第一册第一单元课后题答案

合集下载

新概念大学英语(一到四册)最全课后完整答案

新概念大学英语(一到四册)最全课后完整答案

新概念大学英语(一到四册)最全课后完整答案(前五单元课后III,IV,完形填空)第一册第一单元1. The years he spent in the countryside proved to be a(n) _ regarding experience.2. You can learn a lot from this online course. It is designed to help communicate people communicate better through speech and writing.3. Over a third of the population was estimated to have no access to health service.4. Asking too many personal questions during an interview can lead to a(n) embarrassing situation.5. Don’t just complain about what’s wrong with it; suggest some positive ways to solve the problem.6. No one in the class could match John’s hard work and commitment to study, which is why the professor liked him.7. The website allows you to take a(n) virtual tour of the well-known city which was there about 2,000 years ago.8. Those who dare not answer questions in a traditional classroom can easily enjoy the benefits of online courses.9. He couldn’t join the police because he was below the minimum height allowed by the rules.10. Many new opportunities will be opened up in the future for those with a university education.IV.1. After twenty years as a chain smoker, Mr. Nathe has given up the habit.2. I hope that our talk has given you some insights into the kind of work that we’ve been doing.3. It was clear that much of what he said was far from the truth. Anyone with common sense would have a hard time believing it.4. You have to be patient with small children, since they cannot tell the difference between right and wrong.5. Hard as they tried, the newspaper reporters couldn’t get access to the building where the murder had taken place two hours before.6. He was so ill that he was unable to keep up with what was going on.7. The time has come for us to reap the benefits of the strong foundations we laid in science and technology.8. He wished to have the opportunity to participate in the sports meet.9. Even though they are poor, they are against the plan to trade land for goods and money.10. I’m doing this to create circumstances under which we can communicate with each other easily. Vocabulary第二单元1. If the bike __appeals___ to you that much, why not buy it? You just got paid yesterday.appeals2. He managed to hide his __identity _ and moved to a new town where people would not know him.identity3. All of your __concern __ was for nothing, because I was safe all night.concern4. It was worse than horrible; the smell in the room was so __disgusting__ that it actually made me sick. disgusting5. I wasn't quite angry, but I was a little _upset___ when my noodles were cooked poorly.upset6. Modern music may have a negative __influence__ as well as a positive one on teenagers.influence7. He has made an __offensive__ remark that angers all of us.offensive8. On hearing the news, the mother __burst__ into tears and rushed out of the room, followed by a few other people.burst9. I bought some computer paper, but when I got it home I found it was the wrong stuff.10. I want you to be very _thorough___ when you look in the park for the missing woman so you won't miss her.1. Sandy's father could not stand the offensive music, so he asked her to turn it _off/down___.2. I can't turn the tap __off__, and there's water all over the floor.3. He is busy ____ usual, giving lectures and working on the textbook.as4. She asked the students who were working in the dark classroom why they hadn't turned the lights ____.on5. Sinking in the sand, he reached ____ his friend's hand, but it was too far away.for6. Teachers may exercise more influence ____ their students than parents.on/upon7. The rock and roll music appeals especially ____ young people.to8. I'd like to talk your offer ____ with my wife before deciding whether to take it or not.over9. The money offered may not be much, but ____ any case I'll take the job.in10. Perhaps listening to light music may get rid ____ some of the knots in your stomach.of第三单元Unit 103AIII.1. ____ I was very unhappy with what he had said, but I didn't show it.Inwardly2. I deeply ____ to inform you that we cannot accept such conditions.regret3. He translated books not only from English, but also, on ____, from French.occasion4. The young couple ____ about the high cost of visiting Europe.complained5. He had repeatedly ____ her to come to the United States to join him, but she refused to leave her homeland. urged6. Government officials visited the flood area on Thursday morning to ____ the relief efforts.coordinate7. He showed great ____ in signing the agreement, but he finally did it.reluctance8. Driving his new red sports car, he was sure his neighbors were looking at him with ____.envy9. You will have to ____ yourself to a completely new life in the United States when you get there.adjust10. We were ____ to hear the news that the well-known writer, in her late eighties, was still writing a book. amazedIV.1. They engaged ____ a serious discussion for several hours without reaching any important decisions.in2. We hope all children can live in a world free ____ violence.of3. He is home ____ leave from the Navy now, and he'll be at home for another two weeks.on4. He visits the bookstore at the subway station ____ occasion to see whether any new books have come out. on5. Will you see ____ it that this letter gets posted today? It has to reach the head office before Thursday.to6. I was in a nightclub in New York, when a fire broke ____.out7. It has been hard to adjust ____ the idea of being a junior clerk, but now I enjoy it.to8. No one would willingly subject himself ____ such rude treatment.to9. In evaluating applicants, this company leans heavily ____ interviews.on10. The police received several complaints ____ the noise from the party held by our next-door neighbor. about第四单元Unit 104A1. He suddenly became ____ that he was the only man who wasn't wearing a suit at the party.conscious2. My sister has been really ____ since she lost her job.depressed3. The ages of the students in our online school ____ from 20 to 40.ranges4. I remember that when I was a child I was very ____ with how many toys you had.impressed5. Although my chance ____ with this famous artist was 30 years ago, I still remember it very well. encounter6. After a brief ____ by the chairman, the speaker began her lecture on how to make a good impression. introduction7. We decided to paint the doors blue to ____ the walls.match8. We are often attracted to another person because of their ____ appearance, and sometimes because of their ideas, opinions, and goals.physical9. He ____ himself by listening to his favorite song before he addressed the meeting.relaxed10. In a formal interview, you should always try to maintain good eye ____ with the interviewers.contact1. These students ____ the cause of helping those who are not able to help themselves.are committed to2. Don't joke with Linda; she ____ everything far too ____.takes… seriously3. For the next two hours she ____ the film, which turned out to be as good as she had hoped.was absorbed in4. He has given up running in order to ____ the long jump.focus on5. Once he ____ to do something, there was no stopping him.made up his mind6. Would you please turn the radio down while I'm reading? The loud noise is ____.driving me crazy7. In this store, you can find a wide variety of TV sets with prices ____ $500 ____ $1,000.ranging from… to8. She didn't feel ____ in the match. That's why she lost the game.at her best9. It is only a test you've failed. ____; it's not a matter of life or death.Lighten up10. She was so shy that she ____ the floor while talking to the class.kept her eyes on第五单元U105A1. Once you have had the disease, you are ____ to it for the rest of your life, which means that you cannot get it again.immune2. Though he worked very hard, it took him a long time to ____ the skills he needed to become a professional artist.acquire3. The spread of international crime and corruption ____ a major threat to the global economy.constitutes4. Each of us might ____ the concept of freedom in a slightly different way.define5. It predicts that 300 million people will become ____ in the next ten years and, without treatment, each victim will ____ 10 to 15 others every year.infected infect6. This story, which tells about a man protecting his wife and children, ____ how important the family is in Asian culture.illustrates7. At the airport, people stood behind a metal fence waiting for passengers to ____ from customs.emerge8. When applying for a job, make sure you ____ the skills and knowledge you have that an employer would find important to the job.emphasize/emphasise9. There is no doubt that this new type of tire ____ a major advance in road safety; you feel safer when drivingon the highway.represents10. When they found out his identity, they ____ to kill him if he did not respond to their demands.threatened1. Everyone has the right to live where he wants to, ____ the color of his skin.regardless of2. The disease is spreading, and all the children under five are ____.at risk3. Outside the Embassy, students were ____ leaflets (传单) to everyone who passed by.handing out4. Tom admits that watching TV sometimes ____ him ____ his homework.distracts… from5. We will not have the picnic unless more people ____ it.sign up for6. People can only ____ HIV in a limited number of ways.be infected with7. Doing exercises regularly can ____ a number of diseases.guard against8. A lot of people don't ____ speaking in public.feel comfortable about/ with9. Laurence visited us ____ John who was unfortunately ill.in place of10. Women ____ iron deficiency can take supplements in the form of tablets.suffering from第二册Unit 11. Lawyers such high fees, but they never seem to be short of clients. Correct answer(s) charge2. It is a matter of that male businesspeople usually wear suits on formal occasions.Correct answer(s) convention3. These people are very , very organized and excellent time managers. Correct answer(s) efficient4. Julian says she hopes to get a job and find a way to a college education. Correct answer(s) obtain5. Having studied business at college and knowing two foreign languages, my secretary is perfectly for her job. Correct answer(s) competent6. The leading economists of the country have been the influence of the current crisis upon its economy. Correct answer(s) assessing7. The general public did not have confidence that the government would be able to this difficult job. Correct answer(s) fulfill8. The company is a survey to find out local reaction to their recently promoted product. Correct answer(s) conducting9. The rain was heavy and the land was flooded. Correct answer(s) consequently10. The discovery of the oilfield is of great to the economy in this region. Correct answer(s) significance1. We can't afford to fall other businesses in using new technology. (behind)2. Realizing that his retirement was near hand, he looked for some additional income that would provide for his children. (at)3. Months of secret talks with the opposition party finally resulted the setting free of the political prisoners. (in)4. When the car broke down on the highway for a third time, John's patience completely ran . (out)5. He cannot go without wine even for one day; he is a complete slave drink. (to)6. What one thinks and feels is, in the eyes of social scientists, mainly due tradition, habit, and education. (to)7. It is a real honor to have the opportunity of meeting the well-known scientist person. (in)8. Happiness doesn't necessarily go money. (within)9. In the thick forest, you can walk from the edge till your feet ache, and still you'll see nothing tall trees and other plants. (but)10. Every day the manager has to account to the chairman how he spends the company's money. (for)Unit 21. I would like to find a job in a(n) company after I graduate. Correct answer(s) promising2. The mother couldn't help laughing at her little boy's appearance. Correct answer(s) amusing3. The tall man his head so that he could enter the room. Correct answer(s) lowered4. Though the plan didn't work well, he in following it. Correct answer(s) persisted5. Should it be a failure, as many experts predict, it would as one of the worst man-made disasters. Correct answer(s) rank6. Don't at others in any situation no matter how angry you are. Correct answer(s) swear7. It is really that she didn't get promoted just because of her skin color! Correct answer(s) unfair8. She was very glad to see the of many old friends at her birthday party. Correct answer(s) presence9. Why are you all the time? Try to look happy! Correct answer(s) frowning10. I cannot tell the exact number; 100 students will be presented with medals as recognition of their excellence. Correct answer(s) approximately1. Ellen is a devoted friend; you can always count her whenever you are in trouble. Correct answer(s) on2. The other day I came a friend when I was walking aimlessly on the street. Correct answer(s) upon3. The woman in red looks so familiar to me; I must have met her some occasion. Correct answer(s) on4. Why didn't you ask him to prepare for the test advance? He could have done it better. Correct answer(s) in5. I will no means give up my plan, despite all kinds of challenges and difficulties. Correct answer(s) by6. Thinking little of other people, the young man is always indifferent others' sufferings. Correct answer(s) to7. The girl felt ill at ease the presence of a lot of famous people. Correct answer(s) in8. Taking little notice what people said about her, Ann went on with her own life. Correct answer(s) of9. I saw Laura sitting by the window in a café across the street, obviously reflecting something. Correct answer(s) on10. As my true friend, Joseph never fails to point my mistakes. Correct answer(s) out1. I firmly believe that this agreement will be for our mutual benefit .2. People have bought these houses under the illusion that their value would just keep on rising .3. The project has been canceled by the local government for lack of public resources .4. The clerk must have overlooked your name , because he said you weren’t here .5. The speaker said something about actors and then proceeded to talk about the film .6. Differences of opinion are often the most difficult problem to resolve .7.When he looked for a job . Jone strongly felt that there was a widespread prejudice against men over forty .8. Children should be encouraged to reach a(an) compromise between what they want and what others want .9. The discovery seems to confirm that people lived here over 10000 years ago .10.The book was first published in 1994 and was subsequently translated into fifteen languages ?????????Unit 41. The management their workers from accepting tips from customers. Correct answer(s) forbid2. The picture is to the one in the Museum of Modern Art in New York. Correct answer(s) identical3. If you have no , I would like to ask your daughter to marry me. Correct answer(s) objection4. Hearing his comforting words, I felt a huge wave of inside me and couldn't help crying. Correct answer(s) warmth5. After the party, the mother needed some to help with the washing-up in the kitchen. Correct answer(s) volunteers6. The factory has now earned a large amount of foreign money, because there has been an increase in trade during the past few years. Correct answer(s) overseas7. At the press conference he to comment on the company's difficulties and only answered questions about successes. Correct answer(s) declined8. The university pressure to close one of its departments. Correct answer(s) resisted9. We don't serve anything , just plain, ordinary food. Correct answer(s) fancy10. Thanks to the great efforts made by the police, crime has been on the in the past few years. Correct answer(s) decrease/decline1. I will finish this job for you by next Tuesday. Correct answer(s) without fail2. I can't get any of the children to work in the school garden. Correct answer(s) volunteer for3. You can go fishing you promise to be back before 11 o'clock. Correct answer(s) as long as4. I promise they can get their pay , before next Monday at the latest. Correct answer(s) right away5. If I tell my father what I have done, he will be a little angry. Correct answer(s) more than6. I to you having taken so much trouble. Correct answer(s) am thankful for7. In our letter we offered to give him the job, and soon after he accepting our offer. Correct answer(s) wrote back8. Women in older times were going out without wearing long clothing. Correct answer(s) forbidden from9. While I was talking with my friend, the kids a nearby pet store where they discovered a nice little dog. Correct answer(s) vanished into10. I express my own thoughts and feelings, though sometimes I hurt others.Correct answer(s) was free topoisonous swallowpackage largely1. After a while as an ambulance driver, you get hardened to what you see at accidents.2 .My sole object was to get shelter from the snow, to get myself covered and warm.3. If we take all the factors into account, his chances of winning the election were slim .4. It will only weaken his position if he continues to his strange ideas.5. literally thousands of people watched the football game.6. The most noticeable change was in my younger brother, who had grown quite a bit and was now a third-grader.7. I am supposed to be resting and relaxing, but it is a just a whole bunch of different things that have happened.8 .Day and night Martin could not drag his mind from the failure he had suffered.9. I would be grateful if you would mail this package for me.10. The young man was hooked on heroin (海洛因)and lost job and his wife. ???????????第三册Unit 11. With his index finger, Patterson pointed toward a plain color-coded box beneath在长木桌下a long wooden table.佩特逊用食指指向长木桌下一个无花纹的带有彩色编码的箱子。

新视野大学英语第一册第一单元课后练习答案

新视野大学英语第一册第一单元课后练习答案

Concluding sentence: You will become successful not only in college, but also in your future career.
Paragraph writing
How to succeed in college:
There are some things you can do to succeed in college. (Topic sentence) First, pursue passions. Your passions will broaden your mind and make your life interesting. (Detail 1) Second, never let go of any opportunities that come your way. College is full of unique opportunities, which enable you to sample new things and meet wonderful people. (Detail 2)
Topic : How to succeed in college
Topic sentence:
There are three things you can do to succeed in college.
Three things to do:
• pursue passions • seize opportunities • take responsibilities
Phrases in EX.3
• 3. emerge from • 7. natural
resources • 9. driving power • take action

部编版小学一年级语文上册第一单元每课课后作业及答案汇编(含五套题)

部编版小学一年级语文上册第一单元每课课后作业及答案汇编(含五套题)

部编版小学一年级语文上册第一单元第1课《天地人》课后作业及答案一、照样子连一连。

天地人二、读卡片,连一连。

三、把你会认的用“○”圈出来,小船就能出发啦!四、请把下面的生字填在合适的“口”里。

(填序号)①天②地③人五、数一数,标有相同汉字的气球各有几个。

“我”有( 1 )个。

“地”有()个。

“天”有()个。

“人”有()个。

六、读词语,把认识的字用“○”圈出来。

雨天晴天阴天草地菜地沙地老人男人女人七、请找到下面封面中的“我”“你”“天”“人”,并用“○”圈出来。

八、九、参考答案四、从上往下:①③②五、2 1 2部编版小学一年级语文上册第一单元第2课《金木水火土》课后作业及答案一、认一认,填一填。

( )二、看图片,写一写。

( )个苹果 ( )只小狗( )个皮球 他正在( )楼 三、背一背,填一填。

四、我会写笔顺,数笔画。

二_____________________________________________,共( )画。

三_____________________________________________,共( )画。

上_____________________________________________,共( )画。

五、数一数,连一连。

四五下上参考答案一、横中线竖中线二、一二三上三、一二三上四、二: 2 三: 3 上: 3五、从第1-4幅图分别是:五、四、上、下部编版小学一年级语文上册第一单元第3课《口耳目》课后作业及答案一、描一描,写一写。

横折:弯钩:撇:二、看图识字,选一选。

(填序号)①手②足③耳④目⑤站⑥坐()()()()()()三、读一读,填一填。

(填序号)()如钟()如松()如风()如弓四、写一写,填一填。

例:(共三画)(共画)(共画)(共画)五、和大人一起读,再做题。

我是小朋友,小手拿书包,走路上学校。

双目仔细看,用耳专心听,开口大声读,学习进步多。

1.小朋友还会做什么?看图选择填空。

苏教版高中化学必修第一册课后习题 专题1 物质的分类及计量 第一单元 第2课时 物质的转化

苏教版高中化学必修第一册课后习题 专题1 物质的分类及计量 第一单元 第2课时 物质的转化

第2课时物质的转化A级必备知识基础练1.(江苏扬州高一)下列过程涉及化学变化的是( )A.氯化钠溶液导电B.海水晒盐C.氯气液化D.用金刚石切割玻璃2.物质间的转化体现了化学核心素养中的“变化观念”。

下列物质间的转化不能一步实现的是( ) A.Na2CO3NaOH B.CaCO3CaOC.NaCl NaNO3D.C CuO3.某同学要在五连环中填入物质,使相连物质间能发生反应,不相连物质间不能发生反应。

你认为“五连环”中有空缺的一环应填入的物质是( )A.硫酸B.氧气C.二氧化碳D.氧化钙4.(山东潍坊高一期末)我国制定了实现“碳中和”和“碳达峰”的长期战略目标。

下列说法不利于实现该目标的是( )A.大力推广火力发电B.研发CO2合成淀粉技术C.开发新能源D.发展CO2捕集技术5.下列物质可用于清洁卫生洁具或去除水垢的是( )A.盐酸B.氢氧化钠C.醋酸D.氨水6.有CuO、Fe、H2、Ba(OH)2溶液、K2CO3溶液、NaOH溶液、稀硫酸七种物质,在常温下物质两两间能发生的反应最多有( )A.4个B.5个C.6个D.7个7.某同学利用Fe、CuO、H2SO4制备CuSO4,制备路线及相关物质之间的转化关系如下图所示,回答下列问题:(1)写出A、B、C的化学式:A 、B 、C 。

(2)写出有关反应的化学方程式:A B: ;A Cu: 。

8.单质、氧化物、酸、碱和盐的相互关系,可以用下图表示,现选择铁、碳、氧气、盐酸、氧化钙、二氧化碳、水、氢氧化钙8种物质作为反应物,将图中指定序号的转变用化学方程式表示(所写化学方程式不得重复)。

①C+O2CO2;②;③;④;⑤;⑥;⑦。

B级关键能力提升练9.下列物质转化过程中,不能经过一步反应实现的是( )A.HCl—CuCl2B.Na2SO4—NaClC.CO—CO2D.Fe2O3—Fe(OH)310.(全国高一)推理是化学学习中常用的思维方法,下列推理中正确的是( )A.酸中都含有氢元素,所以含有氢元素的化合物一定是酸B.碱性溶液能使石蕊试液变蓝,所以能使石蕊试液变蓝的溶液一定呈碱性C.酸与碱反应有盐和水生成,所以有盐和水生成的反应一定是酸与碱反应D.碳酸盐与盐酸反应放出气体,所以与盐酸反应放出气体的物质一定是碳酸盐11.(浙江安吉高一开学考试)虎年春晚一段舞蹈剧《只此青绿》惊艳了许多观众,生动还原了北宋名画《千里江山图》,此画用到了一种矿物颜料——石青[2CuCO3·Cu(OH)2],以下说法不正确的是( )A.该颜料难溶于水B.石青与盐酸反应的化学方程式为CuCO3·Cu(OH)2+4HCl2CuCl2+3H2O+CO2↑C.石青加热分解能得到一种黑色固体D.石青颜料除了色彩鲜艳,在常温下较稳定,也是历史上名家大作喜爱的原因12.对于化学反应A+B C+D,下列说法不正确的是( )A.若A、B为酸和碱,则C、D中一定有水B.若A、B为两种化合物,但C、D不一定都为化合物C.若生成物C、D均为难溶于水的物质,则A、B可能为盐和碱D.若生成物C、D中有一种为单质,则该反应一定是置换反应13.下图中,“——”表示相连的物质间在一定条件下可以反应,“”表示丁在一定条件下通过置换反应可以转化为乙。

部编版小学一年级语文上册第一单元每课课后作业及答案汇编(含五套题)

部编版小学一年级语文上册第一单元每课课后作业及答案汇编(含五套题)

部编版小学一年级语文上册第一单元第1课《天地人》课后作业及答案一、看图连线。

人天地二、看图画,选择正确的字在下面画“√”。

你我我他三、选一选,填一填。

①天②地③人④我1.( )上有马儿在跑。

2.( )上有小鸟在飞。

3.马路上有很多( )在走。

4.( )是一名小学生。

四、读儿歌,圈出自己认识的字。

nǐ shì mā mɑtā shì bà bɑ你是妈妈,他是爸爸,wǒ shìɡuāi qiǎo de xiǎo wá wɑ我是乖巧的小娃娃。

mā ma duì wǒ shuōhái zi hái zi nǐ shì mā mɑde hǎo wá wɑ妈妈对我说:“孩子,孩子,你是妈妈的好娃娃。

”bà ba duì wǒ shuōwá wɑwá wa mā ma duì nǐ shuō de shá爸爸对我说:“娃娃,娃娃,妈妈对你说的啥?”wǒ duì bà ba shuōbà bɑmā mɑshuō wǒ shì tā de hǎo wá wɑ我对爸爸说:“爸爸,妈妈说我是她的好娃娃。

”五、妈妈读,我来填。

①燕子②山羊③蜜蜂④小狗⑤花猫⑥小鸟1._________________________________________________________在天上飞。

2._________________________________________________________在地上跑。

六、我会说。

我是( )小学( )年( )班的学生。

我的名字叫( ),今年( )岁。

我们班的老师姓( ),我们班有( )个同学。

参考答案一、第一幅图(地) 第二幅图(天) 第三幅图(人) 二、我 他三、1.② 2.① 3.③ 4.④ 四、提示:根据实际情况圈出即可。

苏教版高中化学必修第一册课后习题 专题 硫与环境保护 第一单元第2课时 硫酸的工业制备 浓硫酸的性质

苏教版高中化学必修第一册课后习题 专题 硫与环境保护 第一单元第2课时 硫酸的工业制备 浓硫酸的性质

第2课时硫酸的工业制备浓硫酸的性质A级必备知识基础练1.(江苏扬州高一期末)下列关于物质的性质与用途具有对应关系的是( )A.SO2具有氧化性,可用于漂白织物B.NaCl易溶于水,可用于电解制备金属钠C.浓硫酸具有吸水性,可用于干燥气体D.NaHCO3受热易分解,可用于治疗胃酸过多2.硫酸厂有一辆存放过浓硫酸的铁槽车。

某工人违反规程,边吸烟边用水冲洗铁槽车,结果发生了爆炸。

下列对引起爆炸的原因说法正确的是( )A.浓硫酸遇明火爆炸B.浓硫酸遇水发热爆炸C.铁与水(常温下)反应产生的氧化物爆炸D.稀释后的硫酸与铁反应产生的氢气在空气中遇明火而爆炸3.下列关于浓硫酸和稀硫酸的叙述正确的是( )A.常温时都能与铁发生反应,放出气体B.加热时都能与铜发生反应C.都能作为气体干燥剂D.硫元素的化合价都是+6价4.在硫酸的工业制法中,下列生产操作与说明生产操作的主要原因二者都正确的是( )A.硫铁矿煅烧前要粉碎,因为大块硫铁矿不能燃烧B.从沸腾炉出来的气体只有SO2C.SO2氧化成SO3,SO2能全部转化为SO3D.SO3用98.3%的浓硫酸吸收,目的是防止形成酸雾,以便使SO3吸收完全5.下列反应中,浓硫酸既表现出强氧化性又表现出酸性的是( )A.2NaCl+H2SO4(浓)Na2SO4+2HCl↑B.Na2SO3+H2SO4(浓)Na2SO4+SO2↑+H2OC.C+2H2SO4(浓)CO2↑+2SO2↑+2H2OD.2FeO+4H2SO4(浓)Fe2(SO4)3+SO2↑+4H2O6.某同学欲验证炭与浓硫酸反应产物的性质。

现已将装置如图连接,请回答下列问题。

(1)烧瓶中发生反应的化学方程式是。

(2)实验中两次使用到品红溶液,其目的不同。

A的使用目的是,通过洗气瓶C中无现象和的现象,证明反应有(填化学式)生成。

(3)洗气瓶B中溶液颜色变浅,说明炭与浓硫酸反应的产物之一(填名称)具有性。

(4)实验完成后,取出洗气瓶A中的无色溶液于试管中,加热,可观察到。

新标准大学英语第一册第一单元课后题答案

新标准大学英语第一册第一单元课后题答案

Key to exercises in Unit oneActive reading oneReading and understanding (P. 4)2 Check the true statements 1 2 43. Choose the best way to complete the sentences1-6 a d d d a a4. Match the words and expressions in the box with their definitions1-6 swear muscle impress sip gap check in5. Replace the underlined words with the correct form of the words and expressions in the box.1-5 barely spill ignorant intelligent sign up 6-7 assure run out of6. Answer the questions about the words and expressions.1-4 b a a bActive reading 24. Replace the underlined words with the correct form of the words and expressions in the box (P 8)detect admirable subways inadequate scribbling persecution5. Answer the questions about the words and expressions.a a a b6. Look at eh sentences from the extract and answer the questions.1. The writer may be exaggerating. Perhaps the woman in the admissions office did not actually way that his education was “inadequate”, but she made him feel like this. The woman may have a point, if all the American students have a high school diploma and the writer doesn’t have one, then he is not qualified enough (and in a way he is lucky to have this chance of university education. )2 He is not sure what to write and what sort of notes to take. He has no experience of note-taking. He feels puzzled as no one has given him guidance about note-taking.3. No, he feels different because of his accent and background.4. It seems he has not made friends yet. He’s dreaming about a romance.He must feel like a stranger, a bit lonely.He’d like to share what he knows with someone, but he feels he can’t do this in class. language in use (P 10)Match the sentences with the use of with/ withoutA b a c c d2. rewrite the sentences1 With his head moving from side to side, her tutor spills his coffee into the saucer.2 “Splendid,” he says, without waiting for the answer.3 Frank McCourt speaks in class with an Irish accent.4 He plans to go on the subway with the books covered in purple and white NYU jackets.4 He’s only allowed to take two courses without being told why.5 He would like to ask a question without raising his hand.3. collocations3 Read the explanations of the words and expressions. Answer the questions.1 climb a) because the room is very small.b) You would climb into bed if you are so tired that it feels like a huge effort.c) You would probably need to bend over, and crawl through the hole.2 spill a) You have accidentally knocked over a cup/ mug and the coffee has gone all over the desk.b) The toys are in a container, such as a box, and either the box is too full so some toy are failing out onto the carpet ,or the box has been tipped over so most of the toys have fallen out of the box.c)Many people would be leaving the bars and restaurants all at once, probably because they were closing for the night.3 joina) When they can play a musical instrument and want to play with others.b) You have lost your job and become unemployed.C)You do the same activity that most other people are doing.4 burst intoa) The writer suddenly starts crying.b) Flowers, when they emerge from buds.c) Put out the flames immediately if you can, or keep well clear and call the emergency services5 cleana)This refers to a driving license. It means that you have been driving safely or at least you have no penalty points on the licence – a person get such points as a punishment after breading the law on the roads, eg speeding or causing an accident and the licence then has a note on it and the police have a record.b) You avoid using swear words or other examples of bad language.C )Here this phrase is used metaphorically and means something is working properly, for example, a car might have a clean bill of health, after a check or test that it is working properly.6 easya) An easy going person behaves in a relaxed , calm manner with others and is happy to accept thins without getting worried or angry.b) A person who is easy on the eye is pleasant to look at in appearance and in the way they dress.c) When sth is easier said than done, it is easy to talk about, but difficult to achieve.d) When they tell you to “take it easy” they can mean either of two things: You should rest and not do things that will make you tired, or you should keep calm, being less upset or angry.4 Complete the sentences using the collocations in Activity 3.1-5 spill out of burst into tears clean language easier climb through6-10 spilt burst into bloom clean licence eye on the eye5 Translate the sentence into Chinese1. 等我们终于找到8号房间的时候,妈妈已经涨红了脸,累的上气不接下气。

部编版小学一年级语文上册第一单元每课课后作业及答案汇编(含五套题)

部编版小学一年级语文上册第一单元每课课后作业及答案汇编(含五套题)

部编版小学一年级语文上册第一单元第1课《天地人》课后作业及答案一、看图连线。

人天地二、看图画,选择正确的字在下面画“√”。

你我我他三、选一选,填一填。

①天②地③人④我1.( )上有马儿在跑。

2.( )上有小鸟在飞。

3.马路上有很多( )在走。

4.( )是一名小学生。

四、读儿歌,圈出自己认识的字。

nǐ shì mā mɑtā shì bà bɑ你是妈妈,他是爸爸,wǒ shìɡuāi qiǎo de xiǎo wá wɑ我是乖巧的小娃娃。

mā ma duì wǒ shuōhái zi hái zi nǐ shì mā mɑde hǎo wá wɑ妈妈对我说:“孩子,孩子,你是妈妈的好娃娃。

”bà ba duì wǒ shuōwá wɑwá wa mā ma duì nǐ shuō de shá爸爸对我说:“娃娃,娃娃,妈妈对你说的啥?”wǒ duì bà ba shuōbà bɑmā mɑshuō wǒ shì tā de hǎo wá wɑ我对爸爸说:“爸爸,妈妈说我是她的好娃娃。

”五、妈妈读,我来填。

①燕子②山羊③蜜蜂④小狗⑤花猫⑥小鸟1._________________________________________________________在天上飞。

2._________________________________________________________在地上跑。

六、我会说。

我是( )小学( )年( )班的学生。

我的名字叫( ),今年( )岁。

我们班的老师姓( ),我们班有( )个同学。

参考答案一、第一幅图(地) 第二幅图(天) 第三幅图(人) 二、我 他三、1.② 2.① 3.③ 4.④ 四、提示:根据实际情况圈出即可。

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

IX.
4.
远程教学课程是指授课者与学生通过 计算机通信技术进行交流的课程。 5. 英语不但是世界上最有用的语言,也 是世界上最易学、易用的语言之一。 6远程教学课程在时间安排上给予学生 更多的自由,但与其他课程比,这些课 程要求学生有更强的自律能力。
Cloze
1. B 2.A 3.B 4.B 5.C 6,C 7.B 8.A 9.a 10.B 11.A 12.A 13.B14.A 15.B
第一册第一单元
课后题答案
III.Vocabulary
1.
rewarding 2. communicate 3. access 4. embarrassing 5. positive 6. commitment 7. virtual 8. benefits 9. minimum 10. opportunities
1. for 4. on 7. in
2. with 5. on 8. up
3. on 6. of 9. of 10.In
VIII.
4.
Today, more and more people have access to the Internet through which they look for the information they need. 5. He wants her to give up working and stay home to look after the children. She feels, however, that this is too much for her. 6. Now that we have finished the course, we shall start doing more revision work.
Section B
1.
Vocabulary
community 2. effective 3. unique 4. committed 5. reinforce 6. perspective 7. explicit 8. challenge 9. hindered 10. arose
IV.
IV.
1.
up 5. to 9. for
2. into 6. up 10.with
3. from 7. of
4. with 8.H 6.K 7.M 8.O 9.F 10.C
VIII.

1. Not only can students choose when and where to learn for an online course, but they can also take time to think through answers before making a reply. 2. She is excited by the idea of online learning while be considers it meaningless and useless. 3. Communicating with native English speakers is a very rewarding experience from which we can learn a lot.
IX.
1.
我永远都不会忘记那位老师,是他告诉我 学外语是有趣的、有价值的。如果没有他, 我的英语说得不会像现在这样好。 2 没有任何其他语言能像英语那样让你感受 到多姿多彩的世界文化。有了过硬的英语知 识,你就可以体验奇妙的文化之旅。 3. 写作不仅仅要写老师布置的话题,而且要 写自己感兴趣的东西,例如,给朋友写电子 邮件。
相关文档
最新文档