nearest and dearest to you. Assist a family member with a simple chore like folding laundry, cooking dinner, or even reading to a younger sibling. No matter what you do, be sure to share your good deed on social media and inspire others to celebrate Giving Tuesday as well!

28. Which of the following has the shortest history?

A. Giving Tuesday.

B. Black Friday.

C. Thanksgiving Day.

D. Cyber Monday.

29. What’s the main purpose of “Giving Tuesday”?

A. To make Thanksgiving Day enjoyable.

B. To encourage more people to do charities.

C. To get voluntary work better known.

D. To persuade more people to shop online.

30. Why does the author advise sharing good deeds on social?

A. To keep a record of one’s experience.

B. To help people make new friends.

C. To make Giving Tuesday more popular.

D. To donate money to local schools.

31. Which section of a website does the text probably come

A. Lifestyle.

B. Education.

C. Culture.

D. Business.

D

No spacecraft will ever land on the sun. The sun is a flaming ball of gas that reaches thousands of degrees Fahrenheit. But next year, a ship from Earth will fly closer to it than any man-made craft has flown before. The mission (任务) is a big development for scientists and, maybe, for everyone else.

In September 2018, NASA plans to launch the Parker Solar Probe. After a journey of nearly 90 million miles, it will fly within million miles of the sun. Within two months of launching, the probe is expected to reach the sun’s corona( 日冕). That’s the sun’s outer atmosphere of gases.

Getting there won’t be easy.

Designing a spacecraft tough enough to hold up to the sun’s heat has proved difficult. But that hasn’t stopped engineers from trying. Temperatures in the corona can reach millions of degrees.

The probe will limit itself to regions where things get no hotter than 2 ,500℉. That’s still a heavy heat load for a spacecraft. But a heat shield(罩)will protect the probe’s camera and scientific instruments.

NASA says the data the probe collects could provide knowledge into the phys ics of stars. Our sun is special to us. But as a star, it ’s rather common. So the better we understand how it works, the better we understand all stars of its mass and color.

Perhaps the most important is what the probe may show us about solar storm s. During solar storms, charged particles stream through the solar system. They can disable communications satellites and shut down power systemsOnestudy has found that a very intense solar storm

could cause up to $ 2 trillion in damage in the US alone. It could also black out the East Coast for a year.

Understanding solar storms might allow us to predict them ourselves. That could make even a mission with a billion-plus price tag one of NASA’s great bargains.

32. What can we learn about the probe?

A. It’s the first man-made instrument to fly to the sun.

B. It’ll get to the core of the sun in nearly two months.

C. It’ll fly about 3. 8 million miles to reach the corona,

D. It’ll fly closer to the sun than the previous ones.

33. What is the challenge for the engineers?

A. Reducing the temperature of the probe.

B. Building a shield against the heat.

C. Limiting the probe to proper regions.

D. Directing the probe to collect data.

34. What might be the best title?

A. Getting close to the sun.

B. Designing a spaceship.

C. Protecting the earth,

D. Exploring the start.

35. Where does the value of the mission lie?

A. Exploring solar energy.

B. Developing scientific instruments.

C. Forecasting solar storms.

D. Monitoring satellites.

第二节(共5小题;每小题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。

A daily multivitamin may give your well-being an extra benefit,

but if you’ve ever swallowed one and felt sick right after, you know it’s hardly a pleasant experience. 36

?You ’re taking vitamins on an empty stomach.

Vitamins that are more acid in nature, like vitamin C, may cause nausea (恶心) if they’re consumed on an empty stomach. Vitamins A, D, E and K, unlike some others, may be better absorbed when not taken with food.

?37

Vitamins are like medicines in that they can act on each other and other medicines you ’re taking. 38 Some research suggests that multivitamins could cause side effects when taken

at the same time estrogen (雌激素)levels are raised.素)

?There’s a lot of iron in your pill.

Multivitamins that contain a lot of iron or iron supplements themselves can cause nausea. This is especially true if you’re taking them outside of a meal. Iron is interesting in that it’s best absorbed on an empty stomach, but it ’s hardest to take on an empty stomach because of the nausea. 39 It might decrease the absorption a little but it’s better than nothing.

?Allergic Reaction Side Effects

Since multivitamins contain so many vitamins and minerals,

allergic reactions are certainly possible. Mild allergic reactions can include itchiness (痒) and a few hives (荨麻疹).40 Should you experience more advanced signs of an allergic reaction,such as trouble breathing, chest pain, widespread hives or a swollen facial region,visit the closest emergency room immediately.

The label on your vitamins should provide directions for taking them Check the information before taking it to see what else you should know.

A. You’re taking vitamins with other medicines.

B. Below are a few reasons why they may be making you ill.

C. It’s important to discuss with an expert the timing of these vitamins.

D. These stomach issues can be extremely disturbing.

E. It’s better to take it with food than trying to take it on an empty stomach.

F. If you experience these side effects,stop use and contact your doctor.

G. Please review the combinations to make sure there are no harmful interactions.

第三部分英语知识运用(共两节,满分45 分)

第一节完形填空(共20小题;每小题分,满分30分)

阅读下面短文,从短文后各题所给的A、B、C和D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项除黑。

One of the greatest concerts I ever attended never took place at quite,anyway.

Instead,a violent 41,which came pretty much out of nowhere on a summer night, left the Saratoga Performing Arts Center without electrical power. The 42 storm hit just minutes before the Philadelphia Orchestra (交响乐团) was about to take the 43 along with a guest soloist, the violinist Sarah Chang.

Forty-five minutes later,the audience were still 44,hoping power would be restored and the 45 would get under ’s when Chang 46 onto the stage, alone except for her 47 and a couple of stagehands equipped with flashlights to 48 her and her music.

The orchestra 49 backstage. But Chang began playing Fritz Kreisler’s Recitativo and Scherzo-Caprice. Maybe the rain was still pounding on the roof and 50 the grass. Maybe the thunder hadn’t died away 51 by distance. Chances are, though, no one 52 that night could tell you there was anything at all in the air except the 53.

The performance was 54, but it was delivered with both skill and grace—a sort of “ 55”card for the audience’s presence and applause was 56. then, several thousand music lovers 57 through pooling rainwater and 58 to their cars.

Maybe the story ends right the then-twenty-year-old musician’s 59 for the people coming to hear her music says something about the essential relationship between artist and Sarah Chang understood that when she offered her music as a 60 that night, without powered loudspeaker and in the near-darkness of a summer evening storm.

41. A. earthquake B. thunderstorm C. fire D. flood

42. A. unexpected B. regular C. uncertain D. global

43. A .action B. trouble C. stage D. chance

44. A. struggling B. waiting C. gathering D. shouting

45. A. rain B. dance C. sunlight D. concert

46. A. stepped B. jumped C. held D. climbed

47. A. conductor B. violin C. band D. piano

48. A. broadcast B. circle C. light D. admire

49. A. occupied B. hit C. worked D. remained

50. A. cleaning B. irrigating C. destroying D. flooding

51. A. yet B. ever C. just D. either

52. A. complaining B. performing C. listening D. screaming

53. A. lightning B. music C. cheering D. violinist

54. A. successful B. boring C. embarrassing D. brief

55. A. never mind B. don’t worry C. thank you D. all right

56. A. enthusiastic B. frequent C. permanent D. weak

57. A. traveled B. made their way C. looked D. lost their control

58. A. down B. out C. back D. away

59. A. analysis B. generosity C. tolerance D. respect

60. A. gift B. relief C. mercy D. trick

第三部分英语知识运用( 共两节, 满分45 分)

第二节(共10 小题;每小题1. 5 分, 满分15 分)

阅读下面短文, 在空白处填入1个适当的单词或括号内单词的正确形式。

When it comes to eating habits, China is a country we must mention. Unlike in the west, 61 everyone has their own plate of food, in China the dishes 62 (place) on the table and everybody shares. If you’re being treated by a Chinese host, be prepared for a ton of food.

While eating, the host serves food with public chopsticks to guests 63(show)his or her politeness. The appropriate thing to do is to eat the food and say how delicious it is. If you don’t like it, you can just say a police “thank you”, with the food 64(leave)there. But don’t stick your chopsticks upright in the rice bowl. If so, it’s very impolite 65 the host and seniors who are present at the table.

At dinner, if half of the fish is eaten up, a guest shouldn’t turn the fish over by saying “ fan”, which is 66 Chinese word for “turn over”, which is considered bad luck for 67 (fisherman)and their boats. The 68(separate)of the fish bone from the lower half of the flesh is usually done by the host or hostess. This is especially true is South China.

These tips above will be 69(extreme)useful when you visit China, an 70 (east)country with a long history.

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)

假如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。

When I was in high school,I wanted to get a scholarship to a university. I liked singing, so I try out for a scholarship for music. But I failed to get one. I was real upset. I felt like failure. I just kept feeling sorry for , after a few day, I decided not to let one single loss to keep me from doing what I love But I cheered up and devoted myself to sing think that accepting failure is that we need to do first before we success eventually.

第二节书面表达(满分25 分)

假定你是李华,目前在美国你校的友好学校Wilson High School 学习交流,将于下周一回国。请通过电子邮件给该校校长写一封感谢信。

注意.

1: 词数10左右;

2.可以适当增加细节,以使行文连贯;

Dear ,

Yours,

Li Hua

河北省石家庄2018届高三教学质量检测(二)

英语试题答案

听力(20×=30):

1—5 CBBCB 6—10 AABAC 11—15BCCCA 16—20 CABAB

阅读理解(15×2=30):

21—23 DAB 24—27 ACBD 28—31 ABCC 32—35 DBAC

七选五阅读填空(5×2=10):

36—40 BAGEF

完形填空(20×=30):

41—45 BACBD 46—50 ABCDD 51—55 ACBDC 56—60 ABCDA

语法填空(10×=15):

61. where 62. are placed 63. to show 64. left 65. to

66. the 67. fishermen 68. separation 69. extremely 70. eastern

短文改错(10×1=10):

When I was in high school, I wanted to get a scholarship to a university. I liked singing. So I try out for a

tried scholarship for music, but I failed to get one. I was real upset. I felt like ∧failure. I just kept feeling sorry for

really a

me. However, after a few day, I decided not to let one single loss to keep me from doing what I love. But I cheered

myself days So

up and devoted myself to sing again. I think that accepting failure is that we need to do first before we success

singing what succeed eventually.

书面表达(满分25分):

Dear Mr. Smith,

How time flies! I’m Li Hua, an exchange student from China visiting your school now. I’ve been here for several weeks and will be back home next Mo nday. I’m writing to extend my sincere thanks to you.

During my stay, I’ve learnt so much about your school. To my amazement, your school possesses great learning resources and excellent teachers. Thanks to your proper arrangements, I attended many classes of different subjects, learning much knowledge. Meanwhile, I established good relationship with some students in your school and got to know your culture at the same time.

I sincerely hope they can visit my school someday.

Thank you for your help and support again. Welcome to China.

Yours,

Li Hua

高三数学质量检测试题

山东师大附中2011届高三第七次质量检测 数学试题(文科) 1.本试卷分第Ⅰ卷和第Ⅱ卷两部分,共4页,满分150分,考试时间120分钟,考试结束后,将答题纸和答题卡一并交回. 2.第Ⅰ卷每小题选出答案后,用2B 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,再选涂其他答案标号;填空题请直接填写答案,解答题应写出文字说明,证明过程或演算步骤,在试卷上作答无效. 第Ⅰ卷(选择题,共60分) 一、选择题:本大题共12小题,每小题5分,共60分,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U={1,2,3,4},A={1},B={2,4},则() U C A B =( ) A. {1} B. {2,4} C. {2,3,4} D. {1,2,3,4} 2.复数1i z i = +在复平面内对应点位于( ) A. 第一象限 B. 第二象限 C. 第三象限 D. 第四象限 3.水平放置的正方体的六个面分别用“前面、后面、上面、下面、左 面、右面”表示,如图是一个正方体的表面展开图,若图中“努” 在正方体的后面,那么这个正方体的前面是( ) A. 定 B. 有 C. 收 D. 获 4.为积极倡导“学生每天锻炼一小时”的活动,某学校举 办了一次以班级为单位的广播操比赛,9位评委给高三.1 班打出的分数如茎叶图所示,统计员在去掉一个最高分 和一个最低分后,算得平均分为91,复核员在复核时, 发现有一个数字(茎叶图中的x )无法看清,若记分员计 算无误,则数字x 应该是( ) A. 2 B. 3 C. 4 D. 5 5. 函数()sin()f x A x ω?=+(其中π 0,||2 A ?>< )的图 象如图所示为了得到()f x 的图象,则只要将()sin 2g x x =的图像( ) A. 向右平移 π 12 个单位长度 B. 向右平移π6个单位长度 C. 向左平移π 12 个单位长度 D. 向左平移π6个单位长度 6. 已知函数2 ()2f x x bx =+的图象在点(0,(0))A f 处的切线L 与直线30x y -+=平行,若数列1()f n ? ?? ??? 的前n 项和为n S ,则2011S 的值为( )

山东省高三教学质量检测

20XX年中学测试 中 学 试 题 试 卷 科目: 年级: 考点: 监考老师: 日期:

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高三数学教学质量检测试题 作者:

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(m, n)共有 A . 1 个 B . 2个 C . 3个 D . 4 个 10.家电下乡政策是应对金融危机、积极扩大内需的重要举措 .我市某家电制造集团为 A.充分不必要条件 C.充要条件 B.必要不充分条件 D.既不充分也不必要条件 3.由1,2,3三个数字组成的无重复数字的两位数中 ,任取一个数,恰为偶数的概率是 1 A . B . 6 4.若i 是虚数单位,且复数z C .- (a i)(1 2i)为实数,则实数a 等于 A . 5.已知 B . 2 是不同的平面,m 、 C . 1 D . 2 2 n 是不同的直线,则下列命题不 正确的是 A .若 m ,m // n, n ,则 B .若 m // , n,则 m // n C .若 m // n , m ,则 n D .若 m ,m ,则 // 6.已知函数 f(x) 2,x x, x A . C .(, 1)U(1,) 7.如图,是函数y tan (-x 4 A . 4 B . 2 2 2 8 .若双曲线M 古 1(a 0, b 0)的一个焦点到一条渐近线的距离等于焦距的 1 ,则 4 该双曲线的离心率是 A . .5 B .上 2 9.已知函数y 2M 的定义域为 m, n (m, n 为整数),值域为 1,2 .则满足条件的整数数对

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【答案】C 【解析】 由偶函数排除A,B;由函数在区间上递增排除D,故答案为C. 5.两条直线a,b满足,,则a与平面的关系是 A. B. a与相交 C. a与不相交 D. 【答案】C 【解析】 【分析】 结合直线与平面平行的判定,判断结果,即可。 【详解】直线a可能在平面内,也可能与平面平行,故选C。 【点睛】考查了直线与平面平行的判定,难度较容易。 6.已知函数,若,则a的值是 A. B. 或 C. 或 D. 【答案】C 【解析】 【分析】 令每个函数解析式等于,计算参数,即可. 【详解】当,解得,当,解得,故选C. 【点睛】考查了分段函数值计算,关键利用每个分段函数都等于,计算结果,即可.难度较容易. 7.方程的实数解的个数为 A. 2 B. 3 C. 1 D. 4 【答案】A 【解析】 【分析】 结合题意,构造两个函数,绘制图像,将解的个数转化为函数交点个数,即可. 【详解】令,绘制这两个函数的函数图像,可得

高三第一次教学质量检测数学试题(理科)

—江苏省靖江市高三调研试卷 数 学 试 题(选物理方向) 第Ⅰ卷(必做题 共160分) 一、 填空题(每小题5分,14小题,共70分,把答案填在答题纸指定的横线上) 1.集合{3,2},{,},{2},a A B a b A B A B ====若则 ▲ . 2.“1x >”是“2x x >”的 ▲ 条件. 3.在△ABC 中,若(a +b +c )(b +c -a )=3bc ,则A 等于_____▲_______. 4.已知a >0,若平面内三点A (1,-a ),B (2,2a ),C (3,3a )共线,则a =___▲____. 5.已知21F F 、为椭圆 19 252 2=+y x 的两个焦点,过1F 的直线交椭圆于A 、B 两点,若1222=+B F A F ,则AB =_____▲_______. 6.设双曲线 22 1916 x y -=的右顶点为A ,右焦点为F .过点F 平行双曲线的一条渐近线的直线与双曲线交于点B ,则△AFB 的面积为 ▲ . 7.已知t 为常数,函数22y x x t =--在区间[0,3]上的最大值为2,则t=____▲____. 8.已知点P 在抛物线2 4y x =上,那么点P 到点(21)Q -,的距离与点P 到抛物线焦点距离之和取得最小值时,点P 的坐标为________▲______. 9.如图,已知球O 点面上四点A 、B 、C 、D ,DA ⊥平面ABC , AB ⊥BC ,DA=AB=BC=3,则球O 点体积等于_____▲______. 10.定义:区间)](,[2121x x x x <的长度为12x x -.已知函数| log |5.0x y =定义域为],[b a ,值域为]2,0[,则区间],[b a 的长度的最大值为 ▲ . 11.在平行四边形ABCD 中,AC 与BD 交于点O E , 是线段OD 中点,AE 的延长线与CD 交于点F .若AC =a ,BD =b ,则AF = _____ ▲_____. 12. 设 {} n a 是正项数列,其前n 项和n S 满足: 4(1)(3)n n n S a a =-+,则数列{}n a 的通项公式n a = ▲ . 13.若从点O 所作的两条射线OM 、ON 上分别有点1M 、2M 与点1N 、2N ,则三角形面积之比为: A B C D A

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