河北省衡水中学2018年高三下学期期初试卷

河北省衡水中学2018年高三下学期期初试卷
河北省衡水中学2018年高三下学期期初试卷

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。录音内容结束后,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。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 did the taxi arrive?

A. At 7:10.

B. At 7:25.

C. At 7:45.

2. How is Frank getting on with his project?

A. Very poorly.

B. Quite smoothly.

C. Just so-so.

3. Where does the conversation probably take place?

A. In a bank.

B. In a shop.

C. In a restaurant.

4. What are the speakers talking about?

A. A website.

B. A PPT.

C. Some photos.

5. What will the man do?

A. Go to the party.

B. Watch a DVD.

C. Attend his brother.

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。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. What is the probable relationship between the speakers?

A. Boss and employee.

B. Husband and wife.

C. Colleagues.

7. Why does Dave go to Seattle?

A. To get a new job.

B. To look after his daughter.

C. To attend a party.

听第7段材料,回答第8、9题。

8. What are the speakers talking about?

A. Taking a test.

B. Learning a language.

C. Having a holiday.

9. What does the woman suggest the man do?

A. Ask for help.

B. Practice listening.

C. Manage it himself.

听第8段材料,回答第10至12题。

10. What did the man dislike about the restaurant?

A. The food.

B. The service.

C. The price.

11. Why didn’t the man buy anything?

A. He was short of money.

B. He was too tired.

C. He was not free.

12. What will the woman probably do this weekend?

A. Go shopping.

B. Visit a museum.

C. Finish her design.

听第9段材料,回答第13至16题。

13. What do the speakers have in common?

A. Both like boats.

B. Both study abroad.

C. Both like particular food.

14. Why did the woman choose this university?

A. To major in law.

B. To study art.

C. To become an engineer.

15. When did the man come to the university?

A. In 2015.

B. In 2014.

C. In 2013.

16. What do they do with homesickness?

A. Make an adventure.

B. Go to the beach.

C. Explore the local culture. 听第10段材料,回答第17至20题。

17. How many children does the speaker’s family have?

A. 4.

B. 5.

C. 6.

18. How did the speaker study at home?

A. By reading books.

B. By watching videos.

C. By surfing the Internet.

19. What does the speaker think of her home-schooling?

A. Strange.

B. Challenging.

C. Enjoyable.

20. What is the speaker doing?

A. Introducing her father.

B. Sharing her education.

C. Recalling her childhood. 第二部分阅读理解(共两节,满分利分)

第一节(共15小题;每小题2分,满分30分)

阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。

A

What Is Rising New York Road Runners?

Rising New York Road Runners, the NYRR’s new youth program and events platform? is built to develop movement skills in kids through a mix of running and fitness activities. The program is designed to help kids build their confidence, their motivation, and their desire to be physically active for life.

Rising New York Road Runners serves kids in NYC and nationwide, from pre-K to the 12th grade.

How Does It Work?

Rising New York Road Runners’ curriculum is bas ed on the latest athletic research, on the concepts of physical literacy (体能知识) and long-term athlete development. Any person can achieve physical literacy; it just takes the right environment to develop the confidence and motivation needed for long-term success.

Programs in Schools

? Research-based curriculum

? Admission to world-class events

? Rewards for kids as they reach milestones

? Rewards, support, and training for Program Leads

In the 2016-2017 school year, New York Road Runners youth programs served 267,000 youths in more than 1,500 sites across the United States. Our goal is to serve even more kids in the 2017—2018 school year.

Interested in Applying?

Visit our application page and sign up to bring Rising New York Road Runners to your school, community center, or after-school program.

Youth Events

Rising New York Road Runners youth events are 100% free and are organized into three stages based on the level of physical activity, competitiveness, and the age of the participants. This means youths participate in the events most appropriate for their skill level.

To learn more about what stage is appropriate for your child and to see a list of upcoming events, please visit this page.

21. What is the purpose of the youth events?

A. To serve kids across the world.

B. To help children live an active life.

C. To train professional young athletes.

D. To provide a platform for young players.

22. What opportunity might a participant get?

A. To participate in an athletic research.

B. To volunteer in American schools.

C. To present prizes to excellent kids.

D. To compete in international events.

23. What is a standard of choosing the stages of the youth events?

A. Children’s height.

B. Participants’ grade.

C. Participants’ age.

D. T he youth’s reaction ability.

B

On Saturday morning I along with 15 or so others, boarded a fishing boat. But we weren’t out for the fish. We were looking for seabirds.

“We’ll see a Cook’s petrel (黑脚圆尾鹱) today,” I predicted, feeling confident. Not that I ha d a good reason to be: only one Cook’s petrel has ever been officially recorded in these waters.

Twenty minutes later, a Cook’s petrel came just as I expected. Thrilled at its sudden appearance, we hurried to take photos and lowered our voice for fear that the bird should be frightened away. Within a minute, the bird was gone. It turned out to be one of the few highlights of an otherwise surprisingly quiet day, but I live for moments like this. For a few hours, I was in my happy place.

Along with music, birds have been what I am crazy about. It started when I was eight. Memories get vague here, and possibly unreliable, hut the first flash was a chance sighting of a kingfisher (翠鸟) on the Ovens river, a few meters from where my father actually was fishing. My interest in birds was aroused.

For me, watching birds-or birding, to use the more active verb—was and still is an escape and a harbor. Earlier this year, a study by University of Exeter found that it was associated with lower levels of anxiety and depression, conditions with which I am unfortunately all too familiar.

And yes, I’m a bird lover. I once flew to Perth to see Australia’s second red-legged water bird, only to find it had been eaten by a cat. That’s birding-things don’t always happen on cue like that Cook’s petrel. But it’s not about the numbers. Whether it’s on my block or out to sea, I prefer to think that I don’t find the birds; they find me: in that happy place.

24. How did the author feel about the appearance of the Cook s petrel?

A. Surprised.

B. Excited.

C. Common.

D. Frightened.

25. What made the author interested in birds?

A. His experience on the sea.

B. His father’s influence.

C. A bird-watching tour.

D. An accidental sight of a bird.

26. How does the author benefit from birdwatching?

A. He can get peace from it.

B. He’s been on several free tours.

C. He’s become famous for bird study.

D. He was admitted to University of Exeter.

27. What does the underlined part “on cue” in the last paragraph mean?

A. Under no circumstance.

B. As usual.

C. As expected.

D. Now and then.

C

Watching the beautiful fireworks is a joyful experience. However, over ten million blind Americans and more around the globe have never been able to experience this joy. Fortunately, Feeling Fireworks or tactile (触觉的) fireworks invented by the scientists in Switzerland may change that soon.

To experience the show, users stand in front of a large, 2.9 by 2.9 feet, flexible screen, which is made of a special material. They then place their hands at the base of the screen and move them around to feel the fireworks. Alternatively, their hands can be situated in the center of the screen, where the initial explosions happen, and then moved across to explore other fireworks.

As the fireworks begin to explode, one of five nozzles (喷嘴) at the back of the screen starts to spray water, creating “a beautiful fireworks show”. One specializes in the “blooming flower effect”, while another reproduces the “crackle” effect. The rest take care of rockets and explosions. A computer controls the timing, while a camera tracks the person’s movement. According to the inventors, Feeling Fireworks allows users to experience “tactile fireworks that are similar to physical fireworks happening in the sky”.

A screen displaying the vivid images created by the water jets makes the tactile experience fun for everyone. Paul Beardsley, who led the research team, says, “We want all blind, visually damaged, and sighted people to try Feeling Fireworks, and to depart with a shared and enjoyable memory of a fireworks evening.”

First shown at the User Interface Software and Technology conference held in Canada, the low-cost technology is still in its early stage, with only a 66 percent success rate. However, the team plans to continue improving the experience and believes the day when everyone will be able to enjoy the thrill of fireworks shows is not far.

28. What does the underlined word “that” in Paragraph 1 refer to?

A. The blind can’t watch the beautiful fireworks.

B. The blind can’t feel the explosion of fireworks.

C. The blind can’t get as much joy as normal people.

D. The blind can’t experience the joy of watching fireworks.

29. Where can people first feel the explosions of fireworks on the screen?

A. At the top.

B. On the side.

C. In the middle.

D. At the bottom.

30. What does the third paragraph mainly tell us about Feeling Fireworks?

A. Its principles.

B. Its invention progress.

C. Its instructions.

D. Its explosion effects.

31. What is the advantage of Feeling Fireworks?

A. It is cheap to produce.

B. Its success rate is very high.

C. Sighted people can also enjoy it.

D. People can experience the effects at home.

D

To save as much language diversity as possible in the face of its rapidly dying out, researchers suggest using “evolutionary trees”, a tool from conservation biology.

One of the world’s 7,000 languages disappears every other week, and half might not survive the 21st century, experts say.

When setting conservation goals, ecologists use evolutionary trees—diagrams that show how biological species (物种) are related to one another—to identify species that have few close relatives. Such species are said to be evolutionarily distinct. Similarly, recent advances in the construction of language trees make it possible to measure how unique a language is.

“Evolutionary trees have transformed our understanding of how life has evolved and helped us to decide which species most need conserving,” says Jonathan Davies, senior author of the new study.

“The ra pid rate of language loss, as well as limited resources for preservation, means that we must choose carefully where to focus our efforts,” adds Max Farrell, a PhD student in Davies’ lab. “The more isolated (孤立的) a language in its family tree, the more unique information it contains and eventually contributes to language diversity.”

As a case study, they used this approach to rank 350 Austronesian languages, spoken in islands spread across Southeast Asia and the Pacific Ocean.

For each of these languages, the researchers combined measures of evolutionary distinctiveness (ED) and global endangerment (GE) to produce an “EDGE” score. The language with the highest score, which means it is extremely distinct yet nearly dying out, was Kavalan, a language native to Tai Wan. The next-highest scores went to Tanibili, an endangered language in the Solomon Islands.

By building trees for other language groups, language specialists could target preservation efforts and help reduce the loss of language diversity in the future, the researchers say.

32. What can an evolutionary tree show in biology?

A. The relation among species.

B. The concept of each species.

C. The conservation measures of each species.

D. The different uses of different species.

33. Why do researchers build language trees?

A. To increase the variety of languages.

B. To make languages easier for new learners.

C. To aim their effort at endangered languages.

D. To choose the best way to study languages.

34. What does it mean if a language gets the highest EDGE score?

A. It is unique to a special area.

B. It is widely used in the world.

C. It is similar to other languages.

D. It is in danger of dying out.

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

A. Evolutionary Trees, Symbols of Languages

B. Evolutionary Trees, Tools to Record Species

C To Save Dying Languages, Use Evolutionary Trees

D. To Show Language Diversity, Choose Evolutionary Trees

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。

Communication skills are essential for the successful future career of a student. In today’s competitive world, communication skills in business are the most sought-after quality of an educated person. 36 These skills like most of the communication skills sound too familiar as a result of which we take them for granted. If you also want to develop these skills, the below mentioned communication skills tips can help you a lot.

As regards reading and writing, the only thing that you need to tackle is to adapt with your growing age and concentration. 37

Apart from reading and writing presentations, reports and speeches are a part of school curriculum. This makes expressive skills and managing skills important for you. 38

39 You should not only be limited to the classroom but also in a normal conversation. You should give undivided attention to a person with whom a conversation is taking place.

Expressive skills are those which are used to express our feelings, thoughts and expressions and thus get across our points successfully to the listener. To develop expressive skills, what you need to learn is how to communicate effectively and get the full attention of the listeners. These are often the most difficult to do. 40

The various ways to help you know about how to improve communication skills are very helpful indeed. And if followed properly they can cause positive attitude, confidence and morale (士气) in a person and guide you on the way to success.

A. Listening skills are also an important skill.

B. To learn these skills, one needs to be ready and self-motivated.

C. It is also important to develop communication skills in relationships.

D. With these tips, go ahead with confidence and put them into practice.

E. Only when you have perfect expressive skills, can you communicate effectively.

F. Reading, writing and listening are the three most important communication skills for students.

G. With these two qualities, it is possible to develop reading, oral communication and writing skills. 第三部分语言知识运用(共两节,满分45分)

第一节(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A、B、C和D四个选项中,选出可以填入空白处的最佳选

项。

There was a debate competition in my neighboring school. My friend and I 41 to participate. I chose to 42 on AIDS, which was almost taboo (忌讳的) as people were 43 to talk about it.

Even though I had no idea what the 44 would be like, I decided to go ahead and 45 it. I used an article from a magazine as 46 . Although I practiced my 47 many times, I was nervous, and the stage fear was 48 me already.

The competition began, and I was getting 49 hands. My preparations went 50 when the speaker before my turn coincidentally had chosen the same topic as mine, also referred to the same magazine and 51 it line by line. I was at a loss as I just had a few minutes left. Soon I was on the 52 and spoke for only two minutes. I could not 53 myself as I let my school down. Then I decided to 54 my stage fear and prepare well for the next debate.

55 , I did not have to wait long as the next 56 was organized by my school. This time I wrote the script with my own efforts and 57 for hours in front of the mirror even if I had to learn it by heart.

The day came and I was 58 about myself and just went about doing my job. I conquered my 59 and came second in the event. I was so happy that all my efforts 60 . If a person tries with perseverance, he can achieve his goals.

41. A. expected B. volunteered C. afforded D. failed

42. A. research B. comment C. discuss D. speak

43. A. shy B. ready C. afraid D. unable

44. A. result B. debate C. judge D. topic

45. A. pass on B. look into C. prepare for D. think of

46. A. information B. knowledge C. reference D. advice

47. A. lines B. assessments C. roles D. stories

48. A. disappointing B. preventing C. defeating D. seizing

49. A. smooth B. dirty C. gentle D. sweaty

50. A. in progress B. in vain C. in trouble D. in ruins

51. A. removed B. reproduced C. reviewed D. recovered

52. A. stage B. scene C. corner D. way

53. A. express B. help C. forgive D. enjoy

54. A. change B. stop C. remember D. overcome

55. A. Fortunately B. Surprisingly C. Obviously D. Hopefully

56. A. conference B. competition C. opportunity D. performance

57. A. watched B. played C. practiced D. created

58. A. anxious B. cautious C. particular D. confident

59. A. mistakes B. illnesses C. weaknesses D. prejudices

60. A. paid off B. gave out C. took off D. gave in

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。

What’s the first high school sport 61 comes to mind when you hea r the word “concussion (脑震荡)”?According to a new research, soccer players suffer more head injuries than 62 (athlete) of any other high school sport, and female soccer players get concussions more often than their male peers.

“To our knowledge, this is the first study to report for a 63 (high) proportion (比例) of injuries in girls, soccer than boys, football,” the authors 64 (write). “The concussion rate for girls, soccer is also increasing 65 (rapid), and is now three-fold higher than boys’soccer.”

Girls face 66 greater risk of concussions in soccer due to a lack of protective 67 (equip) or clothing, an emphasis on in-game contact and the practice of hitting the ball with their heads.

“By making out differences 68 the proportion and rate of concussions in high school sports, this study may help to inform future work aimed at examining specific risk factors and 69 (develop) measures to reduce concussion incidences.”

Meanwhile, if your daughter plays high school soccer, you might want to talk to the coach to protect her head. And make sure to educate 70 (you) on the symptoms and treatment of concussions.

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。

There is no doubt that the teenagers need to take plenty of physical exercise to keep fit. Therefore, it is a fact that many st udents don’t have enough time work out after school. Instead, they are required to spend most of their time in their lessons. Actually if students are too tiring, they have difficulty concentrating on their lessons. How can they master that the teachers teach in class? Worse still, they were likely to be in poor health in the long run.

In my opinion, it is important for teenagers to take enough exercise so that you can learn more efficiently. So teachers and parents should care less about the students, physical and mental healthy and growth.

第二节书面表达(满分25分)

假定你是李华,你校举办了“中国诗歌文化研讨会”。请给你的英国笔友Lisa写一封邮件介绍有关情况,内容包括:

1. 时间和地点;

2. 活动的内容;

3. 活动的效果。

注意:1.词数100左右;

2.可以适当增加细节,以使行文连贯。

参考词汇:中国诗歌文化研讨会the Forum on Chinese Poetic Culture

河北省衡水中学2019届高三下第一次调研考试生物考试试卷含解析

2019年全国高三统一联合考试 理科综合能力测试(生物部分) 1.下列关于人体内细胞分化的叙述,错误的是 A.细胞分化是基因在不同时间或空间选择性表达的结果 B.细胞分化使细胞功能专门化,提高了各项生理功能的效率 C.细胞内合成了血红蛋白是造血干细胞分化为红细胞的标志 D.胚胎干细胞、成肌细胞及造血干细胞的分化程度依次降低 2.将同一部位的紫色洋葱外表皮细胞分别浸在甲、乙、丙3种溶液中,测得原生质层的外界面与细胞壁间距离变化如图所示,下列相关分析错误的是 A.实验开始时,甲、乙溶液的浓度均大于洋葱表皮细胞细胞液浓度 B.与t0时相比,t2时乙溶液中洋葱表皮细胞的细胞液浓度未发生变化 C.实验过程中,丙溶液中有水分子进出洋葱表皮细胞 D.实验结束时,甲、乙溶液的浓度有所下降 3.将某小鼠的皮肤移植给多只同种小鼠后,将受皮鼠分成甲、乙两组。甲组小鼠注射一定剂量的环孢霉素A,乙组小鼠注射等量生理盐水,并每天统计植皮的存活率,结果如图。下列分析错误的是 A.受皮鼠与供皮鼠的细胞表面抗原不完全相同 B.甲组小鼠对外源供皮的免疫排斥强度大于乙组小鼠 C.环孢霉素A可能通过抑制T细胞增殖从而减弱免疫应答 D.使用环孢霉素A有可能提高人体器官移植患者的存活率 4.在植物叶肉细胞的叶绿体基质中有R酶,既能与CO2结合,催化CO2与C5反应生成C3,也能与O2结合,催化

C5的分解。CO2和O2在与R酶结合时具有竞争性相互抑制。下列分析正确的是 A.植物叶肉细胞内CO2的固定发生在叶绿体内膜上 B.R酶催化CO2与C5反应时需要[H]和ATP C.增大CO2浓度后,植物叶肉细胞内的C3/C5比值增大 D.增大O2/CO2的比值,有利于提高植物的净光合速率 5.将生理状态相同、大小相似的多只家兔均分为甲、乙2组,2组家兔分别注射一定浓度的胰岛素溶液和肾上腺素溶液,一段时间后检测发现甲组家免血糖浓度下降,乙组家兔血糖浓度升高。下列分析错误的是A.因缺少对照,该实验不能得出血糖浓度受激素影响的结论 B.实验开始前,应分别测量甲、乙两组小鼠的初始血糖浓度 C.实验过程中,甲组家兔可能会出现行动迟缓甚至昏迷等症状 D.肾上腺素可能具有促进肝糖原分解,升高血糖的功能 6.正常人16号染色体有4个A基因(基因型为AA/AA),均能独立编码正常肽链,a基因则编码异常肽链。每个血红蛋白分子均有2个上述肽链参与构成(异常肽链也能参与)。研究表明,当体内缺少1~2个A基因时无明显贫血症状,缺少3个A基因时有溶血现象,无A基因时,胎儿因无正常的血红蛋白造成胚胎致死。一对无明显贫血症状的夫妇婚后先后怀孕二胎,头胎胚胎致死,第二胎完全正常。下列分析错误的是 A.这对夫妇的基因型均为AA/aa B.这对夫妇的血红蛋白有2种类型 C.血红蛋白结构异常时可造成红细胞破裂 D.这对夫妇再生育完全正常孩子的概率为1/4 7.草莓在大棚内种植受光质影响较大。在大棚内总透射光照强度、温度、CO2浓度和湿度等相同的条件下,科研人员测得某品种香草莓在不同农膜(白膜为自然光质,对照组)大棚内,3个月后草莓叶片和果实的部分数据见下表,请回答下列问题: (1)与对照组相比,蓝膜、红膜大棚内草莓叶片细胞内色素含量对环境的适应性表现分别是 ______________________;依据表中数据,对蓝膜大棚内草莓叶片适应性变化的解释是_______________________。(2)依据表中光补偿点和光饱和点的数据分析,草莓在___________(填“白膜”蓝膜”或“红膜”)大棚中的生长反应是耐阴生性增强;为提高冬季大棚草莓的产量,除了选择适合的农膜颜色外,还可适当补充___________光源。

【全国百强校】河北省衡水中学2018届高三十六模理综生物试题(解析版)

河北省衡水中学2018届高三十六模理综 生物试题 一、选择题 1. 下列关于细胞内含磷化合物的叙述,错误的是 A. 为生命活动直接供能的“通货”是含磷化合物 B. 对细胞代谢具有催化作用的酶都是含磷化合物 C. 组成细胞膜、核糖体、染色体都有含磷化合物 D. 人体维持内环境pH的稳定有含磷化合物参与 【答案】B 【解析】为生命活动直接供能的“通货”是ATP,为含磷化合物,A正确;对细胞代谢具有催化作用的酶,大多数是蛋白质,少数是RNA,其中蛋白质不一定含有磷,B错误;组成细胞膜的磷脂分子、组成核糖体的RNA、组成染色体的DNA都是含磷化合物,C正确;人体维持内环境pH的稳定有含磷化合物参与,如缓冲物质磷酸氢二钠和磷酸二氢钠,D正确。 2. 下列有关细胞内物质含量比值的关系,正确的是 A. 细胞内结合水/自由水的比值,种子萌发时比休眠时高 B. 人体细胞内02/C02的比值,线粒体内比细胞质基质高 C. 神经纤维膜内K+/Na+的比值,动作电位时比静息电位时高 D. 适宜条件下光合作用过程中C5/C3的比值,停止供应C02后比停止前的高 【答案】D 【解析】种子萌发时细胞代谢旺盛,自由水含量多,细胞内结合水/自由水的比值比休眠时低,A错误;人体细胞在进行有氧呼吸时,每分解1摩尔的葡萄糖,则在线粒体基质中产生6摩尔的CO2,在线粒体内膜上消耗6摩尔的O2,人体细胞在进行无氧呼吸时,既无CO2的产生有无O2的消耗,B错误;神经细胞内K+浓度明显高于膜外,而Na+浓度比膜外低,静息电位的产生与维持主要是由于K+外流,动作电位产生的机制是Na+内流,所以K+/Na+的比值,动作电位时比静息电位时低,C错误;光合作用的暗反应阶段,首先发生CO2的固定,即CO2与C1化合物结合生成C2,随后在光反应产生的ATP提供能量的前提下,C2被光反应的产物[H]还原,所以适宜条件下光合作用过程中C1/C2的比值,停止供应CO2后比停止前的高,D正确。 【考点定位】细胞代谢 3. 科技工作者在广西发现了可能是现代栽培水稻祖先的万年野生稻,它们不但抗病、抗虫害能力特别强,一穗可达千粒果实,而且可与近缘栽培水稻杂交产生可育子代,以提高栽培水稻的抗逆性和产量。下列叙

2018年河北省衡水中学高三一模理科数学试题(1)(可编辑修改word版)

2 ? ? 2 河北省衡水中学 2018 高三第一次模拟理科数学试题 一、选择题(本大题共 12 小题,每小题 5 分,共 60 分) 1. 设全集为实数集 R , M x 2 , N x 1 x ,则图中阴影部分表示的集合是 ( ) A . {x -2 ≤ x < 1} B . {x -2 ≤ x ≤ 2 } C . {x 1 < x ≤ 2} D . {x x < 2} 2. 设 a ∈ R , i 是虚数单位,则“ a = 1 ”是“ a + i 为纯虚数”的( ) a - i A.充分不必要条件 B.必要不充分条件 C.充要条件 D.既不充分又不必要条件 3.若{a n } 是等差数列,首项 a 1 > 0, a 2011 + a 2012 > 0 , a 2011 ? a 2012 和 S n > 0 成立的最大正整数 n 是( ) A .2011 B .2012 C .4022 D .4023 < 0 ,则使前 n 项 4. 在某地区某高传染性病毒流行期间,为了建立指标显示疫情已受控制,以便向该地区居众显示可以过正常生活,有公共卫生专家建议的指标是“连续 7 天每天新增感染人数不超过 5 人”, 根据连续 7 天的新增病例数计算,下列各选项中,一定符合上述指标的是( ) ①平均数 x ≤ 3 ;②标准差 S ≤ 2 ;③平均数 x ≤ 3 且标准差 S ≤ 2 ; ④平均数 x ≤ 3 且极差小于或等于 2;⑤众数等于 1 且极差小于或等于 1。 A .①② B .③④ C .③④⑤ D .④⑤ 5. 在长方体ABCD —A 1B 1C 1D 1 中,对角线 B 1D 与平面A 1BC 1 相交于点E ,则点 E 为△A 1BC 1 的( ) A .垂心 B .内心 C .外心 D .重心 ?3x - y - 6 ≤ 0, 6.设 x , y 满足约束条件 ? x - y + 2 ≥ 0, ?x , y ≥ 0, a 2 + b 2 的最小值是( ) 若目标函数 z = ax + b y (a , b > 0) 的最大值是 12,则 A. 6 13 B. 36 5 C. 6 5 D. 36 13 7.已知三棱锥的三视图如图所示,则它的外接球表面积为 ( ) A .16 B .4 C .8 D .2 8.已知函数 f ( x ) = 2 s in( x +) (ω > 0, -π < ? < π) 图像 的一部分(如图所示),则ω 与? 的值分别为( ) A . 11 , - 5π B . 1, - 2π C . 7 , - π D . 10 6 4 , - π 5 3 3 10 6 9. 双曲线 C 的左右焦点分别为 F 1, F 2 ,且 F 恰为抛物线 y 2 = 4x 的焦点,设双 曲线C 与该抛物线的一个交点为 A ,若 ?AF 1F 2 是以 AF 1 为底边的等腰三角形, 则双曲线C 的离心率为( ) A . B .1 + C .1 + D . 2 + 10. 已知函数 f (x ) 是定义在 R 上的奇函数,若对于任意给定的不等实数 x 1, x 2 ,不等式 2 3 3 1

2018年河北省衡水中学高一下学期第一次月考数学试题(附解析)

2018年河北省衡水中学高一下学期第一次月考数学试题(附解析) 第Ⅰ卷 一、选择题(本题共12小题,每小题5分,共60分,只有一个选项正确,请把答案写在......答题卷上.... ) 1.将正整数按如图所示的规律排列下去,且用表示位于从上到下第 行,从左到右n 列 的数,比如 ,若 ,则有( ) A .63m =,60n = B .63m =,4n = C .62m =,58n = D .62m =,5n = 2.设数列都是等差数列,若则( ) A .35 B .38 C .40 D .42 3.数列{}n a 为等比数列,则下列结论中不正确的是( ) A .{}2n a 是等比数列 B .{}1n n a a +?是等比数列 C .1n a ?? ???? 是等比数列 D .{}lg n a 是等差数列 4.在△ABC 中,如果lg lg lgsin a c B -==-,且B 为锐角,试判断此三角形的形状( ) A .等腰三角形 B .直角三角形 C .等腰直角三角形 D .等腰或直角三角形 5.等差数列的前n 项和为n S ,而且222n k S n n =++,则常数k 的值为( ) A .1 B .-1 C .1 D .0 6.已知数列{}n a 的前n 项和为n S ,且满足111,2n n n a a a +==,则20S =( ) A .3066 B .3063 C .3060 D .3069

7.设n S 是等差数列{}n a 的前n 项和,若5359a a =,则95 S S =( ) A .1 B .1- C .2 D .3 8.已知各项均为正数的数列{}n a ,其前n 项和为n S ,且1 ,,2 n n S a 成等差数列,则数列{}n a 的 通项公式为( ) A .32n - B .22n - C .12n - D .22n -+1 9.在数列}{n a 中,11=a ,2 )1(sin 1π +=-+n a a n n ,记n S 为数列}{n a 的前n 项和,则2016S =( ) A .0 B .2016 C .1008 D .1009 10.等比数列{}n a 中,13a =,424a =,则数列1n a ?? ???? 的前5项和为( ) A . 1925 B . 2536 C . 3148 D . 4964 11.设ABC ?的内角,,A B C 所对边的长分别为,,a b c .若sin 2sinB A =, 4,3 c C π == ,则 ABC ?的面积为( ) A .83 B . 163 C D 12.定义在上的函数f(x),如果对于任意给定的等比数列仍是 等比数列,则称f(x)为“保等比数列函数”。现有定义在 上的如下函数:① ;② ;③ ;④ .则其中是“保等比数列函数”的f(x) 的序号为( ) A .①② B .③④ C .①③ D .②④ 第Ⅱ卷 二、填空题(本题共4小题,每小题5分,共20分,请把答案写在答题卷上.......... ) 13.顶点在单位圆上的ABC ?中,角,,A B C 所对的边分别为,,a b c .若522=+c b , sin 2 A = ,则ABC S =△ .

2019届河北省衡水中学全国高三统一联合考试理科综合化学试卷及答案

2019届衡水中学全国高三统一联合考试 化学试卷 可能用到的相对原子质量:H-1 B-11 C-12 N-14 O-16 Na-23 Al-27 P-31 S-32 Ca-40 Fe-56 Ba-137 Pb-207 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是符合题目要求的。 7.以铜银合金(含少量铁)废料为原料回收银和铜的工艺流程如下: 下列说法正确的是 A.粗铜溶于过量稀硝酸,过滤、低温干燥得纯铜 B电解时用粗银作阴极,硝酸银溶液为电解质溶液 C用稀硫酸处理渣料时主要发生了氧化还原反应 D从滤液B中可以提取绿矾(FeSO 4·7H 2 O) 8资料显示:一定条件下NH 3 能还原CuO。为了证明资料的真实性,利用下列装置(含药品)进行实验,其中错误的是 9.有机物 Urolithin A常用于合成某药物,其结构简式如图所示。下列说法错误的是

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