河北省衡水中学2019届高三上学期一调英语试题(解析版)

【衡水金卷】2018-2019学年度上学期高三年级一调考试英语试卷第I卷第一部分听力(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ー小题。

每段对话仅读一遍。

1. How will the woman get to Glasgow?A. By train B By plane C. By car.2. What does the man mean?A. The refrigerator is too heavyB. He can't help the woman.C. He needs to see a doctor3. What does the man think of the lecture?A. InterestingB. NewC. Boring4. When will the speakers leave for the zoo?A. At 8:15B. At 9:45C. At 10:30.5. What are the speakers mainly talking about?A. A competition B . A classmate C. A team第二节(共15小题;每小题15分,满分22.5分)听下面5段对话或独白。

每段对话独白后有几个小题,从题中所给的A、B、C三个进项中选出最佳选项,并标在试卷的相应位置。

听每度对话或独白前,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67题。

6. What makes the woman get her achievement?A. The teamwork.B. Her experience.C. Her leadership7. How has the woman changed after the project?A. She is more competitive about her careerB. She is no longer afraid of new challenges.C. She is willing to help people in trouble.听第7段材料,回答第8,9题。

8. Why does the man change their plan?A. He has to look after his sisterB. He has to prepare for his final examsC. He will go to China in a few days.9. Where will the woman go on Sunday?A. To the cinemaB. To the zooC. To the museum听第8段材料,回答第10至12题。

10. How old is the man now?A.12B.20 C,5011. What would the man like to do after finishing his college?A. Set up a restaurantB. Travel around! the world C, Work as a student advisor12. Where does the man plan to stay when he retires?A. In the USB. In ChinaC. In France听第9段材料,回答第13至16题。

13. What do we know about the apartment?A. It is far from the tubeB. It is fully famished and near a parkC. There is a computer and an old fridge in it.14. What makes the man unsatisfied with the apartment?A. The environment B, The bathroom C. The kitchen15. How much should the man pay for the first time?A.$600B. $1,200C. $1,80016. How should the man pay the rent?A. In cashB. By credit cardC. By cheque听第10段材料,回答第17至20题。

17. What can students do if they attend the second course?A. Visit the best galleriesB. See the city’s most famous buildingsC Learn about 20th-century writers and poetI8. When are the students free?A. On FridaysB. On Saturdays C On Sundays19. What do students need to pay extra money forA. MealsB BooksC. Transport20. What is the requirement for students to attend the course?A. A good level of EnglishB, Great ability to get along with otherC. Some previous knowledge of the subjects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ABrochure Design ServiceProfessional Brochure DesignsBrochures have proven to be one of the most cost-effective marketing methods for product and service companies worldwide. Creating a brochure is a delicate and important design process for any business, and must be left in the hand of professional brochure designers. It requires graphic(图解的)design skills, specific techniques, and a deep understanding of marketing and printing technology.A Professional Brochure Design ServiceBrochure Design Service is a team of professional brochure designers that create company brochures and product catalogs for businesses. At Brochure Design Service you will find the design solutions for your organization brochures - from the outline of design drafts. concepts and messages, to the final brochure printing.As experts in design, we make the highest quality brochures you will ever come across, quicklyand affordably. You only need to answer e-mails and provide feedback on our designs.Creating Professional Brochures for your CompanyAffordable and highest-quality end products. Brochures that will certainly beat your competitors and give you the edge in marketing your business.Brochure design samples ready in 2 business days or less. Do you have a trade show next week? Call us! We can meet tight deadlines.We have been serving thousands of clients all around the world for more than 15 years.Access to royalty-free(版权费)images included in our design fees.Lightweight digital brochure in PDF format included.Save time by avoiding endless meetings and appointments. Our service is faster, more reliableand coat-effective than a traditional design agency.Unparalleled service: unlimited revisions till your final approval, plus 100﹪ money back guarantee. Contact us right now! Tel: (814)755-3560 E-mail:*****************.1. What is needed in creating w brochure?A. Handwriting techniquesB. Photographing skills.C. Communicating strategiesD. Graphic design ability2. Brochure Design Service can offer customers___________。

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河北省衡水中学2019届全国高三第一次摸底联考英语试卷

河北省衡水中学2019届全国高三第一次摸底联考英语试卷

绝密★启用前河北省衡水中学2019届全国高三第一次摸底联考英语试卷本试卷满分150分,考试时间120分钟注意事项:1.答题前,考生务必将自己的姓名、准考证号填写在答题卡上相应的位遛。

2.全部答案在答题卡上完成,答在本试题上无效。

3.回答选择题时,选出每小题答案后,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。

回答非选择题时,将答案用0.5 mm黑色笔迹签字笔写在答题卡上。

4.考试结束后,将本试卷和答题卡一并交回。

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. What will the man do?A. Study with his brother.B. Take a math exam.C. Turn down the music.2. How many new words should the woman learn a week?A. 10. 20. C. 30.3. What is the probable relationship between the speakers?A. Father and son.B. Teacher and student.C. Colleagues.4. What does Mary like to do?A. Hide something.B. Speak out whatever she hopes to.C. Say what others want her to.5. What day is it today?A. Monday.B. Friday.C. Saturday.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。

河北省衡水中学2019届高三上学期一调英语试题(原卷版)

河北省衡水中学2019届高三上学期一调英语试题(原卷版)

.....................【衡水金卷】2018-2019学年度上学期高三年级一调考试英语试卷第I卷第一部分听力(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ー小题。

每段对话仅读一遍。

1. How will the woman get to Glasgow?A. By train B By plane C. By car.2. What does the man mean?A. The refrigerator is too heavyB. He can't help the woman.C. He needs to see a doctor3. What does the man think of the lecture?A. InterestingB. NewC. Boring4. When will the speakers leave for the zoo?A. At 8:15B. At 9:45C. At 10:30.5. What are the speakers mainly talking about?A. A competition B . A classmate C. A team第二节(共15小题;每小题15分,满分22.5分)听下面5段对话或独白。

每段对话独白后有几个小题,从题中所给的A、B、C三个进项中选出最佳选项,并标在试卷的相应位置。

听每度对话或独白前,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67题。

6. What makes the woman get her achievement?A. The teamwork.B. Her experience.C. Her leadership7. How has the woman changed after the project?A. She is more competitive about her careerB. She is no longer afraid of new challenges.C. She is willing to help people in trouble.听第7段材料,回答第8,9题。

河北省衡水中学2019届高三上学期一调英语---精校解析Word版

河北省衡水中学2019届高三上学期一调英语---精校解析Word版
6. What did the author think of his experience in Cuaternala?
A. It was regretful B. It was meaningful
C. It was interesting. D. it was frightening
7. What may be the best title for the text?
A. A Step into a New World B. An Awful Faith Journey
C. A Great Success in Life D. A Return of Confidence
C
At your next meeting, wait for a pause in conversation and try to measure how long it lasts.
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河北省衡水中学2019届高三第一次调研考试(英语)

河北省衡水中学2019届高三第一次调研考试(英语)

河北衡水中学2019学年度第一学期一调考试高三年级英语试题本试卷分第一卷〔选择题〕和第二卷(非选择题) 两部分。

第一卷注意事项:1. 答第一卷前,考生务必将自己的、准考证号填写在答题卡上。

2. 选出每题答案后,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,再选涂其他答案标号。

写在本试卷上无效。

第一部分:听力〔共两节,总分值20分〕该部分分为第一、第二两节。

注意:答复听力部分时,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你的答案转涂到客观题答题卡上。

第一节〔共5小题;每题1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三个选项中选出最正确选项,并标在试卷的相应位置。

听完每段对话后,你都有10秒钟的时间来答复有关小题和阅读下一小题。

每段对话仅读一遍。

1.Where are the books now?A. In the man’s office.B. In the man’s home.C. I n the woman’s home.2. How will they go to the cinema?A. By bus.B. In John’s car or on foot.C. They haven’t decided yet.3. What will the man do now?A. Buy his mum a handbag.B. Buy his mum a coat.C. Give Mary a call.4. Who will call the children to come?A. Frank.B. Joan.C. Mike.5. How will the girl go to school?A. In her father’s car.B. On her father’s bike.C. In her mother’s car.第二节〔共15小题;每题1分〕听第6段材料,答复第6,7题。

导数中的不等式运用

导数中的不等式运用

专题09 导数与不等式的解题技巧一.知识点基本初等函数的导数公式 (1)常用函数的导数①(C )′=________(C 为常数); ②(x )′=________; ③(x 2)′=________; ④⎝ ⎛⎭⎪⎫1x ′=________;⑤(x )′=________. (2)初等函数的导数公式①(x n )′=________; ②(sin x )′=__________; ③(cos x )′=________; ④(e x )′=________; ⑤(a x )′=___________; ⑥(ln x )′=________; ⑦(log a x )′=__________.(一)构造函数证明不等式例1.【山东省烟台市2019届高三数学试卷】已知定义在(﹣∞,0)上的函数f (x ),其导函数记为f'(x ),若成立,则下列正确的是( )A .f (﹣e )﹣e 2f (﹣1)>0B .C .e 2f (﹣e )﹣f (﹣1)>0D .【答案】A【分析】由题干知:,x <﹣1时,2f (x )﹣xf′(x )<0.﹣1<x <0时,2f (x )﹣xf′(x )>0.构造函数g (x )=,对函数求导可得到x <﹣1时,g′(x )<0;﹣1<x <0,g′(x )>0,利用函数的单调性得到结果.练习1.设是定义在上的偶函数的导函数,且,当时,不等式恒成立,若,,,则的大小关系是()A.B.C.D.【答案】D【分析】构造函数,根据函数的奇偶性求得的奇偶性,再根据函数的导数确定单调性,由此比较三个数的大小.【解析】构造函数,由于是偶函数,故是奇函数.由于,故函数在上递增.由于,故当时,,当时,.所以,,,根据单调性有.故,即,故选D.【点睛】本小题主要考查函数的奇偶性,考查构造函数法比较大小,考查化归与转化的数学思想方法,属于中档题.练习2.设函数,的导函数为,且满足,则()A.B.C.D.不能确定与的大小【答案】B【解析】令g(x)=,求出g(x)的导数,得到函数g(x)的单调性,【详解】令g(x)=,则g′(x)==,∵xf′(x)<3f(x),即xf′(x)﹣3f(x)<0,∴g′(x)<0在(0,+∞)恒成立,故g(x)在(0,+∞)递减,∴g()>g(),即>,则有故选B.练习3.定义在[0,+∞)上的函数满足:.其中表示的导函数,若对任意正数都有,则实数的取值范围是()A.(0,4]B.[2,4] C.(﹣∞,0)∪[4,+∞)D.[4,+∞)【答案】C【解析】由可得,令,则,利用导数可得函数在区间上单调递减,从而由原不等式可得,解不等式可得所求范围.【详解】∵,∴,当且仅当且,即时两等号同时成立,∴“对任意正数都有”等价于“”.由可得,令,则,∴.令,则,∴当时,单调递增;当时,单调递减.∴,∴,∴函数在区间上单调递减,故由可得,整理得,解得或.∴实数的取值范围是.故选C.【点睛】本题难度较大,涉及知识点较多.解题的关键有两个,一是求出的最小值,在此过程中需要注意基本不等式中等号成立的条件,特别是连续两次运用不等式时要注意等号能否同时成立;二是结合条件中含有导函数的等式构造函数,并通过求导得到函数的单调性,最后再根据单调性将函数不等式转化为一般不等式求解.主要考查构造、转化等方法在解题中的应用.(二)不等式中存在任意问题例2.【安徽省皖南八校2019届高三第二次(12月)联考数学】已知函数,,对于,,使得,则实数的取值范围是A.B.C.D.【答案】D【解析】,,使得,可得,利用,的单调性、最值即可求得.【详解】对于,,使得,等价于,因为是增函数,由复合函数增减性可知在上是增函数,所以当时,,令,则,若时,,,所以只需,解得.若时,,,所以只需,解得.当时,成立.综上,故选D.练习1.已知函数,函数(),若对任意的,总存在使得,则实数的取值范围是()A.B.C.D.【答案】B【解析】由题意,可得在的值域包含于函数的值域,运用导数和函数的单调性和值域,即可求解.【详解】由题意,函数的导数为,当时,,则函数为单调递增;当时,,则函数为单调递减,即当时,函数取得极小值,且为最小值,又由,可得函数在的值域,由函数在递增,可得的值域,由对于任意的,总存在,使得,可得,即为,解得,故选B.【点睛】本题主要考查了函数与方程的综合应用,以及导数在函数中的应用,其中解答中转化为在的值域包含于函数的值域,运用导数和函数的单调性和值域是解答的关键,着重考查了分析问题和解答问题的能力,以及推理与运算能力,属于中档试题.练习2.函数,,若对,,,则实数的最小值是_________.【答案】14【解析】利用导数以及指数函数的性质,分别求出函数f(x),g(x)的最值,将问题转为求f(x)min≥g (x)min即可.【详解】,在递减,在递增,所以,在单调递增,,由已知对,,,可知只需f(x)min≥g(x)min即练习3.已知函数,且,,若存在,使得对任意,恒成立,则的取值范围是________.【答案】【解析】存在,使得对任意的,恒成立,即,由在上递增,可得,利用导数可判断在上的单调性,可得,由,可求得的范围;【详解】的定义域为,,当时,,,为增函数,所以;若存在,使得对任意的,恒成立,即,,当时,为减函数,,∴,,∴故答案为:.【点睛】对于函数恒成立或者有解求参的问题,常用方法有:变量分离,参变分离,转化为函数最值问题;或者直接求函数最值,使得函数最值大于或者小于0;或者分离成两个函数,使得一个函数恒大于或小于另一个函数。

衡水中学2019届高三上学期一调(英语)

衡水中学2019届高三上学期一调(英语)

衡水中学 2018~2019 学年度高三年级上学期一调考试英语试题本试卷共150 分,考试时间120 分钟。

第一部分听力(共两节,满分20 分)第一节(共5 小题;每小题 1 分,满分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。

1.How many minutes does the woman think John will be late for the meeting?A. 10 minutes.B. 15 minutes.C. 20 minutes.2.What does the man think the building will probably be?A. An apartment building.B. A hotel.C. A store.3.How does the man feel about his present job seeking?A. He is confident.B. He is tired of it.C. He is not quite sure.4.What do you know about the price of meat?A. It is going up every day.B. It is high everywhere.C. It is higher in other stores.5.Where does the conversation most probably take place?A.In the kitchen.B.In the living room.C.In the study.第二节(共15 小题;每小题 1 分,满分15 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。

2019届河北省衡水中学高三上学期一调英语试题(解析版)

2019届河北省衡水中学高三上学期一调英语试题第I卷第一部分听力(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ー小题。

每段对话仅读一遍。

1. How will the woman get to Glasgow?A. By train B By plane C. By car.2. What does the man mean?A. The refrigerator is too heavyB. He can't help the woman.C. He needs to see a doctor3. What does the man think of the lecture?A. InterestingB. NewC. Boring4. When will the speakers leave for the zoo?A. At 8:15B. At 9:45C. At 10:30.5. What are the speakers mainly talking about?A. A competition B . A classmate C. A team第二节(共15小题;每小题15分,满分22.5分)听下面5段对话或独白。

每段对话独白后有几个小题,从题中所给的A、B、C三个进项中选出最佳选项,并标在试卷的相应位置。

听每度对话或独白前,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67题。

6. What makes the woman get her achievement?A. The teamwork.B. Her experience.C. Her leadership7. How has the woman changed after the project?A. She is more competitive about her careerB. She is no longer afraid of new challenges.C. She is willing to help people in trouble.听第7段材料,回答第8,9题。

精品解析:【全国百强校】河北省衡水中学2019届高三上学期分科综合考试英语试题(原卷版及解析版)

河北省衡水中学2019届高三上学期分科综合考试英语试题第一部分听力(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纸上。

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。

1. How many languages can Steve speak at present?A. Two.B. Three.C. Four.2. Where will the man work?A. In Wuhan.B. In Guangzhou.C. In Shenzhen.3. What makes the woman late according to the man?A. The bad traffic.B. Too much work.C. Getting up late.4. What did the speakers plan to do?A. Work together.B. See a movie together.C. Wash the car after dinner.5. Who is the woman?A. A job seeker.B. A clerk typist.C. A manager.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’s the woman’s suggestion?A. Putting meat in the refrigerator.B. Going out to dinner.C. Trying another food.7. What’s the relationship between the two speakers?A. Salesclerk and customer.B. Host and guest.C. Husband and wife.听第7段材料,回答第8、9题。

河北省衡水中学2019年高三英语试题(解析版)

河北省衡水中学2019届高三上学期第16周周测英语试题Editors: DongBaoyu GuoYi AnWence第I卷(选择题满分90分)第一部分听力(共两节,满分20分)第一节(共5小题;每小题1分,满分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。

1.How did Sarah get home last night?A. By trainB. By busC. By car2. When is the woman getting married?A. In OctoberB. In NovemberC. In December3. Who is the woman?A. A new workerB. A regularC. A shop manager4. Where is Mary?A. In th e manager’s officeB. In the meeting roomC. In her office5. What book did the woman buy?A. CookingB. HistoryC. Traveling第二节听下面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. Where are the speakers?A. At the man’s homeB. At a shopC. In a car7. What has the woman forgotten to bring with her?A. Her bagB. Some moneyC. A map听第7段材料,回答第8、9题。

河北省衡水中学2019届高三上学期一调英语---精校解析Word版

2018-2019学年度上学期高三年级一调考试
英语试卷
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
A
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