课后习题答案_unit 3

UNIT 3ENVIRONMENTAL PROTECTION Section A Reading and Thinking必备知识基础练Ⅰ.单词拼写1.At that time people would s if food was difficult to find.2.Flora Landscape acts as an important role of society and (生态) in the urban landscape.3.Before (释放),the sea lions are fitted with electronic tracking devices.4.Plants absorb c dioxide from the air and moisture from the soil.5.The love and support of his family (维持) him during his hard times.6.The cramped living conditions severely (限制) the children’s freedom to play.7.Jane was quick to s the meaning of what the teacher said at the meeting.Ⅱ.短语填空1.Zhu Ziqing would rather than accept the Americans’ flour.2.He was caught soon after his prison.3.Inside these zones,traffic speeds 20 mph.4.Before he could run away,she the collar.5.The concert and attracted the largest one night audience in the history of television up to that time.Ⅲ.完成句子1.毫无疑问,它可以增强人们的健康意识。

人教PEP版五年级英语上册Unit 3 第2课时课后练习题（带答案）教科书第25页：Let’s learn Role-playⅠ.选出下列单词中不属于同类的一项。

（）1、A、hamburger B、salad C、noodles（）2、A、ice cream B、water C、tea（）3、A、sandwich B、salad C、hamburger（）4、A、apple B、sandwich C、banana（）5、A、eat B、drink C、teaⅡ. 单项选择。

( ) 1.What would you like to drink?___________, please.A. A hamburgerB. TeaC. Ice cream( ) 2.I’d like some water,I’m ________.A. thirstyB. hungryC. tired( ) 3.What would Sarah’s m other like to eat?______ would like some coffee.A. HerB. HeC. She( ) 4.This is _______ order.A. myB. meC.I() 5.I would like some ______ and a _________.A. apple juice，sandwichB. sandwich，apple juiceC. water，appleⅢ.按照中文意思写出相应的短语或句子1.一个汉堡包________________2.一个冰淇淋____________________3. 又饿又渴________________4.午饭我想吃一份三明治。

____________________________5.萨拉想吃什么？_______________________________Ⅳ.翻译下列句子中画横线的部分。

Section D Reading for Writing&AssessingYour Progress必备知识基础练Ⅰ.单词拼写1.Global warming refers to an average increase in the Earth’s temperature which leads to (气候) change.2.He is a (和善的) man,who is liked by all the people around him.3.Our company has produced a new kind of (材料) which remains stainless no matter what you will spill on it.4.It doesn’t matter what you wear,so long as you look (整洁的) and tidy.5.After they got the present job,the couple (定居) down in that country.6.The old teaching building has been pulled down and a new one is under (建造).7.This drink doesn’t (含有) any alcohol,so you can drink it if you drive a car.8.Each (物品) in the store has a bar code or a product number.Ⅱ.短语填空(注意动词的适当形式)1.Lots of our friends are coming:Anne,Ken and George,.2.He’s one of the few Westerners who have experienced the conditionsthere.3.The course is two parts:class time for learning traffic regulations and driving time to practice driving.4.The country over 100,000,most of whom are farmers.5.He handled the test sample ,because he was afraid of spoiling it.6.The research group produced two reports the survey,but neither contained any useful suggestions.Ⅲ.完成句子1.他躺在草地上,眼望天空。

Unit 3Section AⅢ. 1. mutual 2. illusion 3. canceled 4. overlooked 5. proceeded 6. resolve7. prejudice 8. compromise 9. confirm 10. subsequentlyⅣ. 1. have nothing to do with 2. taking care of 3. met with 4. on the surface5. work out6. incompatible with7. ups and downs8. learned of9. indication of 10. all alongⅤ. 1-5 MLFDH 6-10 OACIKⅥ. 1. shopping 2. feeling 3. storage 4. cooking 5. ending 6. beginning7. gathering 8. removal 9. arrival 10. passage 11. writing 12. marriageⅦ. 1. relationship 2. citizenship 3. leadership 4. membership 5. boyhood6. livelihood7. brotherhood8. authorship9. adulthood 10. neighborhood11. wisdom 12. ownershipⅧ. 1. It is never too bad (for us) to do something about the situation.2. One is never too old to learn.3. It is never too late (for you) to put a stop to this madness.4. It is never too late (for you) to mend your ways.5. His income was never too small to support his family.Ⅸ. 1. My best friend, Anna, was here last night.2. The company manager, Mr. Madison, gathered his staff and announced the decision.3. You should have seen an ophthalmologist, an eye doctor.4. He sent for the accountant, the most experienced person in accounting.5. “Leave it to me,” said David, the man on night duty.Ⅹ. 1. You are never too experienced to learn new techniques.2. There remains one problem, namely, who should be sent to head the research there.3. There relationship did meet with some difficulty at the beginning because of culturaldifferences.4. Though he has had ups and downs, I believed all along that he would succeed someday.5. I have some reservations about the truth of your claim.6. She isn’t particularly tall, but her slim figure gives an illusion of height.Ⅺ. 1.应迟早告知年轻人：必须认真对待法律。

Book 3 Unit 3 SecurityText AContent Questions1.No.2.No.3.It has been replaced by an era when people employ vari ous secui rty devi ces at home.4.Small notices announcing that the premises are under surveillance by this security force or thatguard company.5.The insurance company tries to impress the public that it will ensure your safety by paying foryour losses.6.An atmosphere of fear and distrust.7.Because they feel threatened and want to keep outsides away.8.No. They are by now the most sophisticated of security sites.9.It is a way to hold the terrorists, real and imagined, at bay.10.To tell whether their friend or client is telling lies.11.All is done in the nam e of “security”. But according to the author, America, with all this“security”, is perhaps the most insecure nation i n the hi story of ci vili zati on.12.We may have locked the evils out, but in so doi ng we have l ocked oursel ves i n.T ext Organization1.2.1) Doors are not left unlocked either in cities or in rural areas.2)Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use.3)Suburban families have steel bars built in sliding glass doors.4)Small notices warning against burglary are commonly seen pasted on the windows of the mostpleasant of homes.5)Access cards are required of those who work with medium to large-size companies.6)Airport security uses electronic X-ray equipment to guard against terrorism.7)Businessmen employ new machines linked up to their telephone to help determine whether thecaller is telling lies or not.Suburban housewives wear rape whistles on their key chains.Language Sense EnhancementI. 1) electronic 2) hooked up to3) suburban 4) built in5) uncommon 6) announcing7) survaillance 8) symbol9) featured 10) attached toLanguage FocusVocabulary1.2) by a small margin4) closed up6) paste8) sideways 10) universal12) Bathed in2) looked back on4) fit into 6) lies in 8) stand for3. 1) A certain gene which is likely to make people vulnerable to asthma has been found byresearchers at the Department of Clinical Medicine in Oxford.2) A wardrobe with mirrored doors had to be built in so as to make their small bedroom look larger.3) The NBC show's opening shots feature the space shuttle Challenger blowing up in January 1986—killing all seven crew.4) When the teacher threatened to keep the pupils in after school they were qui eted at once.5) Energy difficulties are a major barrier to the country's economic growth due to the fact that imported oil has absorbed 40% of its foreign exchange / because imported oil has absorbed 40% of its foreign exchange.4. 1) Jacob looked back on his summer holidays spent on the B i g Isl and of H awaii wi th i tsbeautiful landscape and tranquil atmosphere as a rare escape from the madness of urban l i fe.2) Learning in the information era is really convenient and efficient. With your computer hooked up to the internet, you can easily obtain the electronic resources relevant to your research.3) Detectives, who believe more than one person is behind the constant attacks in the suburb, are using a sophisticated computer system to analyze specific behavior and situations. However, they are also aware that they shouldn ’t rely too much on computer because it may make errors at times..I. 1. 1) threathens3) civilize5) wandered7) without so much as9) hook up to11) chartII. Collocation1. away2. inside/in3. forward/through4. back5. off6. home7. back, down 8. in, outIII. Usage1.Internet is not such an unusual word as it used to be.2.Most men do not look unattractive in them.3.Wealthy as she is, she is not unconcerned by her sudden unemployment.4.This claim is not unrealistic in view of a sharp decrease in the city's violent crimes.5.His poor health is not unrelated to his unhealthy way of life.Comprehensive ExercisesI. Cloze1.1. Statistics2. rural3. era4. stood for5. on the latch6. vulnerable7. barriers 8. electronic9. reflection 10.civilized2.1. tougher2. liable3. shift4. electric5. cautious6. sophisticated7. thieves 8. break9. chances 10. signsII. T ranslation1.1).The Internet is changing the way people l i ve, no matter whether they are i n urb an or rural areas.2).Medium-sized and small companies are more vulnerable to the threat of the global economic crisi s than largeones.3).With regard to our term papers, the professor asked us to analyze the chart of unemployment first, and thenprovide criti cal reflections on the nation’s economic development.4).It never occurred to him that thei r team woul d wi n the basketbal l match b y a large margin.5).Looking back on my twenty years’ teaching in high school, I attributed my success to patience, talent, and theconstant pursuit of knowledge.2.It is almost impossible to keep a determined burglar out. All you can do is discourage him for a few minutes, thus exposing him to police patrols or those wandering around. Common sense tells us that lighting is a barrier to criminal activity. A light should be fixed in the doorway and switched on at night. Make sure/assure yourself that you don’t leave the door on the latch if you happen to be the last to come in. If you decide to buy a sophiticated electronic alarm system, be sure to ask for its signs and put them up on both windows and doors. In addition you may have it hooked up to a police station.Chinese T ranslations of T exts A&B第三单元安全问题课文A许多年前，在美国，家家户户白天黑夜不锁门是司空见惯的。

新编实用英语综合教程第二册unit3课后练习答案新编实用英语综合教程第二册Unit 3课后习题答案P39-11 speak2. where is he3. might be with4. leave a message5. call me6. 667-34527. welcomeP39- 21. Hello , May I speak to Mr. Smith please2.Yes , please , tell hime to call the director's office , the number is 864-35093. It would be best if he cold call this afternoon , at about 2o'clock4. thanks a lotP39-31. Hello2. I am sorry , but he is not in at the moment , would you like to leave a message ?3. I 'll tell her as soon as he is back4. You're welcome .P40-31. a telephone message2. a memo3. phone4. at home5. personal6. skills7. a message8. expect9. who called10. what was the message11. friends and family12. questions13. when they called14. the person calling15. reach himP41-41- b 2- dP43-11. Because people stopped talking face to face to one another2. Because his friends was busy talking on the phone , completely forgetting his present3. Because they can be used anywhere and anytime4. Without seeing or talking to one another and with voice mail , we can conduct entire poeple losetheir inimacy of interaction .5. People lose their intimacy of interaction6. He thinks it's great , but worries about its unintended consequences .P43-21. disconnected2. set back3. internet4. talking5. reaching6. answer7. contact8. goes up9. phone10. automatedP43-31. the communications revolution2. their cell phones3. electronic voice4. e-mail5. voice mail6. Directory assistance7. greatP44-41. burden2. advances3. lonely4. invisible5. insert6. attendents7. pets8. chain9. preferable10. deposit11. interrupted12. EvidentlyP44-51. Please dial home and tell them I am on the way to the company2. Since then there was never been any setback in production3. I saw him insert the key into the lock4. I suggest that you make a deposit at the bank5. Yesterday Mr.wang checked out from that hotel .P44- 61. The hall was filled with students waiting for the interview .The square of the village was filled with people waching the football match2. We used to grow beautiful rosesPeter used to go to the small town3. Why is it that this conclusion is wrongwhy is it that she can sing better than I4. As I knew him better , I discovered that my first impression of him was right .We got wiser as we get older5. Why use wood when you can use plastic ?why ask me to do it when you can do it yourself ?6. Pretty soon you won't have the burden of cooking breakfast for himpretty soon you won't take the trouble to send her to go to school everymorning .P46-71-T 2- F 3-T 4-T 5- T 6- F 7-T8- T 9-F 10- T 11. T 12- TP47-91. 不管有时是字母与数字混合使用，所有电话号码都是7位数字。

3 Choose the best way to complete these sentences1 The film Catch Me If You Can(c).(a) was written by Carl Hanratty(b) shows how you can steal someone’s identity(c) was based on the life of Frank Abagnale(d) shows how to protect yourself against identity theft2 The writer uses the film Catch Me If You Can to (d).(a) illustrate what good actors Tom Hanks and Leonardo DiCaprio are(b) explain the work of the FBI(c) show how to get personal information from computers(d) introduce the idea of identity theft (This is an example of a hook, to attract andcatch readers.)3 The writer says that most victims of identity theft (a).(a) are not known to the thieves(b) are white-collar criminals(c) are rich and famous people(d) forget to cancel their credit cards4 The writer gives some practical hints for (b) .(a) accessing someone’s computer(b) preventing someone from stealing your identity(c) destroying documents(d) catching identity thieves5 The writer suggests that identity theft (c) .(a) was more common in the past than it is today(b) can be avoided if you’re careful(c) is very likely to happen to you (This can be seen in the final paragraph.)(d) only happens to people who use computers4 Match the words in the box with their definitions.1 the crime of obtaining money from someone by tricking them (fraud)2 something done to protect people or things against possible harm or trouble (precaution)3 the act of tricking someone by telling them something that is not true (deception)4 rubbish such as paper and plastic bags (trash)5 used in homes, or relating to homes (household)6 from one evening to the next morning (overnight)5 Replace the underlined words with the correct form of the words and phrase in thebox.1 It is clearly distressing to be the victim of a crime. (obviously)2 Your computer is at risk when you are connected to the Internet. (online)3 You don’t need to switch your computer off, but remember to sign out of the programwhen you leave your desk. (log off)4 These sorts of crimes are not unusual, they often happen. (commonplace)5 He developed a way to create false documents to show qualifications he didn’t have.(forge)6 Answer the questions about the words1 If you impersonate someone, do you (a) sell information about that person, or (b)pretend to be that person?2 Is a fraudster (a) a violent, dangerous criminal, or (b) a criminal who deceives people?3 Is someone in custody(a) held by the police, or (b) committing a crime?4 Is a consultancy(a) a company that offers advice, or (b) someone who breaks the law?5 When you leave your mail for pickup, do you expect (a) the mailman to collect it, or (b)to find it when you come home?6 When you shred documents, do you (a) tear them into small pieces, or (b) keep themcarefully?7 Is an anonymous person (a) famous, or (b) unknown?8 Is your mindset (a) information about you, or (b) the way you think?9 Is hacking (a) illegally accessing a computer to get information, or (b) damaging acomputer programme and destroying information?7 Look at these sentences from the passage and answer the questions.If you use a ballpoint pen, the ink can be removed with the help of a regular household chemical and the sum of money can be changed.1 Why does the writer include this information?(a) To teach the reader how to commit cheque fraud.(b) To warn the reader about how criminals commit check fraud. (It should worryus to think how easily someone could change our check / documents.)(c) To give advice about how to write checks.So how can we prevent identity theft before it happens to us?2 Why does the writer ask this question?(a) Because he wants the reader to make suggestions.(b) Because he wants to make the reader focus on the answer. (Such rhetoricalquestions are a feature of persuasive writing.)(c) Because he doesn't know the answer.Your turn will come.3 What is the writer trying to do?(a) To warn the reader that identity fraud is very likely. (To some degree this isthe same as frightening the reader, but the aim is not a thrill such one obtains from a horror movie, but a stimulus towards a practical result – precautions.)(b) To frighten the reader.(c) To explain to the reader that they have to wait for something to happen.Active reading (1)窃取的身份“弗兰克从未上过飞行学校、医学院、法学院……因为他还在上高中。

Book 3 Unit 3 SecurityText AContent Questions1.No.2.No.3.It has been replaced by an era when people employ various secuirty devices at home.4.Small notices announcing that the premises are under surveillance by this security force or thatguard company.5.The insurance company tries to impress the public that it will ensure your safety by paying foryour losses.6.An atmosphere of fear and distrust.7.Because they feel threatened and want to keep outsides away.8.No. They are by now the most sophisticated of security sites.9.It is a way to hold the terrorists, real and imagined, at bay.10.To tell whether their friend or client is telling lies.11.All is done in the name of “security”. But according to the author, America, with all this“security”, is perhaps the most ins ecure nation in the history of civilization.12.We may have locked the evils out, but in so doing we have locked ourselves in.Text Organization1.2.1) Doors are not left unlocked either in cities or in rural areas.2)Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use.3)Suburban families have steel bars built in sliding glass doors.4)Small notices warning against burglary are commonly seen pasted on the windows of the mostpleasant of homes.5)Access cards are required of those who work with medium to large-size companies.6)Airport security uses electronic X-ray equipment to guard against terrorism.7)Businessmen employ new machines linked up to their telephone to help determine whether thecaller is telling lies or not.Suburban housewives wear rape whistles on their key chains.- 2 - Language Sense EnhancementI. 1) electronic 2) hooked up to3) suburban 4) built in5)uncommon 6) announcing 7)survaillance 8) symbol 9) featured 10) attached to Language FocusVocabulary 1. 2) by a small margin 4) closed up 6) paste 8) sideways 10) universal 12) Bathed in 2) looked back on 4) fit into 6) lies in8) stand for3. 1) A certain gene which is likely to make people vulnerable to asthma has been found byresearchers at the Department of Clinical Medicine in Oxford.2) A wardrobe with mirrored doors had to be built in so as to make their small bedroom look larger.3) The NBC show's opening shots feature the space shuttle Challenger blowing up in January 1986—killing all seven crew.4) When the teacher threatened to keep the pupils in after school they were quieted at once.5) Energy difficulties are a major barrier to the country's economic growth due to the fact that imported oil has absorbed 40% of its foreign exchange / because imported oil has absorbed 40% of its foreign exchange.4. 1) Jacob looked back on his summer holidays spent on the Big Island of Hawaii with itsbeautiful landscape and tranquil atmosphere as a rare escape from the madness of urban life.2) Learning in the information era is really convenient and efficient. With your computer hooked up to the internet, you can easily obtain the electronic resources relevant to your research.3) Detectives, who believe more than one person is behind the constant attacks in the suburb, are using a sophisticated computer system to analyze specific behavior and situations. However, they are also aware II. Collocation1. away2. inside/in3. forward/through4. backI. 1. 1) threathens3) civilize5) wandered7) without so much as9) hook up to11) chart2. 1) narrowed down3) cut off5) wear (the other) down7) put up5. off6. home7. back, down 8. in, outIII. Usage1.Internet is not such an unusual word as it used to be.2.Most men do not look unattractive in them.3.Wealthy as she is, she is not unconcerned by her sudden unemployment.4.This claim is not unrealistic in view of a sharp decrease in the city's violent crimes.5.His poor health is not unrelated to his unhealthy way of life.Comprehensive ExercisesI. Cloze1.1. Statistics2. rural3. era4. stood for5. on the latch6. vulnerable7. barriers 8. electronic9. reflection 10.civilized2.1. tougher2. liable3. shift4. electric5. cautious6. sophisticated7. thieves 8. break9. chances 10. signsII. Translation1.1).The Internet is changing the way people live, no matter whether they are in urban or rural areas.2).Medium-sized and small companies are more vulnerable to the threat of the global economic crisis than largeones.3).With regard to our term papers, the professor asked us to analyze the chart of unemployment first, and thenprovide critical reflections on the nation’s economic development.4).It never occurred to him that their team would win the basketball match by a large margin.5).Looking back on my twenty years’ teaching in high school, I attributed my success to patience, talent, and theconstant pursuit of knowledge.2.It is almost impossible to keep a determined burglar out. All you can do is discourage him for a few minutes, thus exposing him to police patrols or those wandering around. Common sense tells us that lighting is a barrier to criminal activity. A light should be fixed in the doorway and switched on at night. Make sure/assure yourself that you don’t leave the door on the latch if you happen to be the last to come in. If you decide to buy a sophiticated electronic alarm system, be sure to ask for its signs and put them up on bothKeys to unit 3, book 3New College English, Integrated Course - 3 - 南昌大学教务处windows and doors. In addition you may have it hooked up to a police station.Chinese Translations of Texts A&B第三单元安全问题课文A许多年前，在美国，家家户户白天黑夜不锁门是司空见惯的。

人教PEP 版六年级英语上册Unit 3 第4课时课后练习题（带答案）课时内容B Let’s try ； Let’s talk一、翻译下列词组。

1. lots of _______2. space travel _______3. half price _______4. next week _______二、给下列问句选择合适的疑问词。

1. —______are is he going to do?2. —______are you going?—He’s going to play football. —Tomorrow.3. —______is Mike going?4. —______is that boy?—The U.K. —He’s my cousin.三、按要求写句子。

1. I’m going to the hospital. （就画线部分提问） ______ ______ ______ going?2. cousin, is, visit, going, to, me, my, afternoon, this(.)（连词成句）_________________________________________.3. Amy is going there by bus.（就画线部分提问）_______ is Amy going there?四、我是阅读小能手。

阅读短文，选择正确的答案。

I’m Lisa. I’m going to have a busy weekend. Saturday morning, I’m going to buy a new comic book by subway. Then I’m going to go home and read the new books. Sunday morning, I’m going to the supermarket with my mother. Then, in the afternoon, I’m going to visit my grandma. That will be fun.( )1. Lisa is going to buy a comic book________.A. by busB. by subwayC. by train what who whenwhere( )2. Lisa is going to the supermarket with________.A. her momB. her dadC. her sister ( )3. Lisa is going to visit her grandma________.A. Saturday morningB. Sunday morningC. Sunday afternoon ( )4. Lisa is going to have a ________weekend.A. busyB. free(空闲的)C. sad。

人教PEP版四年级英语上册Unit 3 课后练习题（带答案）第一课时A. Let’s talk；Let’s play一、根据图片圈出正确的单词。

1. （His Her ）name is Jack.2. ( His Her ) name is Lucy.3. ( He She ) is tall.4. ( He She ) is thin.二、为下列问句选择正确的答句。

( ) 1. What’s your name?A. My name is Amy.B. Her name is Sarah. ( ) 2. What’s his name?A. My name is Sarah.B. His name is John. ( ) 3. What’s her name?A. Her name is Amy.B. His name is John.三、连词成句。

1. tall He and is strong (.)________________________________________________________ 2. His is Zhang Peng name (.)________________________________________________________ 3. What her is name (?)________________________________________________________答案：一、1. His 2. Her 3. She 4. He二、1.A 2. B 3. A三、1.He is tall and strong. 2. His name is Zhang Peng. 3. What is her name?第二课时A. Let’s learn; Let’s chant一、选择正确的字母补全单词。

( ) 1. t__l A. al B. ul C. ol( ) 2. sh__t A. al B. ol C. or( ) 3. qu__t A. er B. ie C. ai( ) 4. th__ A. an B. in C. en( ) 5. str___g A. an B. un C. on二、判断下列句子与图片是否相符，是写T，否写F。

Section D Using Language(Ⅱ)&Assessing YourProgress必备知识基础练Ⅰ.单词拼写1.The seaside had all sorts of pleasant (联想) with childhood holidays for me.2.This book clearly falls into the (种类) of fictionalised autobiography.3.A large (数量) of money has been collected to help those suffering from the floods.4.Beijing Language and Culture University is (理想的) for you to learn Chinese culture.5.A (基本的) change in the organization of health services was required.6.Be certain to eat slowly and (咀嚼) your food extremely well.7.The results are entirely (一致的) with our earlier research.8.Could you tell me the (诀窍) of making such tasty cakes?Ⅱ.短语填空1.The law requires equal treatment for all, race,religion or sex.2.Conservation groups have been the benefits and dangers of wolves.3.If we fail to sell enough goods,compared with last year,we will have to on production.4.Make maximum use of the whole fruit,including the pulp which is fibre.5.The program has become increasingly college students in the United States.Ⅲ.完成句子1.为了讲一口流利的英语,我花了多年时间刻苦练习。

人教PEP版六年级英语上册Unit 3 课后练习题（带答案）第一课时课时内容A Let’s learn；Listen, answer and write一、找规律，写单词。

1. morning evening _________2. hospital supermarket _________3. am are _________4. play take _________二、将Ⅰ栏与Ⅱ栏连线，组成短语，并写出汉语。

Ⅰ栏Ⅱ栏1. see A .a film _________2. visit B. grandparents _________3 take C. to the supermarket _________4. go D. a trip _________a .b. c. d.三、仿照例子写句子。

例：this afternoon—What are you going to do this afternoon?—I’m going to read books this afternoon.1. tonight__________________________________________________________________________next week2.__________________________________________________________________________Answers:一、符合题意即可。

二、1.A，a 2. B, c 3. D, d, 4. C, b三、1.—What are you going to do tonight?—I’m going to the bookstore tonight.2.—What are you going to do next week?—I’m going to see a film next week.第二课时课时内容A Let’s try；Let’s talk一、英汉互译。

Unit3ComputersSectionⅠWarming Up,Pre-reading,Reading&Comprehending课后篇巩固探究一、选词填空1.as a result;as a result of(1)It rained heavily.,we had to stay at home for the whole weekend.(2) the heavy rain,we had to stay at home for the whole weekend.答案:(1)As a result(2)As a result of2.solve;settle(1)(2017·全国Ⅱ)Founded in Moscow after the 1905 revolution,the company eventually in Tel Aviv in the late 1920s.(2)(2017·北京)(solve) the safety problem well enough to move forward in AI seems to be possible but not easy.答案:(1)settled(2)Solving3.from then on;since then(1),he refused to talk about it.(2)I have never seen him .答案:(1)From then on(2)since then4.so...that...;such...that...(1)He is funny a person he is popular among the children.(2)He made rapid progress in study he was praised by his teachers.答案:(1)so;that(2)such;that二、单句语法填空1.(2017·天津)In this instance,the best (solve) is to send a quick,light-hearted apology to explain your awkwardness.答案:solution2.(simplify) several times,the instructions can be better understood by children.答案:Having been simplified3.(2017·江苏)This example should act an inspiration for all cities.答案:as4.(2017·天津)Here are four(common) email accidents,and how to recover.答案:common5.After the president made an official announcement,she expressed her (person)opinion,speaking,I agreed with what she said.答案:personal6.There is a difference between wisdom and (intelligent).A person may have one without the other.答案:intelligence7. our life improving,we find more and more time to entertain.答案:With8.Riding in an elevator has never been a (total) comfortable experience.答案:totally9.Though we were still a bit frightened after diving into the mysterious cave,anyway,it’s a rewarding (explore).答案:exploration10.We did well that we were invited to share our idea and experience with all the students of our school.答案:so11. time went on,Einstein’s theory proved to be correct.答案:As12.The Great Wall is a well-known tourist attraction that millions of visitors pour in every year.答案:such13.My son has a good habit of keeping a diary every day;as result,he is very good at writing.答案:a14.I am told that it will be at least two weeks my father recovers from his illness.答案:before15.We have a lot common and have a lot to talk about.答案:in三、单句改错1.It’s difficult calculate what effect all these changes will have on the company.答案:calculate前加to2.It was so bad weather that I had to stay at home.答案:so→such3.(2017·天津)This combination of healing myself and healing the world struck me as the perfect solving.答案:solving→solution4.With I got a little older I began to understand what my dad really meant.答案:With→As5.Jenny nearly missed the flight as a result doing too much shopping.答案:在doing前加of四、语篇填空(语言能力)The goal of early calculating machines was 1.(simplify) difficult sums.But with the help of new technology,electronic chips replaced tubes and a revolution of artificial 2. (intelligent) has arisen.From then on,the appearance of computers 3.(total) changed our lives.They can not only download information from the net when 4.(connect) by the network or mobile phone signals,but also 5.(solve) different types of logical problems.With 6. (operator) as their coaches,they can even control rockets to explore the moon and instruct androids with the human race’s characters to mop floors and watch over your naughty niece.Anyhow,computers are so helpful 7. they do bring happiness.However,computers are easily attacked by viruses.This reality has become a problem that is hard to deal with.8. a result,computers are dangerous in 9. way.So,10.(personal),I worry about their universal applications in some fields,such as finance.答案:1.to simplify 2.intelligence 3.totally 4.connected5.solve6.operators7.that8.As9.a10.personally五、阅读理解A导学号72864030(思维品质)In Kansas City,Missouri,a computer helps firefighters.The computer,which works very fast,has information about all the 350,000 street addresses in the city.Within two or three seconds after a call is received,the computer provides necessary information for the firefighters.The information is then sent to them by radio from the computer centre in the City Hall.The exact place of the burning building and its size,type and any other details are clear to them.The Kansas City computer system also has a medical record of each of the city’s 900 firefighters.This kind of information is especially useful when a firefighter is injured.With the information,doctors at hospital can treat the injured firefighters more quickly and easily.The firefighters themselves greatly appreciate the computer’s help.They know about possible danger ahead of them and can prepare for it.Many times the computer information helps to save lives and property(财产).Sometimes the lives are those of firefighters themselves.Mike Horan,a firefighter captain,says,“I feel as if the computer is ready to help me if I get hurt.”1.Which of the following is the best title of the text?rge Computers in Kansas and MissouriB.The Computer Helps FirefightersC.Important Information for FirefightersD.The Speed of the Computer答案:B解析:主旨大意题。

Book 3 Unit 3 SecurityText AContent Questions1.No.2.No.3.It has been replaced by an era when people employ various secuirty devices at home.4.Small notices announcing that the premises are under surveillance by this security force or thatguard company.5.The insurance company tries to impress the public that it will ensure your safety by paying foryour losses.6.An atmosphere of fear and distrust.7.Because they feel threatened and want to keep outsides away.8.No. They are by now the most sophisticated of security sites.9.It is a way to hold the terrorists, real and imagined, at bay.10.To tell whether their friend or client is telling lies.11.All is done in the name of “security”. But according to the author, America, with all this“security”, is perhaps the most ins ecure nation in the history of civilization.12.We may have locked the evils out, but in so doing we have locked ourselves in.Text Organization1.2.1) Doors are not left unlocked either in cities or in rural areas.2)Dead-bolt locks, security chains, electronic alarm systems and trip wires are widely in use.3)Suburban families have steel bars built in sliding glass doors.4)Small notices warning against burglary are commonly seen pasted on the windows of the mostpleasant of homes.5)Access cards are required of those who work with medium to large-size companies.6)Airport security uses electronic X-ray equipment to guard against terrorism.7)Businessmen employ new machines linked up to their telephone to help determine whether thecaller is telling lies or not.Suburban housewives wear rape whistles on their key chains.1Language Sense EnhancementI. 1) electronic 2) hooked up to3) suburban 4) built in5)uncommon 6) announcing 7)survaillance 8) symbol 9) featured 10) attached to Language FocusVocabulary 1. 2) by a small margin 4) closed up 6) paste 8) sideways 10) universal 12) Bathed in 2) looked back on 4) fit into 6) lies in8) stand for3. 1) A certain gene which is likely to make people vulnerable to asthma has been found byresearchers at the Department of Clinical Medicine in Oxford.2) A wardrobe with mirrored doors had to be built in so as to make their small bedroom look larger.3) The NBC show's opening shots feature the space shuttle Challenger blowing up in January1986—killing all seven crew.4) When the teacher threatened to keep the pupils in after school they were quieted at once.5) Energy difficulties are a major barrier to the country's economic growth due to the fact that imported oilhas absorbed 40% of its foreign exchange / because imported oil has absorbed 40% of its foreign exchange.4. 1) Jacob looked back on his summer holidays spent on the Big Island of Hawaii with itsbeautiful landscape and tranquil atmosphere as a rare escape from the madness of urban life.2) Learning in the information era is really convenient and efficient. With your computer hooked up to the internet, you can easily obtain the electronic resources relevant to your research.3) Detectives, who believe more than one person is behind the constant attacks in the suburb, are using a sophisticated computer system to analyze specific behavior and situations. However, they are also aware II. Collocation1. away2. inside/in3. forward/through4. backI. 1. 1) threathens3) civilize5) wandered7) without so much as9) hook up to11) chart2. 1) narrowed down3) cut off5) wear (the other) down7) put up5. off6. home7. back, down 8. in, outIII. Usage1.Internet is not such an unusual word as it used to be.2.Most men do not look unattractive in them.3.Wealthy as she is, she is not unconcerned by her sudden unemployment.4.This claim is not unrealistic in view of a sharp decrease in the city's violent crimes.5.His poor health is not unrelated to his unhealthy way of life.Comprehensive ExercisesI. Cloze1.1. Statistics2. rural3. era4. stood for5. on the latch6. vulnerable7. barriers 8. electronic9. reflection 10.civilized2.1. tougher2. liable3. shift4. electric5. cautious6. sophisticated7. thieves 8. break9. chances 10. signsII. Translation1.1).The Internet is changing the way people live, no matter whether they are in urban or rural areas.2).Medium-sized and small companies are more vulnerable to the threat of the global economic crisis than largeones.3).With regard to our term papers, the professor asked us to analyze the chart of unemployment first, and thenprovide critical reflections on the nation’s economic development.4).It never occurred to him that their team would win the basketball match by a large margin.5).Looking back on my twenty years’ teaching in high school, I attributed my success to patience, talent, and theconstant pursuit of knowledge.2.It is almost impossible to keep a determined burglar out. All you can do is discourage him for a few minutes, thus exposing him to police patrols or those wandering around. Common sense tells us that lighting is a barrier to criminal activity. A light should be fixed in the doorway and switched on at night. Make sure/assure yourself that you don’t leave the door on the latch if you happen to be the last to come in. If you decide to buy a sophiticated electronic alarm system, be sure to ask for its signs and put them up on bothwindows and doors. In addition you may have it hooked up to a police station.Chinese Translations of Texts A&B第三单元安全问题课文A许多年前，在美国，家家户户白天黑夜不锁门是司空见惯的。

unit3课后习题答案Unit 3课后习题答案在学习过程中，课后习题是一个重要的练习和巩固知识的方式。

通过课后习题，我们可以检验自己对所学知识的理解程度，并且在解题过程中发现自己的不足之处，从而更好地提高自己的学习效果。

本文将针对Unit 3的课后习题进行解答，帮助大家更好地掌握相关知识。

第一部分：选择题1. 答案：B。

根据题目中的关键词"the most important factor"，我们可以确定答案为B选项，即"the ability to communicate effectively"。

2. 答案：A。

根据题目中的关键词"the main reasons"，我们可以确定答案为A选项，即"the ability to communicate effectively"。

3. 答案：C。

根据题目中的关键词"the main reason"，我们可以确定答案为C选项，即"they lack the ability to communicate effectively"。

4. 答案：D。

根据题目中的关键词"the most important factor"，我们可以确定答案为D选项，即"the ability to communicate effectively"。

5. 答案：B。

根据题目中的关键词"the most important factor"，我们可以确定答案为B选项，即"the ability to communicate effectively"。

第二部分：填空题1. 答案：communication。

根据题目中的关键词"the most important skill"，我们可以确定答案为communication。

SectionⅢGrammar课后篇巩固探究一、完成下列被动语态的句子1.The doctor has saved a lot of people.A lot of people by the doctor.答案:have been saved2.He has repaired the machine for two hours.The machine by him for two hours.答案:has been repaired3.The students have learned thousands of English words.Thousands of English words by the students.答案:have been learned4.Many countries have sent up many man-made satellites into space.Many man-made satellitesspace by many countries.答案:have been sent up into5.The supermarket has attracted thousands of people to shop since it opened.Thousands of people to shop in the supermarket since it opened.答案:have been attracted6.Over the past twenty years,he has won many awards in the competition.Over the past twenty years,many awards by him in the competition.7.People have found paintings dating back 15,000 years on the walls of caves in France and Spain.Paintings dating back 15,000 years on the walls of caves in France and Spain.答案:have been found8.I want to buy that kind of cloth because she has told me the cloth washes well.I want to buy that kind of cloth because I (tell) the cloth washes well.答案:have been told二、单句语法填空1.In the last few years thousands of films (produce) all over the world.答案:have been produced2.Following his recent rise to fame,Rizea (ask) by many cities,including the capital of Romania to transform their old tree trunks into works of art.答案:has been asked3.After getting lost in a storm,a member of the navy team (rescue) four days later.答案:was rescued4.Housework is a frequent source of argument between lazy husbands and their hard-working wives,but women (warn) not to expect men to do equal housework any time soon.答案:have been warned5.Debbie (not allow) to drive for six months.答案:has not been allowed6.If Justin (take) away by aliens too,I hope they will return him soon.7.The world record (break)for many times by Chinese.答案:has been broken8.The workman (just interview) by the engineer,who was pleased to see him.答案:has just been interviewed9.The house (not paint) for years.答案:hasn’t been painted10.Shakespeare’s play Hamlet(make)into at least ten different films over the past years.答案:has been made11.—Will you attend the meeting this afternoon?—But up till now I (not tell)anything about that.答案:haven’t been told12.A lot of high-rise buildings (put) up in the business district already.答案:have been put13.—How long you (employ) as a firefighter?—Since 1990.答案:have;been employed14.Unfortunately,with the development of industrialization,the environment(pollute).答案:has been polluted15.(2017·天津)A bedroom,after all,is a very private space,in which some woman I don’t even know (immortalize).答案:has been immortalized三、将下列句子变为主动语态1.The room has been booked by Tom.答案:Tom has booked the room.2.So far about 40 works of art have been created by him in the local parks.答案:So far he has created about 40 works of art in the local parks.3.The animals’ habitat in Antarctic has been seriously affected by tourism.答案:Tourism has seriously affected the animals’ habitat in Antarctic.works and processes have been limited to one factory by them since then.答案:They have limited networks and processes to one factory since then.四、使用被动语态完成句子1.(许多树已经被种植) behind his house.答案:Many trees have been planted2.The important problem(已经被讨论一周了).答案:has been discussed for a week3.Table tennis (长期受到称赞) for its ability to improve attention and concentration.答案:has long been praised4.No book (没人来买过书)since last week.答案:has been bought5.Many new buildings(在过去的十年中被建造起来).答案:have been built in the past ten years6.His father left home in 1998,and(从那以后再也没有收到过他的消息).答案:has not been heard of since then7.For some reason I (总是被吸引) to older people much more than children.答案:have always been drawn8.A new hospital(已被建起) in what was a wasteland.答案:has been built9.Throughout history,different man-made languages (已经被发明).答案:have already been invented10.How many times have you (被告知) not to play with fire?答案:been told五、阅读理解A导学号72864035(思维品质)Personal computers and the Internet give people new choice about how to spend their time.Some may use this freedom to share less time with certain friends or family members,but new technology will also let them stay in closer touch with those they care about most.I know this from personal experience.E-mail makes it easy to work at home,where I now spend most weekends and evenings.My working hours aren’t necessarily much shorter than they once were but I spend fewer of them at the office.This lets me share more time with my young daughter than I might have.The Internet also makes it easy to share thoughts with a group of friends.Say you do something funny—see a great movie perhaps—and there are four or five friends who might want to hear about it.If you call each one,you will get tired of telling the story.With e-mail,you just write one note about your experience,at your convenience,and address it to all the friends that you think might be interested.They can read your message when they have time,and read only as much as they want to.They can reply at their convenience,and you can read what they have to say at your convenience.E-mail is also an inexpensive way to stay in close touch with people who live far away.Many parents use e-mails to keep in touch,even daily touch,with their children off at college.We just have to keep in mind that computers and the Internet offer another way of staying in touch.They don’t eliminate(排除) any of the old ways.1.The purpose of this passage is to.A.explain how to use the InternetB.describe the writer’s joy of keeping up with the latest technologyC.tell the merit(价值) and usefulness of the InternetD.introduce basic knowledge about computers and the Internet答案:C解析:推理判断题。

Unit3 FASCINATING PARKSSection B Learning About Language课后篇巩固提升必备知识基础练Ⅰ.单词拼写1.Plastic bags are (禁止) in some cities in California,including Los Angeles.2.Having no children of their own,they decided to a an orphan.3.He moved to England in 1980 where,among other things,he worked as a (记者).4.Omar soon picks up the (茶壶),offers me a second cup,and asks me his usual question.5.She (贴标签) all the boxes of the books carefully.6.If you have a cold,you should cover your nose when you s.7.Philip said he found his teaching job very interesting and (值得做的).Ⅱ.短语填空1.He’s never done this type of work before; I’m not sure how he’ll with the other employees.2.The earthquake has many thousands of deaths.3. helping the situation,you’ve just made it worse.4.Jamaica over two million people.5.He looks like one of my friends.6.She is a talented musician being a photographer.Ⅲ.语法专练用所给词的适当形式填空。