2017.11.25练习
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##省2017年十一月英语高考试题听力部分:ACBCB/ CBABC / ACBAB / AABCA阅读理解:AWhen I was in fourth grade, I worked part-time as a paperboy. Mrs.Stanley was one of my customers. She'd watch me coming down her street, and by the time I'd biked up to her doorstep, there'd be a cold drink waiting. I'd sit and drink while she talked.Mrs.Stanley talked mostly about her dead husband, "Mr. Stanley and I went shopping this morning." she'd say. The first time she said that, soda<汽水> went up my nose.I told my father how Mrs. Stanley talked as if Mr. Stanley were still alive. Dad said she was probably lonely, and that I ought to sit and listen and nod my head and smile, and maybe she'dwork it out of her system. So that's what I did, and it turned out Dad was right. After a while she seemed content to leave her husband over at the cemetery<墓地>.I finally quit delivering newspapers and didn't see Mrs. Stanley for several years. Then we crossed paths at a church fund-raiser<募捐活动>. She was spooning mashed potatoes and looking happy. Four years before, she'd had to offer her paperboy a drink to have someone to talk with. Now she had friends. Her husband was gone, but life went on.I live in the city now, and my paperboy is a lady named Edna with three kids. She asks me how I'm doing. When I don't say "fine", she sticks around to hear my problems. She's lived in the city most of her life, but she knows about community. Community isn't so much a place as it is a state of mind. You find it whenever people ask how you're doing because they care, and not because they'regetting paid to do so. Sometimes it's good to just smile, nod your head and listen.21. Why did soda go up the author's nose one time?A. He was talking fast.B. He was shocked.C. He was in a hurry.D. He was absent-minded.22. Why did the author sit and listen to Mrs. Stanley according to Paragraph 3?A. He enjoyed the drink.B. He wanted to be helpful.C. He took the chance to rest.D. He tried to please his dad.23. Which of the following can replace the underlined phrase "work it our of her system"?A. recover from her sadnessB. move out of the neighborhoodC. turn to her old friendsD. speak out about her past24. What does the author think people in a community should do?A. Open up to others.B. Depend on each other.C. Pay for other's helpD. Care about one another.BIt's surprising how much simple movement of the body can affect the way we think. Using expansive gestures with open arms makes us feel more powerful, crossing your arms makes you more determined and lying down can bring more insights<领悟>.So if moving the body can have these effects, what about the clothes we wear? We're all well aware of how dressing up in different ways can make us feel more attractive, sporty or professional, depending on the clothes we wear, but can the clothes actually change cognitive<认知> performance or is it just a feeling?Adam and Galinsky tested the effect of simply wearing a white lab coat on people's powers of attention. The idea is that white coats are associated with scientists, who are in turn thought to have close attention to detail.What they found was that people wearing white coats performed better than those who weren't. Indeed, they made only half as many errors as those wearing their own clothes on the StroopTest<one way of measuing attention>. The reserchrs call the effect "enclothed cognition," suggesting that all manner of different clothes probably affect our cognition in many differnt ways.This opens the way for all sorts of clothes-based experiments. Is the writer who wears a fedora more creative? Is the psychologist wearing little round glasses and smoking a cigar more insightful? Does a chef's hat make the restaurant food taste better?From now on I will only be editing artcles for PsyBlog while wearing a white coat to help keep the typing error count low. Hopefully you will be doing your part by reading PsyBlog in a cap and gown<学位服>.25. What is the main idea of the text?A. Body movements change the way people think.B. How people dress has an influencee on their feelings.C. What people wear can affect their cognitive performance.D. People doing different jobs should wear different clothes.26. Adam and Galinsky's experiment tested the effect of clothes on their wearers'______.A. insightsB. movementsC. attentionD. appearance27. How does the author sound in the last paragraph?A. Academic.B. Humorous.C. Formal.D. Hopeful.CThere are energy savings to be made from all recyclable materials, sometimes huge savings. Recycling plastics and aluminum, for instance, uses only 5% to 10% as much energy as producing new plastic or smelting〔提炼〕aluminum.Long before most of us even noticed what we now call "the environment," Buckminster Fuller said, "Pollution is nothing but the resources〔资源〕we are not harvesting. We allow them to be left around because we've been ignorant of their value." To take one example, let's compare the throwaway economy〔经济〕with a recycling economy as we feed a cat for life.Say your cat weigh 5kg and eats one can of food each day. Each empty can of its food weights 40g. In a throwaway economy, you would throw away 5,475 cans over the cat's 15-year lifetime. That's 219kg of steel-more than a fifth of a ton and more than 40 times the cat's weight.In a recycling economy, we would make one set of 100 cans to start with, then replace them over and over again with recycled cans. Since almost 3% of the metal is lost during reprocessing, we'd have to make an extra 10 cans each year. But in all, only 150 cans will be used up over the cat's lifetime-and we'll still have 100 left over for the next cat.Instead of using up 219kg of steel, we've used only 6kg. And because the process of recycling steel is less polluting than making new steel, we've also achieved the following significant savings: in energy use-47% to 74%; in air pollution-85%; in water pollution-35%; in water use-40%.28. What does Buckminster Fuller say about pollution?A. It is becoming more serious.B. It destroys the environment.C. It benefits the economy.D. It is the resources yet to be used.29. How many cans will be used up in a cat's 15-year lifetime in a recycling economy?A. 50B. 100C. 150D. 25030. What is the author's purpose in writing the text?A. To promote the idea of recycling.B. To introduce an environmentalist.C. To discuss the causes of pollution.D. To defend the throwaway economy.How to Remember What You ReadReading is important. But the next step is making sure that you remember what you've read!__31__you may have just read the text. But the ideas, concepts and images〔形象〕may fly right out of your head. Here are a few tricks for remembering what you read.● __32__If the plot, characters, or word usage is confusing for you, you likely won't be able to remember what you read. It's a bit like reading a foreign language. If you don't understand what you're reading, how would you remember it? But there are a few things you can do... Use a dictionary; look up the difficult words.● Are you connected?Does a character remind you of a friend? Does the setting make you want to visit the place? Does the book inspire you, and make you want to read more? With some books, you may feel a connection right away. __33__ How willing are you to make the connections happen?● Read it; hear it; be it!Read the lines. Then, speak them out loud. And, put some character into the words. When he was writing his novels, Charles Dickens would act out the parts of the characters. He'd make faces in the mirror, and change his voice for each character. __34__● How often do you read?If you read frequently, you'll likely have an easier time with remembering what you’re reading and what you've read. __35__As you make reading a regular part of your life, you'll make more connections, stay more focused and understand the text better. You’ll learn to enjoy literature- as you remember what you read!A. Are you confused?B. Practice makes perfect.C. What's your motivation?D. Memory is sometimes a tricky thing.E. Marking helps you remember what you read.F. But other books require a bit more work on your part.G. You can do the same thing when you are reading the text!31-35 DAFGB完型填空A young English teacher saved the lives of 30 students when he took__36__ of a bus after its driver suffered a serious heart attack. Guy Harvold,24, had __37__ the students and three course leaders from Gatwick airport, and they were travelling to Bourmemouth to __38__ their host families. They were going to __39__ a course at the ABC Language School in Bournemouth where Harvold works as a __40__.Harvold, who has not __41__ his driving test, said, "I realized the bus was out of control when I was __42__ the students." The bus ran into trees at the side of the road and he __43__the driver was slumped<倒伏> over the wheel. The driver didn't __44__. He was unconscious. The bus__45__ a lamp post and it broke the glass on the front door before Harvold __46__ to bring the bus to a stop. Police__47__ the young teacher's quick thinking. If he hadn't __48__ quickly, there could have been a terrible__49__.语法填空Easy Ways to Build VocabularyIt's not all that hard to build an advanced and large vocabulary. Like many things in life, it's __56__ongoing process, and the best part of the process is that there's enough room for improvement, __57__means you'll just keep getting better and better. Of course you have to work at it. You wouldn't think that a few __58__<month> of exercise in your teens would be enough __59__ the rest of your life, and that's also true for building your vocabulary--you have to keep at it daily, and pretty soon you will find that you have an excellent vocabulary.One of the __60__<effect> ways to build vocabulary is to read good books. You need to __61__<real> read at least one good book a week, preferably a classic. This isn't as hard as it __62__<sound>, and it is far better than any other method because you improve your vocabulary while __63__<read> an interesting piece of literature. Another nice thing is that you learn both new words and __64__<they> use unconsciously, meaning that you will tend to use the words __65__<learn> this way in conversations almost automatically.参考答案56. an 57. which58. months59. for60. most effective61. really62. sounds63. reading64. their<后面的use是名词〕65. learned <过去分词作后置定语修饰words>[应用文写作]假如你是李华,你们学校的外教Mr. Hall寒假不回国.你打算邀请他去你家里一起过春节.文章内容需包含以下要点:1. 时间2. 家人3. 春节活动.注意:1. 词数80词左右;2. 可以适当增加细节.[解析]本次高考应用文延续6月##高考考查题材,为典型的邀请类应用文.这一文章题材逻辑清晰,要点明确.但想要拿高分,新东方老师认为考生需适当增加细节并且配合亮点词句.实战解析文章开头:表明写信目的,可套用句式如, "I am cordially/sincerely inviting you to celebrate the Spring Festival with my family.〞文章中间段:将所给关键词扩写成句或适当增加细节.扩写方向大都为增加"原因/目的/结果〔如本文中过春节的意义〕/举例〔如本文的春节具体活动〕. 描述春节的目的或者意义时,可用应用文写作中最高频亮点词,例:enhance 提高the family bonds联系; provide a platform for family reunion聚会.对春节具体活动的描述,可套用以下句型:In addition to …. or …, it’s also a custom for Chinese people to … ; There is no exception例外to …文章结尾段:本文目的为邀请外教一起庆祝春节,除常用结尾句式,如"Your presence is highly expected〞,可适当增加参加这个活动对于外教老师的"意义〞,如"I believe that you can cultivate种植,耕作a better understanding and appreciation of the traditional festival through the activities.〞[读后续写]文章中文大意:我的母亲和健忘〔absent-minded and forgetful〕,一家四口去祖父母在的省自驾旅游,途中发生了有趣的事情,比如爸爸叫我盯住妈妈,以防她开车的时候睡着:第一段开头句:我们拿出来新买的帐篷第二段开头句:我们愉快地欣赏路边的景色关键词:mom dad David <弟弟> tent camping nice trouble forgetful absent-minded ##省在新高考改革后的第三次的英语高考中,又又又一次考了续写!〔说好的概要和续写交替出现呢?〕但是这次的续写话题和之前两次又不太一样,〔2016年10月:森林迷路;2017年6月:路上遇狼;〕之前两次的话题都有着明确的主线和情节发展方向,但是这次的话题非常开放,主线非常不明确,进而导致的问题是同学们不知道该怎么展开处理了.实战解析首先,根据文章当中第二段内容比较开心的基调,第一段的故事情节应该比较偏向正面感情色彩,例如:我们在露营过程中一起搭建帐篷的开心时光或露营过程中的趣事〔尤其是前文有铺垫妈妈是个forgetful的人,这一点也可以埋下伏笔来表达后面过程中由于妈妈健忘而带来的趣事〕〔也有同学在此处描述了露营过程中对其他陌生人提供帮助,来集中体现nice这一个点〕;其次,第二段开头说来描述欣赏风景:此处可以用一些描述景色环境的表达来烘托下氛围,但是第二段不能仅仅只能有景色描述;例如:这里可以实写和虚写结合的方式,看到景色〔同时回忆往事〕,最终把故事的落脚点放在"家人的感情〞"亲情〞"生活的乐趣〞"与妈妈一起的趣事〞等等角度都可以的;当然也有同学描述与陌生人的相遇,引出了陌生人的善意这个主题;总之这次的话题比较开放,情节可以写的角度比较多;再次,除了情节方面的内容以外,以下几个方面是考生需要着重关注的得分点:字迹清晰程度,语法多样性和句式丰富性,衔接成分的使用,语言的场景恰当程度;高考英语写作中,考生所采用的句型结构一定程度上影响了老师对考生写作水平的判断;说到语法丰富性方面,例如在作文中用到从句结构、强调句、非谓语结构等.尤其应该注意的是:避免句型单一化,如通篇使用定语从句,这样反而使阅卷老师觉得该考生对句型掌握的不够充分.应该在文章写作中有意识地多使用不同的句型结构.例如:They said it was such a beautiful day that they would remember it forever.〔such...that结构〕. 由于阅卷老师在评卷时的时间十分有限,在作文中放入显耀的连接词可以帮助老师快速抓住文章结构,促使老师更好地理解文章主旨,同时清晰的连接词可以显示作者写作时严谨的逻辑.例如:upon one's arrival, then, however, besides, while 等.。
五年级英语周末练习(11.25 )命题:审查: _____班级:姓名:等第:一、英汉互译。
1. 两名工厂工人 ________2. 一名英语老师 ___ ____3. 很多病人 __________4. 教我们语文 __________5.生产很多糖果 ________ _6. a cup of green tea __________7.want to be a policeman_________ _8. 善于滑冰 _________9. write interesting stories 10. 在家工作二、按要求写单词。
1. teach (名词) ________2. write (名词) ___ ____3. work (名词) __________4. cook (名词) __________5. people (复数) _______6. factory (复数) __________7. policeman (复数) ________8. sick (同义词) ________9. watch(第三人称单数) ______ 10. go (第三人称单数) ________三、用所给词的适合形式填空。
1. What are ____ _(them) jobs? They are farmers.2. Don ’ t _____ (draw) on the table.3. What _____ (be) your father and mother?5. The girl ____ (look) happy.6. I _____ _(like) sweets. She _____ (like) sweets too.7. How many ______ (teacher) are there in your school?8. My sister ____ (have) many toy animals.9. He can _____ (make) cakes.10. What _____(do) he like doing? He likes _____(dance).11. He is a _____(work). He ______(work) in a big factory.12. ____________(Whose/Who ’ s) that woman? She is my aunt.四、单项选择。
11月学位英语考试预热考题训练Never too old to learn, never too late to turn.下面,小编为大家搜索整理了11月学位英语考试预热考题训练,希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!1). I can′t go to the New Year′s concert; ( ), 100 dollars is just toomuch for meto spend in one evening.A.in other wordsB.that isC.in particularD.I mean正确答案:D2). -How do you think I should receive the reporter?-( ) you feel about him, try to be polite.A.HowB.WhatC.WhateverD.However正确答案:D3). We will be shown around the city:schools, museums, andsome other places,( ) other visitors seldom go.A.whatB.whichC.whereD.when正确答案:C答案解析:这是一个定语从句,先行词是places,表示地点,非限定性定语从句中缺少状语,因此用where来引导定语从句,故要填where。
译文:我们被带领着参观了这座城市:学校、博物馆和其他一些游人很少去的地方。
4). Of all the stories here,I like this one .( ) .It is notinteresting.A.worstB.mostC.lessD.least正确答案:D5). She ( ) the comrades together and spoke to them in the old hall ofthe farm-house.A.expectedB.collectedC.calledD.shouted正确答案:C6). Preparations are being made for the Olympic Games ( ) in Beijing inA.heldB.holdingC.to be heldD.to hold正确答案:C7). I thought it was going to rain but it has ( ) fine.A.turned e outC.brought outD.put up with正确答案:A8). ---I′m dead tired.I can′t walk any farther,Jenny.--- ( ) ,Tommy.You can do it!A.No problemB.No e onD.That ′s OK正确答案:C答案解析:由后文You can do it!可知,是鼓励对方“加油”,用come on。
2017届高三英语11月月考试题第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。
1. What will the two speakers do tonight ?A. Go to have dinner.B. Go bowling.C. Go boxing.2. What happened to the man?A. He lost his car.B. He had an accident.C. He was se nt to hospital.3. How is the woman punished?A. She can’t get his bonus.B. Her department has chang edC. Both A and B.4. What does the women expect?A. A smaller class.B. A good teacher.C. A chance to get a job.5. What can be seen along the road probably?A. The dustbins.B. Beautiful birds.C. Some dolphins.第二节(共15小题;每题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,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。
听下面一段对话,回答第6至7两个小题。
6. What does the woman advise to do first?A. To visit his parents.B. To see a film online.C. To meeta friend.7. How will the two speakers see a film?A. Stay at home and watch video.B. Stay at home and see one online.C. Go to the cinema and see one.听下面一段对话,回答第8和第9两个小题。
参考答案20 AABCA——15 ACBAB 16—1—5 ACBCB610 CBABC 11音频与考点分布信息音频信息总字数语速语音高考正常900美音速度考点分布信息观点态度推理判断事实细节主旨大意25 1 12原文与单题解析Text 1 29词找钢笔;1. What is the man looking for?A. His pen.B. His book.C. His phone.【解析】事实细节题。
根据材料中男士的话“I can't find my pen anywhere.”可知男士正在到处找他的钢笔,故选A。
Text 2 词29外出需加衣服;2. What does Carol's father ask her to do?A. Talk with her friends.B. Go out with him.C. Put on warm clothes.【解析】推理判断题。
根据材料中男士的话“but you can't go out in those clothes. It's freezing today.”和女儿回答“I'll wear something warmer.”可推知男士让女儿。
C穿上暖和点的衣服,故选.Text 3 词22研究小组的人数;s group now? 3. How many members are there in Alice'A. Two.B. Four.C. Six.there were six of us to begin with. 事实细节题。
根据材料中女士的话“【解析】。
BThen two people left.”可以简单地计算出女士的小组现在有4名成员,故选Text 4 词让孩子在厨房帮忙;404. What are the speakers talking about?A. Ways of cooking.B. Healthy food for kids.C. Kids helping in the kitchen.主旨大意题。
一、选择题1.如图所示,每个电阻的阻值都是2欧,安培表内阻不计,在B 、C 间加6伏电压时,安培表的示数是( )A .0安B .1安C .2安D .3安 【答案】B 【解析】试题分析:等效电路如图:则并联部分电阻为2R ,则电阻为R+2R =3Ω 则干路电流6232UI A R R =+== 则通过电流表的电流为 12I A =, 故选项ACD 错误,B 正确,故选B.考点:电阻的串联及并联;欧姆定律【名师点睛】考查串并联电路的特点,会画等效电路图,求电阻或电流.2.如图所示,AB 是某个点电荷的一根电场线,在电场线上O 点由静止释放一个负电荷,它仅在电场力作用下沿电场线向B 运动,下列判断正确的是 ( )A .电场线由B 指向A,该电荷做加速运动,加速度越来越小B .电场线由B 指向A ,该电荷做加速运动,加速度大小变化因题设条件不能确定C .电场线由A 指向B ,电荷做匀加速运动D .电场线由B 指向A,电荷做加速运动,加速度越来越大 【答案】B考点:电场线;电场强度【名师点睛】解决本题的关键掌握电场强度方向的判断,以及知道电场线越密的地方场强越强,越疏的地方场强越弱。
3.下列关于电场强度和电势的说法,正确的是( )A .由电场强度的定义式qF E =可知,电场中某点的电场强度E 与电荷所受电场力F 成正比,与电荷量q 成反比 B .由电势的定义式qE p =ϕ可知,电场中某点的电势ϕ与电荷的电势能pE 成正比,与电荷量q 成反比C .电场强度大的位置电势一定大,电场强度为零的位置电势一定为零D.电场强度是矢量,电势是标量【答案】D【解析】试题分析:电场强度的定义式E=F/q采用比值法定义的,E是由电场本身决定,与放入电场中试探电荷无关,不能说电场强度E与试探电荷在电场中该点所受的电场力F成正比,与该电荷的电荷量q 成反比,故A错误.电势的定义式φ=E p/q采用比值法定义的,φ与电荷的电势能Ep、电荷量q无关,故B错误.电场强度与电势没有直接关系,电场强度大的位置电势不一定大,电势的零点可人为选择,电场强度为零的位置电势不一定为零,故C错误.电场强度是矢量,电势是标量,故D正确.故选D。
第2课“罢黜百家,独尊儒术”一、选择题2019年题组1.(2019·北京高考·13)《诗》《书》等原是孔子编订的私学教材,至汉代,位列官方史书《汉书》的《艺文志》第一大部类“六艺略”。
导致这一变化的主要原因是()A.诸子“百家争鸣”B.始皇帝焚书坑儒C.汉武帝独尊儒术D.司马迁撰《史记》2.(2019·新课标全国Ⅱ卷高考·25)西汉初期,道家学说兼采阴阳、儒、墨、名、法各家学说的精髓;后来董仲舒的儒家学说也吸收阴阳五行、法、道等各种思想。
促成当时学术思想上呈现这种特征的主要因素是() A.王国势力强大B.百家争鸣局面的延续C.现实统治需要D.兼收并蓄的文化政策3.(2019·新课标全国Ⅲ卷高考·25)在今新疆和甘肃地区保存的佛教早期造像很多衣衫单薄,甚至裸身,面部表情生动;时代较晚的洛阳龙门石窟中,造像大都表情庄严,服饰亦趋整齐。
引起这一变化的主要因素是() A.经济发展水平B.绘画技术进步C.政治权力干预D.儒家思想影响2017年题组1.(2017.11·浙江高考·5)汉武帝时期,设立中央官学,培养《五经》博士,“自此以来,公聊大夫士吏彬彬多文学之士矣”。
中央官学的建立()A.推动了儒家思想正统地位的确立B.结束了大富豪子嗣垄断官位的局面C.有利于学生思想创新和个性发展D.促进了百家争鸣局面的进一步发展2016年题组1.(2016·新课标全国Ⅰ卷高考·24)孔子是儒家学派创始人,汉代崇尚儒学,尊《尚书》等五部书为经典,记录孔子言论的《论语》却不在“五经”之中。
对此合理的解释是()A.“五经”为阐发孔子儒学思想而作B.汉代儒学背离了孔子的儒学思想C.儒学思想植根于久远的历史传统D.儒学传统由于秦始皇焚书而断绝2014年题组1.(2014·上海高考·5)儒学成为官学是由哪位思想家的主张直接促成的()A.孔子B.孟子C.董仲舒D.朱熹2.(2014·全国新课标卷Ⅱ高考·25)秦朝法律规定,私拿养子财物以偷盗罪论处,私拿亲子财物无罪;西晋时规定,私拿养子财物同样无罪。
初一周练(一元一次方程应用题)2017.11.24更多数学资料加v: srxwx001一.选择题(共25小题,满分86分)1.(8分)解方程:(1)(2)﹣=3.2.(8分)一个两位数,个位上的数是十位数的2倍,如果把十位与个位上的数对调,那么所得的数比原两位数大36,求原两位数.3.(8分)有23人在甲方处劳动,17人在乙处劳动,现调20人去支援,使在甲处劳动人数是在乙处劳动的人数的2倍,应调往甲、乙两处各多少人?4.(8分)某车间有60个工人,生产甲、乙两种零件,每人每天平均能生产甲种零件24个或乙种零件12个.已知每2个甲种零件和3个乙种零件配成一套,问应分配多少人生产甲种零件,多少人生产乙种零件,才能使每天生产的这两种零件刚好配套?5.(8分)甲、乙两地相距217.5km,一列快车和一列慢车分别从甲、乙两地出发,相向而行.已知慢车每小时行35km,快车每小时行65km,如果慢车先开0.5h,问慢车开出后几小时两车相遇?6.(8分)某公司销售一种进价21元的电子产品,按标价的九折销售,仍可获利20%,则该公司销售这种电子产品时的标价是多少元?7.(8分)一天,小张和小李利用温度差测量山的高度,小张在山顶测得的温度是﹣1℃,小李在山脚下测得的温度是2℃,已知该地区高度每上升100m,气温下降约0.6℃,请你帮他们算算,这座山的高度大约是多少?8.(8分)王老师给小朋友分苹果和桔子,苹果数是桔子数的2倍.桔子每人分3个,多4个;苹果每人分7个,少5个.则有多少个小朋友,多少个苹果?9.(12分)仔细阅读下列材料.“分数均可化为有限小数或无限循环小数”.反之,“有限小数或无限循环小数均可化为分数”例如:=1÷4=0.25,1=1+=1+0.6=1.6或1==8÷5=1.6,=1÷3=0.,反之,0.25==,1.6=1+0.6=1+=1或1.6==,那么0.怎么化为呢?解:∵0.×10=3.=3+0.∴不妨设0.=x,则上式变为10x=3+x,解得x=即0.=根据以上材料,回答下列问题.(1)将“分数化为小数”:=;=.(2)将“小数化为分数”:0.=;1.5=.(3)将小数1.化为分数,需写出推理过程.10.(10分)一列火车正在匀速行驶,它用16秒的时间通过了一段长96米的隧道(即从车头进入入口到车尾离开出口).(1)若火车的速度是v米/秒,则火车的长度是米(用含v的代数式表示);(2)若火车的长度是s米,则火车的速度是米/秒(用含s的代数式表示);(3)若这列火车以之前的速度,又用21秒的时间通过了一段长176米的隧道,则以这样的速度,这列火车通过一段长320米的隧道需要多少秒?11.根据以下对话,分别求小红所买的笔和笔记本的价格.12.铁路旁的一条小路上,甲乙两人同时向东而行.甲步行,速度是1m/s;乙骑自行车,速度是3m/s.如果有一列匀速行驶的火车从他们的身后开过来,火车完全通过甲用了22s,完全通过乙用了26s,那么这列火车的车身有多长?13.把2016个正整数1,2,3,4,…,2016按如图方式排列成如图所示的数的方阵.(1)如图,用一个正方形框,在表中任意框住4个数,记左上角的一个数为x,另三个数x的代数式表示,则从小到大依次是,,.(2)当(1)中被框住的4个数之和等于2016时,x的值为多少?(3)在(1)中能否框住这样的4个数,使它们的和等于2015,等于2032.若能,求出x的值;若不能,说明理由.某校初一(1)、(2)两个班共104人去游公园,其中(1)班人数较少,不足50人.经估算,如果两个班都以班为单位购票,则一共应付1240元,问:(1)两班各有多少学生?(2)如果两班联合起来,作为一个团体购票,可省多少钱?(3)如果初一(1)班单独组织去游公园,作为组织者的你将如何购票才最省钱?15.泰州和姜堰某厂同时生产有某种型号的机器若干台,泰州厂可支援外地10台,姜堰厂可支援外地4台,兴化需要该种型号机器8台,泰兴需要6台,每台机器的运费(单位:元)如下表,设泰州运往兴化的机器为x台.(1)用x的代数式表示:(2)泰州运往兴化的运费是元(3)若运这批机器的总运费为6800元,则泰州运往兴化的机器应为多少台?(1)一个月内在本地通话200分钟,按方式一需交费多少元?按方式二呢?(2)对于某个本地通话时间,会出现按两种计费方式收费一样多吗?(3)如果你的爸爸新买一部手机,你会怎样帮他选择哪种计费方式?17.列方程解应用题今年某网上购物商城在“双11岁物节“期间搞促销活动,活动规则如下:①购物不超过100元不给优惠;②购物超过100元但不足500元的,全部打9折;③购物超过500元的,其中500元部分打9折,超过500元部分打8折.(1)小丽第1次购得商品的总价(标价和)为200元,按活动规定实际付款元.(2)小丽第2次购物花费490元,与没有促销相比,第2次购物节约了多少钱?(请利用一元一次方程解答)(3)若小丽将这两次购得的商品合为一次购买,是否更省钱?为什么?18.某小组计划做一批“中国结”,如果每人做5个,那么比计划多了8个,如果每人做4个,那么比计划少了14个,该小组共有多少人?计划做多少个“中国结”?19.两河流交汇于点M处,甲河流水速为4km/h,乙河流水速为2km/h,一船只在静水中的速度为10km/h.某次该船只,从甲河流的上游A行驶到交汇处M后再沿乙河流逆流而上到点B,总共行驶了69km.原路返回后,发现往返所用时间相等.求此次航行往返总时间.20.甲、乙两车站相距192公里,一列快车和一列慢车同时分别从甲、乙两站出发,快车每小时行72公里,慢车每小时行48公里.(1)如果两车相向而行,那么出发后几小时两车相遇?(2)如果两车同向而行,快车在慢车的后面,几小时后,快车追上慢车?(3)如果两车都从甲站开往乙站,慢车先出发小时,那么快车追上慢车时,离乙站还有多远?21.一车间原有80人,二车间原有372人,现因工作需要,要从三车间调4人到一车间,则还需从二车间调多少人去一车间,才能使二车间的人数是一车间的两倍?(列方程解应用题)22.一条环形公路长42千米,甲、乙两人在公路上骑自行车,速度分别是21千米/时、14千米/时.(1)如果两人同时同地反方向出发,那么经过几小时两人首次相遇;(2)如果两人同时同地同向出发,那么经过几小时两人首次相遇;(3)如果从同一地点同向前进,乙出发1小时后甲出发,那么甲经过几小时后追上乙.23.我市出租汽车起步价是5元,(行驶路程在2km以内都需5元车费),达到或超过2km后,每增加1km,另加1.5元(不足1km部分按1km计).现在李老师乘这种出租车从甲地到乙地,支付了14元,则从甲地到乙地路程范围大约是多少?24.如图为一块在电脑屏幕上出现的色块图,由6个颜色不同的正方形拼成的长方形,如果中间最小的正方形边长为1,求所拼成的长方形的面积.25.已知:线段AB=40cm.(1)如图1,点P沿线段AB自A点向B点以3厘米/秒运动,同时点Q沿线段BA自B点向A点以5厘米/秒运动,问经过几秒后P、Q相遇?(2)几秒钟后,P、Q相距16cm?(3)如图2,AO=PO=8厘米,∠POB=40°,点P绕着点O以20度/秒的速度顺时针旋转一周停止,同时点Q沿直线B自B点向A点运动,假若点P、Q两点能相遇,求点Q运动的速度.初一周练(一元一次方程应用题)2017.11.24参考答案与试题解析一.选择题(共25小题,满分86分)1.(8分)解方程:(1)(2)﹣=3.【解答】解:(1)去分母得:3(x﹣1)=8x+6,去括号得:3x﹣3=8x+6移项得:3x﹣8x=6+3合并同类项得:﹣5x=9系数化为1得:;(2)﹣=3.去分母得:5x﹣10﹣(2x+2)=3去括号得:5x﹣10﹣2x﹣2=3移项得:5x﹣2x=10+2+3合并同类项得:3x=15系数化为1得:x=5.2.(8分)一个两位数,个位上的数是十位数的2倍,如果把十位与个位上的数对调,那么所得的数比原两位数大36,求原两位数.【解答】解:设原来两位数的十位是a,则:20a+a﹣(10a+2a)=36,解得a=4,则2a=8即原两位数是48.3.(8分)有23人在甲方处劳动,17人在乙处劳动,现调20人去支援,使在甲处劳动人数是在乙处劳动的人数的2倍,应调往甲、乙两处各多少人?【解答】解:设调到甲处x人,则调到乙处(20﹣x)人,由题意得:23+x=2[17+(20﹣x)],解得:x=17.则20﹣x=3.答:应调往甲处17人,乙处3人.4.(8分)某车间有60个工人,生产甲、乙两种零件,每人每天平均能生产甲种零件24个或乙种零件12个.已知每2个甲种零件和3个乙种零件配成一套,问应分配多少人生产甲种零件,多少人生产乙种零件,才能使每天生产的这两种零件刚好配套?【解答】解:设分配x人生产甲种零件,则共生产甲零件24x个和乙零件12(60﹣x),依题意得方程:,解得x=15,60﹣15=45(人).答:应分配15人生产甲种零件,45人生产乙种零件,才能使每天生产的这两种零件刚好配套.5.(8分)甲、乙两地相距217.5km,一列快车和一列慢车分别从甲、乙两地出发,相向而行.已知慢车每小时行35km,快车每小时行65km,如果慢车先开0.5h,问慢车开出后几小时两车相遇?【解答】解:设慢车开出后x小时两车相遇,依题意有35x+65(x﹣0.5)=217.5,解得x=2.5.答:慢车开出后2.5小时两车相遇.6.(8分)某公司销售一种进价21元的电子产品,按标价的九折销售,仍可获利20%,则该公司销售这种电子产品时的标价是多少元?【解答】解:设该公司销售这种电子产品时的标价是x元,依题意有0.9x=21×(1+20%),解得x=28.答:该公司销售这种电子产品时的标价是28元.7.(8分)一天,小张和小李利用温度差测量山的高度,小张在山顶测得的温度是﹣1℃,小李在山脚下测得的温度是2℃,已知该地区高度每上升100m,气温下降约0.6℃,请你帮他们算算,这座山的高度大约是多少?【解答】解:设这座山的高度大约是xm,依题意有×0.6=2﹣(﹣1),解得x=500.答:这座山的高度大约是500m.8.(8分)王老师给小朋友分苹果和桔子,苹果数是桔子数的2倍.桔子每人分3个,多4个;苹果每人分7个,少5个.则有多少个小朋友,多少个苹果?【解答】解:设有x个小朋友,依题意有2(3x+4)=7x﹣5,解得x=13,7x﹣5=91﹣5=86.答:有13个小朋友,86个苹果.9.(12分)仔细阅读下列材料.“分数均可化为有限小数或无限循环小数”.反之,“有限小数或无限循环小数均可化为分数”例如:=1÷4=0.25,1=1+=1+0.6=1.6或1==8÷5=1.6,=1÷3=0.,反之,0.25==,1.6=1+0.6=1+=1或1.6==,那么0.怎么化为呢?解:∵0.×10=3.=3+0.∴不妨设0.=x,则上式变为10x=3+x,解得x=即0.=根据以上材料,回答下列问题.(1)将“分数化为小数”:= 1.75;=0..(2)将“小数化为分数”:0.=;1.5=.(3)将小数1.化为分数,需写出推理过程.【解答】解:(1)7÷4=1.75;4÷11=0.;故答案为:1.75;0.;(2)设0.=x,根据题意得:10x=4+x,解得:x=;设0.0=x,则10x=0.3+x,解得:x=.1.5==.故答案为:;.(3)设0.=x,根据题意得100x=2+x,解得:x=,1.=1+=.10.(10分)一列火车正在匀速行驶,它用16秒的时间通过了一段长96米的隧道(即从车头进入入口到车尾离开出口).(1)若火车的速度是v米/秒,则火车的长度是(16v﹣96)米(用含v的代数式表示);(2)若火车的长度是s米,则火车的速度是米/秒(用含s的代数式表示);(3)若这列火车以之前的速度,又用21秒的时间通过了一段长176米的隧道,则以这样的速度,这列火车通过一段长320米的隧道需要多少秒?【解答】解:(1)火车的长度是(16v﹣96)米;(2)火车的速度是米/秒;(3)依题意有=,解得s=160,==16.(160+320)÷16=480÷16=30(秒).答:这列火车通过一段长320米的隧道需要30秒.故答案为:(16v﹣96),.11.根据以下对话,分别求小红所买的笔和笔记本的价格.【解答】解:设笔的价格为x元/支,则笔记本的价格为3x元/本由题意,10x+5×3x=30解之得x=1.2,3x=3.6答:笔的价格为1.2元/支,则笔记本3.6元/本12.铁路旁的一条小路上,甲乙两人同时向东而行.甲步行,速度是1m/s;乙骑自行车,速度是3m/s.如果有一列匀速行驶的火车从他们的身后开过来,火车完全通过甲用了22s,完全通过乙用了26s,那么这列火车的车身有多长?【解答】解:设这列火车的速度是x米/秒,依题意列方程,得(x﹣1)×22=(x﹣3)×26,22x﹣22=26x﹣78,26x﹣22x=78﹣22,4x=56,x=56÷4,x=14.火车的车身长为:(14﹣1)×22=286(米).答:这列火车的车身有286米.13.把2016个正整数1,2,3,4,…,2016按如图方式排列成如图所示的数的方阵.(1)如图,用一个正方形框,在表中任意框住4个数,记左上角的一个数为x,另三个数x 的代数式表示,则从小到大依次是x+1,x+7,x+8.(2)当(1)中被框住的4个数之和等于2016时,x的值为多少?(3)在(1)中能否框住这样的4个数,使它们的和等于2015,等于2032.若能,求出x的值;若不能,说明理由.【解答】解:(1)记左上角的一个数为x,则另三个数用含x的式子表示出来,从小到大依次是x+1,x+7,x+8.故答案为:x+1;x+7,;x+8.(2)根据题意可得:x+(x+1)+(x+7)+(x+8)=2016,解得:x=500答:x的值是500.(3)不能.假设能框住这样的4个数,它们的和等于2015,则x+(x+1)+(x+7)+(x+8)=2015,解得:x=499.75,因为不是整数,不符合题意,因而不能.假设能框住这样的4个数,它们的和等于2032,则x+(x+1)+(x+7)+(x+8)=2032,解得:x=504,因为504,505,511,512不在同一个正方形框内,不符合题意,因而不能.14.公园门票价格规定如下表:某校初一(1)、(2)两个班共104人去游公园,其中(1)班人数较少,不足50人.经估算,如果两个班都以班为单位购票,则一共应付1240元,问:(1)两班各有多少学生?(2)如果两班联合起来,作为一个团体购票,可省多少钱?(3)如果初一(1)班单独组织去游公园,作为组织者的你将如何购票才最省钱?【解答】解:(1)设初一(1)班有x人,则有13x+11(104﹣x)=1240或13x+9(104﹣x)=1240,解得:x=48或x=76(不合题意,舍去).即初一(1)班48人,初一(2)班56人;(2)1240﹣104×9=304,∴可省304元钱;(3)要想享受优惠,由(1)可知初一(1)班48人,只需多买3张,51×11=561,48×13=624>561∴48人买51人的票可以更省钱.15.泰州和姜堰某厂同时生产有某种型号的机器若干台,泰州厂可支援外地10台,姜堰厂可支援外地4台,兴化需要该种型号机器8台,泰兴需要6台,每台机器的运费(单位:元)如下表,设泰州运往兴化的机器为x台.(1)用x的代数式表示:(2)泰州运往兴化的运费是400x元(3)若运这批机器的总运费为6800元,则泰州运往兴化的机器应为多少台?【解答】解:(1)用x的代数式表示:(2)泰州运往兴化的运费是400x元(3)设泰州运往兴化的机器应为x台,依题意有300(x﹣4)+500(8﹣x)+600(10﹣x)+400x=6800,解得x=5.故泰州运往兴化的机器应为x台.故答案为:x﹣4,8﹣x,10﹣x;400x.16.根据下面的两种移动电话计费方式表,考虑下列问题(1)一个月内在本地通话200分钟,按方式一需交费多少元?按方式二呢?(2)对于某个本地通话时间,会出现按两种计费方式收费一样多吗?(3)如果你的爸爸新买一部手机,你会怎样帮他选择哪种计费方式?【解答】解:(1)他应选择“方式二”业务;使用“方式一”全需要30+0.3×200=90元,使用“方式二”需要0.4×200=80元,80<90,所以他应选择“方式二”业务.(2)设每月通话时间为x分钟时,两种计费方式收费一样多,30+0.3x=0.4x,解得x=300.故每月通话时间为300分钟时,两种计费方式收费一样多.(3)当每月通话时间少于300分钟时,选择“方式二”计费方式;当每月通话时间等于300分钟时,选择两种计费方式收费一样多;当每月通话时间多于300分钟时,选择“方式一”计费方式.17.列方程解应用题今年某网上购物商城在“双11岁物节“期间搞促销活动,活动规则如下:①购物不超过100元不给优惠;②购物超过100元但不足500元的,全部打9折;③购物超过500元的,其中500元部分打9折,超过500元部分打8折.(1)小丽第1次购得商品的总价(标价和)为200元,按活动规定实际付款180元.(2)小丽第2次购物花费490元,与没有促销相比,第2次购物节约了多少钱?(请利用一元一次方程解答)(3)若小丽将这两次购得的商品合为一次购买,是否更省钱?为什么?【解答】解:(1)200×0.9=180(元).答:按活动规定实际付款180元.(2)∵500×0.9=450(元),490>450,∴第2次购物超过500元,设第2次购物商品的总价是x元,依题意有500×0.9+(x﹣500)×0.8=490,解得x=550,550﹣490=60(元).答:第2次购物节约了60元钱.(3)200+550=750(元),500×0.9+(750﹣500)×0.8=450+200=650(元),∵180+490=670>650,∴小丽将这两次购得的商品合为一次购买更省钱.故答案为:180.18.某小组计划做一批“中国结”,如果每人做5个,那么比计划多了8个,如果每人做4个,那么比计划少了14个,该小组共有多少人?计划做多少个“中国结”?【解答】解:设小组共有x人,则计划做的中国结个数为:(5x﹣8)或(4x+14)个,依题意有5x﹣8=4x+14,解得:x=22,则5x﹣8=102.答:小组共有22人,计划做102个中国结.19.两河流交汇于点M处,甲河流水速为4km/h,乙河流水速为2km/h,一船只在静水中的速度为10km/h.某次该船只,从甲河流的上游A行驶到交汇处M后再沿乙河流逆流而上到点B,总共行驶了69km.原路返回后,发现往返所用时间相等.求此次航行往返总时间.【解答】解:设甲河流的上游A到交汇处M的路程为xkm,则交汇处M到乙河流的路程为(69﹣x)km,依题意有+=+,解得x=21,(+)×2=(+)×2=15.答:此次航行往返总时间是15h.20.甲、乙两车站相距192公里,一列快车和一列慢车同时分别从甲、乙两站出发,快车每小时行72公里,慢车每小时行48公里.(1)如果两车相向而行,那么出发后几小时两车相遇?(2)如果两车同向而行,快车在慢车的后面,几小时后,快车追上慢车?(3)如果两车都从甲站开往乙站,慢车先出发小时,那么快车追上慢车时,离乙站还有多远?【解答】解:(1)设两车同时开出相向而行,经x小时相遇,即72x+48x=192,解得:x=1.6.答:经过1.6小时两车相遇.(2)设两车同时开出同向而行,经y小时相遇,即72y﹣48y=192,解得:y=8.答:经过8小时两车相遇.(3)设经过z小时快车追上慢车,根据题意得:72z=48(z+)解得:z=2.5小时,此时离乙车站192﹣72×2.5=12公里,答:快车追上慢车时,离乙站还有12公里.21.一车间原有80人,二车间原有372人,现因工作需要,要从三车间调4人到一车间,则还需从二车间调多少人去一车间,才能使二车间的人数是一车间的两倍?(列方程解应用题)【解答】解:设需从二车间调x人去一车间,依题意得:2×(80+4+x)=372﹣x,解得:x=68.答:从二车间调68人去一车间,才能使二车间的人数是一车间的两倍.22.一条环形公路长42千米,甲、乙两人在公路上骑自行车,速度分别是21千米/时、14千米/时.(1)如果两人同时同地反方向出发,那么经过几小时两人首次相遇;(2)如果两人同时同地同向出发,那么经过几小时两人首次相遇;(3)如果从同一地点同向前进,乙出发1小时后甲出发,那么甲经过几小时后追上乙.【解答】解:(1)设x小时相遇,根据题意得:(21+14)x=42解得:x=答:经过小时两车相遇;(2)设经过y小时两车相遇,根据题意得:(21﹣14)y=42,解得:y=6小时;答:经过6小时两人首次相遇;(3)设经过z小时甲追上乙,根据题意得:21z=14(z+1),解得:z=2,答:甲经过2小时后追上乙.23.我市出租汽车起步价是5元,(行驶路程在2km以内都需5元车费),达到或超过2km后,每增加1km,另加1.5元(不足1km部分按1km计).现在李老师乘这种出租车从甲地到乙地,支付了14元,则从甲地到乙地路程范围大约是多少?【解答】解:设从甲地到乙地路程至少是xkm,由题意得,5+1.5(x﹣2)=14,解得x=8.答:从甲地到乙地路程S范围大约是8km≤S<9km.24.如图为一块在电脑屏幕上出现的色块图,由6个颜色不同的正方形拼成的长方形,如果中间最小的正方形边长为1,求所拼成的长方形的面积.【解答】解:设右下方两个并排的正方形的边长为x,则x+2+x+3=x+1+x+x,解得x=4所以长方形长为3x+1=13宽为2x+3=11,所以长方形面积为13×11=143.答:所拼成的长方形的面积为143.25.已知:线段AB=40cm.(1)如图1,点P沿线段AB自A点向B点以3厘米/秒运动,同时点Q沿线段BA自B点向A 点以5厘米/秒运动,问经过几秒后P、Q相遇?(2)几秒钟后,P、Q相距16cm?(3)如图2,AO=PO=8厘米,∠POB=40°,点P绕着点O以20度/秒的速度顺时针旋转一周停止,同时点Q沿直线B自B点向A点运动,假若点P、Q两点能相遇,求点Q运动的速度.【解答】解:(1)设经过ts后,点P、Q相遇.依题意,有3t+5t=40,解得t=5.答:经过5秒钟后P、Q相遇;(2)设经过xs,P、Q两点相距16cm,由题意得3x+5x+16=40或3x+5x﹣16=40,解得:x=3或x=7.答:经过3秒钟或7秒钟后,P、Q相距16cm;(3)点P,Q只能在直线AB上相遇,则点P旋转到直线AB上的时间为40÷20=2s或(40+80)÷20=11s.设点Q的速度为ycm/s,则有2y=40﹣16,解得y=12或11y=40,解得y=.答:点Q运动的速度为12cm/s或cm/s.。
(完整word版)2017年11月高考英语试题绝密★考试结束前2017年11月浙江省普通高校招生选考科目考试英语试题选择题部分第一部分听力(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,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.£19.15.B.£9.18.C.£9.15.答案是C。
1.What is the man looking for?A. His penB. His bookC. His phone2.What does Carol’s father ask her to do?A. Talk with her friendsB. Go out with him.C. Put on warm clothes.3.How many members are there in Alice’s group now?A. TwoB. FourC. Six4.What are the speakers talking about?A. Ways of cookingB. Healthy food for kidsC. Kids helping in the kitchen.5.What is the woman?A. She’s a shop assistantB. She’s a receptionistC. She’s a secretary.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,并标在试卷的相应位罝。
完形:Two sons worked for their father on the family’s farm. The __16___brother had been given more responsibility and ___17___ for some years, and one day the older brother asked his father to _18___ why.The father said, “First, go to the Kelly’s _19____and see if they have any geese for sal e —we need to add to our stock(家畜).” The older brother soon returned with the _20____, “Yes, they have five geese they can _21__ to us.” T he father then said, “Good, please ask them the ___22____.” The son returned with the answer again, “The geese are £10 each.” The father said, “Good, now ask if they can __23___ the geese tomorrow.” And __24__ the son returned with the answer, “ Yes, they can deliver(发送)the geese tomorrow.”Next the father asked the older brother to wait and __25___, and then called to the younger brother in a _26____ field, “Go to the Davidson’s farm and see if they have any __27___ for sale—we need to add to our stock.”The younger brother soon returned with the answer, “Yes, they have fi ve geese for £10 each, __28___ ten geese for £8 each; and they can deliver them tomorrow—I asked them to deliver the five __29____ they heard something different __30___ us in the next hour. And they agreed that if we want the __31___ five geese we could __32___ them at £6 each.”The father__33____ to the older son, who __34___ his head in appreciation—he now __35__ why his brother was given more responsibility and reward.16. A. older B. younger C. taller D. thinner17. A. reward B. guide C. right D. chance18. A. translate B. ignore C. explain D. discuss19. A. shop B. market C. factory D. farm20. A. quality B. journey C. answer D. request21. A. send B. sell C. give D. offer22. A. price B. date C. time D. place23. A. prepare B. deliver C. order D. provide24. A. in a short time B. at all times C. ever since D. at an end25. A. research B. recognize C. pack D. listen26. A. rich B. small C. nearby D. green27. A. geese B. chickens C. pigs D. ducks28. A. though B. or C. but D. and29. A. after B. until C. unless D. if30. A. in B. on C. of D. from31. A. extra B. spare C. unusual D. special32. A. visit B. buy C. borrow D. escape33. A. turned B. pointed C. talked D. smiled34. A. shook B. lowered C. bent D. nodded35. A. wondered B. understood C. educated D. noticed任务型阅读:If you are hungry, what do you do? Have your favorite meal and stay quiet after that? ___51___But it never lets you know, because you keep it busy thinking about your friends or favorite stars. So it silently severs your needs and never lets itself grow. When mind losses its freedom to grow, creativity sets a full stop. This might be the reason why we all sometimes think “What happens next?”, Why can’t I think?”___52_____ Why reading but not watching TV? It is because reading has been the most educative tool used by us right from childhood. Since it develops other aspects (方面)of our life, we have to take help from reading.Once you read a book, you run your eyes through the lines and your mind tries to explain something to you. ___53____ Now this seed is unknowingly used by you to develop new ideas. If it is used many times, the same seed can give you great help to relate a lot of things, which you would have never thought of in your wildest dreams!This is nothing but creativity. ___54____ Within no time you can start talking with your friends in English or any other language and never run out of (用完)the right words.So guys, do give food to your thoughts by reading, reading and more reading. ____55_____ Go and get a book!A.The interesting part of the book is stored in your mind as a seed.B.Why not do some reading while you are hungry?C.Just like your stomach, your mind is also hungry.D.Now what are you waiting for?E.Hunger of the mind can be actually solved through wide reading.F.Reading can help you make more friends, too.G.Also this makes a significant contribution to your vocabulary. (并且这对你的词汇会做出有意义的贡献)高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD高一英语B段11月25日星期二答案完形填空:16-20 BACDC 21-25 BABAD 26-30 CABCD 31-35 ABADB 任务型阅读51—55 CEAGD。
2017.11.25练习
1.请根据题目要求回答下列问题。
(1)右图为托盘天平,使用托盘天平称物品的
正确操作顺序为(填序号)。
①调游码②放称量纸③称量物放左盘
④调零点⑤加质量大的砝码⑥加质量小的砝码
A.①②③④⑤⑥B.④②③⑤⑥①
C.④⑤⑥①②③
(2)在小烧杯中加入硫酸铜溶液后,加入铁钉,称量总质量为m1,发生反应的实验现象为____________________________________,反应发生了一段时间后,再称量小烧杯及烧杯内物质的总质量为m2,则(填“=”“>”“<”)m1m2。
(3)如右图装置中,称量小烧杯中所有物质的质量m1,
然后将小烧杯中的碳酸钠与盐酸完全混合,发生反应的
化学方程式为,
反应发生了一段时间后,再称量小烧杯及烧瓶内物质的总
质量为m2,则(填“=”“>”“<”)m1m2,
其原因为。
(4)在4A + 5B = 4C + 6D的反应中,C、D相对分子质量之比为15:9,若有1.7g A与B 完全反应生成3gC,则B和C的质量比为。
2.某补钙保健品的部分内容如下。
【主要原料和配料】碳酸钙、维生素D、乳糖、淀粉等
【功效成份】每片中含:钙500mg、维生素D100IU等
【规格】2.5g/片
【贮藏方法】密闭,置阴凉干燥处
(1)某课外小组利用实验,探究该保健品中是否含有碳酸钙。
请你帮助他们完成探究报告。
实验室提供仪器如下。
猜想:该药品中含有碳酸钙。
设计实验:
结论:根据标签和实验,可初步推断,该药片中含有碳酸钙。
(2)若钙元素均以碳酸钙的形式存在,每片药片中含有碳酸钙的质量为。
3.(6分)下图中表示中学几种常见的物质在一定条件下可以转化,A是石灰石的主要成分,E、G为黑色的粉末,C为无色液体,H为紫红色固体。
(部分条件省略)
⑴写出下列物质的化学式:A C D E F
⑵CO2通入D澄清溶液的化学反应方程式是:。
4.(6分)某学习小组围绕“气体实验室制取”进行了研讨。
请你参与完成下面的问题。
(1)原理分析:实验室制取CO2的化学方程式为。
不用Na2CO3与盐酸反应制取CO2的原因是。
(2)发生装置:图①装置中仪器a的名称是。
实验室常用无水醋酸钠固体与碱石灰在加热的情况下制CH4,应选图(填序号)发生装置。
(3)收集装置:实验室收集NH3(极易溶于水)应采用的方法是。
收集有毒气体SO2时,常采用③收集装置,气体应从(填字母)端通入。
5.(7分)达州盛产天然气,有“中国气都”之称的美誉。
天然气的主要成分是甲烷(CH4),某校化学兴趣小组的同学对甲烷燃烧的产物产生了兴趣,请你参与:
【提出问题】:甲烷燃烧后生成哪些物质?
【查阅资料】:含碳元素的物质完全燃烧生成CO2,不完全燃烧生成CO;无水CuSO4遇水变蓝。
【猜想与假设】:甲 CO2 H2O ;乙 CO H2O;
丙 NH3 CO2 H2O;丁 CO2 CO H2O 。
你认为同学的猜想是错误的,理由是。
【实验探究】:为了验证上述猜想与假设,将甲烷在一定量的O2中燃烧的产物依次通过下列装置:
(1)A、B装置的顺序能否颠倒?(填“能"或“否”)。
(2)实验中观察到A中无水CuSO4变蓝,B、D中澄清石灰水变浑浊,C中红色粉末变成黑色,由此
推断同学猜想成立。
(3)请写出C中红色粉末变成黑色的化学方程式:。
【反思与交流】:为避免有毒的CO污染环境,所以含碳元素的物质燃烧必须满足的条件是。
D装置后添加一大气球的原因是:。
6.已知有如下反应可以发生:HCl+NaOH=NaCl+H2O,浓硫酸可吸水,CuSO4(白)+5H2O =CuSO4·5H2O(蓝)。
如下图所示,将锌粒放入盛有稀盐酸容器中,反应发生一段时间后,给装置D中的药品加热,稍后可见E中白色粉末变蓝。
请回答:
(1) E 中白色粉末变蓝说明D 中反应产物有生成,装置A 中发生反应的化学方程式为,装置D 中发生反应的化学方程式为。
(2) 装置B 的作用是,装置C 的作用是。
(3) A 装置中反应发生一段时间后,再给装置D 中药品加热,其目的是。
1.(共7分,)(1)B (2)铁钉上附着红色物质,溶液由蓝色逐渐变为浅绿色 =
(3) Na 2CO 3 + 2HCl = 2NaCl + CO 2↑ + H 2O >
因生成的二氧化碳扩散到空气中,依据质量守恒定律,反应前烧杯中反应物的总质量大于使反应后烧杯中剩余物的总质量。
(4)4:3
2.(共6分,每空1分)(1)
(2)1.25g
3.(6分)⑴A .CaCO 3 C .H 2O D .Ca(OH)2 E .C F .CO
⑵CO 2 +Ca(OH)2 == CaCO 3↓+ H 2O
4.(6
分) ⑴CaCO 3 + 2HCl === CaCl 2 + H 2O + CO 2↑ 反应速率过快,不便于收集气体 ⑵锥形瓶 ②⑶向下排空气法收集 C
5.(7分)
丙 不遵守元素守恒(或其它合理答案)
⑴否 ⑵丁 ⑶ 3CO + Fe 2O 3 ==== 2Fe + 3CO 2 与足量的氧气充分接触 防止污染空气 6.(1) H 2O ;Zn +2HCl =ZnCl 2+H 2↑;H 2+CuO Cu +H 2O
(2) 吸收稀盐酸挥发出的氯化氢气体;干燥H 2
(3) 排尽试管内空气,防止加热时,H 2与空气混合发生爆炸
23. 大理石或石灰石;稀盐酸;铁网与稀盐酸反应生成氢气,使制得的CO 2不纯;Fe 高温。