新概念英语第四册课后习题答案

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新概念英语第四册课后习题答案

新概念英语第四册课后习题答案Unit?1??CABDD??BDAAC??AB Unit?2??BCBDC??ACAAD??BC Unit?3??CABDA??CDABA??CD Unit?4??ACCAB??BCDAA??BD Unit?5??CABAB??DACBB??DD Unit?6??CACCC??AAADB??AA Unit?7??DCABA??BACDA??AC Unit?8??BDABD??BAABC??BC Unit?9??CDBAA??CABAC??AD Unit?10??CAABD??CBBDC??AA Unit?11??AABDD??DADDB??DD Unit?12??CABAC??CDACA??AB Unit?13??ACDAC??BDABC??AD Unit?14??DBDCC??ACCBD??BD Unit?15??CADCD??DBACA??CA Unit?16??ABCCA??DDBAB??AC Unit?17??BBADA??BBDCD??CA Unit?18??BABCD??CDCCC??BA Unit?19??BBCAD??AABDD??BC Unit?20??BCADC??CCBDB??CA Unit?21??BDBBA??ADDAB??CA Unit?22??CDACB??ADBCD??AB Unit?23??CADCC??DCABC??AC Unit?24??AACCB??CADDA??CD Unit?25??DBADD??CACDB??CA Unit?26??CBCBA??CDDAB??AC Unit?27??BCDCC??ACCDD??DA Unit?28??ADCDA??BCADA??BD Unit?29??CCADD??CCADA??BC Unit?30??CABDD??BCCAC??DC Unit?31??AABAD??BADDC??BD Unit?32??BDCBA??DBDCA??BC Unit?33??BDBAD??BCCDC??BA Unit?34??DCACB??DACDB??CA Unit?35??CBCAC??ABBDC??CD Unit?36??ACBCC??ACCDB??AC Unit?37??CABAC??DBCDC??BD Unit?38??CAABB??ACBDD??AB Unit?39??BCADA??BDDBD??BC Unit?40??DCDAC??ADDDA??DB Unit?41??ACACD??CBBBD??BC Unit?42??BCCBD??BDADC??AC Unit?43??DBABC??CDDAC??BB Unit?44??AAAAB??BBBDC??BA Unit?45??CADAC??CACDC??DC Unit?46??BBDBD??ABCDA??BD Unit?47??CAADB??CACDB??BC Unit?48??CCBCC??CCDBA??AB新概念4 笔记Unit 1 Finding fossil man一、重点单词解释1、recount：v.叙述注意读音，重音在后。

新概念英语第四册课后练习答案完整版

新概念英语4答案,新概念英语第四册答案Unit 1 CABDD BDAAC ABUnit 2 BCBDC ACAAD BCUnit 3 CABDA CDABA CDUnit 4 ACCAB BCDAA BDUnit 5 CABAB DACBB DDUnit 6 CACCC AAADB AAUnit 7 DCABA BACDA ACUnit 8 BDABD BAABC BCUnit 9 CDBAA CABAC ADUnit 10 CAABD CBBDC AAUnit 11 AABDD DADDB DDUnit 12 CABAC CDACA ABUnit 13 ACDAC BDABC ADUnit 14 DBDCC ACCBD BDUnit 15 CADCD DBACA CAUnit 16 ABCCA DDBAB ACUnit 17 BBADA BBDCD CAUnit 18 BABCD CDCCC BAUnit 19 BBCAD AABDD BCUnit 20 BCADC CCBDB CA新概念英语4答案,新概念英语第四册答案Unit 21 BDBBA ADDAB CAUnit 22 CDACB ADBCD ABUnit 23 CADCC DCABC ACUnit 24 AACCB CADDA CDUnit 25 DBADD CACDB CAUnit 26 CBCBA CDDAB ACUnit 27 BCDCC ACCDD DAUnit 28 ADCDA BCADA BDUnit 29 CCADD CCADA BCUnit 30 CABDD BCCAC DCUnit 31 AABAD BADDC BDUnit 32 BDCBA DBDCA BCUnit 33 BDBAD BCCDC BAUnit 34 DCACB DACDB CAUnit 35 CBCAC ABBDC CDUnit 36 ACBCC ACCDB ACUnit 37 CABAC DBCDC BDUnit 38 CAABB ACBDD ABUnit 39 BCADA BDDBD BCUnit 40 DCDAC ADDDA DB新概念英语4答案,新概念英语第四册答案Unit 41 ACACD CBBBD BCUnit 42 BCCBD BDADC ACUnit 43 DBABC CDDAC BBUnit 44 AAAAB BBBDC BAUnit 45 CADAC CACDC DCUnit 46 BBDBD ABCDA BDUnit 47 CAADB CACDB BCUnit 48 CCBCC CCDBA AB。

新概念英语第四册课后练习答案完整版.doc

Unit 1 CABDD BDAAC AB Unit 2 BCBDC ACAAD BC Unit 3 CABDA CDABA CD Unit 4 ACCAB BCDAA BD Unit 5 CABAB DACBB DD Unit 6 CACCC AAADB AA Unit 7 DCABA BACDA AC Unit 8 BDABD BAABC BC Unit 9 CDBAA CABAC AD Unit 10 CAABD CBBDC AA Unit 11 AABDD DADDB DD Unit 12 CABAC CDACA AB Unit 13 ACDAC BDABC AD Unit 14 DBDCC ACCBD BD Unit 15 CADCD DBACA CA Unit 16 ABCCA DDBAB AC Unit 17 BBADA BBDCD CA Unit 18 BABCD CDCCC BA Unit 19 BBCAD AABDD BC Unit 20 BCADC CCBDB CAUnit 21 BDBBA ADDAB CAUnit 22 CDACB ADBCD ABUnit 23 CADCC DCABC ACUnit 24 AACCB CADDA CDUnit 25 DBADD CACDB CAUnit 26 CBCBA CDDAB ACUnit 27 BCDCC ACCDD DAUnit 28 ADCDA BCADA BDUnit 29 CCADD CCADA BCUnit 30 CABDD BCCAC DCUnit 31 AABAD BADDC BDUnit 32 BDCBA DBDCA BCUnit 33 BDBAD BCCDC BAUnit 34 DCACB DACDB CAUnit 35 CBCAC ABBDC CDUnit 36 ACBCC ACCDB ACUnit 37 CABAC DBCDC BDUnit 38 CAABB ACBDD ABUnit 39 BCADA BDDBD BCUnit 40 DCDAC ADDDA DB新概念英语4答案,新概念英语第四册答案Unit 41 ACACD CBBBD BC Unit 42 BCCBD BDADC AC Unit 43 DBABC CDDAC BB Unit 44 AAAAB BBBDC BA Unit 45 CADAC CACDC DC Unit 46 BBDBD ABCDA BD Unit 47 CAADB CACDB BC Unit 48 CCBCC CCDBA AB。

新概念第4册第5课课后习题及答案

新概念英语第4册课后习题答案: Unit 5 CABAB DACBB DD 新概念英语第4册课后习题: Multiple choice questions 多项选择题 Choose the correct answers to the following questions. Comprehension 理解 1 What's the main difference between young people and old people? a.Old people think of the young as ‘a problem’. b.Old people create this ‘problem’ of age difference. c.Old people have a past; young people have a future. d.Old people and young people forget they are all human beings. 2 One of the things young people want to do is to _____. a.find out who they are b.make sure they become ‘a problem’ c.feel uncertain about themselves d.feel they are in a huge school 3 According to the writer, young people _______. a.are conceited, ill-mannered or fatuous b.don't see life in the same way their elders do c.don't have any ambitions e from another planet 4 The writer doesn't believe that ____. a.people automatically deserve respect because they are old b.young people and old people are equals c.you should argue with young people if they are wrong d.young people have any faults Structure 句型 5 The problem, if there is one, ______ by olderpeople.(1.2) a.created b.is created c.creates d.is creating 6 For one thing, if you ______ a problem, you have acertain identity.(11.7-8) a.were b.being c.had d.are 7 ______ to be linked with life, and the origin of things.(1.12) a.They seem b.It seems c.This seems d.What seems 8 It is _______ they are conceited and ill-mannered.(1.14) a.necessary b.permissible c.possible d.likely Vocabulary 词汇 9 Let us get down to ______.(1.2) a.what is needed b.basics c.the end d.the bottom 10 Perhaps that's where the _____ is.(1.5) a.wound b.problem c.hurt d.injury 11 Identity is one of the things in life the young are busy _______.(11.8-9) a.looking at b.looking to c.looking over d.looking for 12 That's what I____ when I meet a young person.(11.13-14) a.am annoyed with b.care about c.object to d.think about。

新概念英语第四册课后习题及答案演示教学

新概念英语第四册课后习题及答案Structure 句型Lesson 15 in some part of the world people are still____b__ to writeA incapable b impotent c enable d unable6 they can preserve their history _____d_ down legendsA by hand b by handing c to hand d in hand7the ____a__ why these legends are useful is that they tell us about migrationsA cause b effect c why d reason8 there weren't ___a___ of then who could write down what they did.A any b none c no one d noLesson 25 it would ____a__ impossible for us to live in this world if insects had no enemies.A make it b stay c be d have it6 we owe __c____ to the birds and beast who eat insects.A a great deal b a lot of c a great many d much of7 how many spiders are involved _____a_ this work on our behalf?A at b for c in d to8 there are many different ___a___ spidersA sort of b kind of c type of d kindsLesson 35 earlier climbers liked summits ____c__ had never been climbed before.A which b which they c that they d unless they6 _____d_ single aim was getting to the topA they're b there c their d theirs7 ___a___ Zermatt and Chamonix,most places were unknown.A except b unless c without d apart from8 ____b__ were generally dirty and flea-ridden.A the few inns that existed b inns like thisC such inns d few innsLesson 45 several cases have been reported in Russia recently of people ____b__ can readA whom b that c which d they6 one day she came into his office and put her hands on the door of the safe ____c__A as it happened b by chance c perhaps d intentionally7 _d_____ these tests were being conducted ,she was able to read a newspaper.A during b on occasion c while d as if8 Vera couldn't see with her skin ____a__ she was blindfold .A only b except c as if d unlessLesson 55 the problem,if there is one, __d____ by older peopleA created b is created c creates d is creating6 for one thing ,if you ___a___ a problem,you have a certain identity.A were b being c had d are7 ____c__ to be linked with life ,and the origin of things.A they seem b it seems c this seems d what seems8 it is ___b___ they are conceited and ill-manneredA necessary b permissible c possible d likelyLesson 65 if only ____a_ possible for the common people to meet each other.A it would be b it could be c it were d it might be6 you play __a__ winA in order to b in order that c so that d for7 the village green is the _a__ you pick sides.A the place b the time c the reason d the cause8 ____d__ the question of national prestige arisesA the moment b just c as long as d provedingLesson 75 not __b____ sound made by animals serves as languageA every b each c the whole d the entire6 we have only to turn to that extraordinary discovery of echo-location in bats to see a case ____a__ the voice plays a strictly utilitarian roleA which b where c when d though7 __c____ he shout in the vicinity of a wall, an echo will come back.A should b if c when d though8 ___d___ the echo-sounding apparatus was born.A such b the way c that's how d like thisLesson 85 american farmers can't export chickens to europe ___b___ differences in national regulations.A through b according to c in respect of d because of6 an electric razor from the eu __a____ sold in the us unless it meets us standards.A oughtn't to be b can't be c shouldn't be d doesn't have to be7 america and the eu ____a__ to reach a dealA are still trying b slways try c tried d were trying8 the details are __b____ that they may be hard-pressed to get a deal.A so complex b enough complex c such complexity d too complex。

新概念英语第四册课后练习答案完整版

新概念英语4答案,新概念英语第四册答案Unit 1 CABDD BDAAC ABUnit 2 BCBDC ACAAD BCUnit 3 CABDA CDABA CDUnit 4 ACCAB BCDAA BDUnit 5 CABAB DACBB DDUnit 6 CACCC AAADB AAUnit 7 DCABA BACDA ACUnit 8 BDABD BAABC BCUnit 9 CDBAA CABAC ADUnit 10 CAABD CBBDC AAUnit 11 AABDD DADDB DDUnit 12 CABAC CDACA ABUnit 13 ACDAC BDABC ADUnit 14 DBDCC ACCBD BDUnit 15 CADCD DBACA CAUnit 16 ABCCA DDBAB ACUnit 17 BBADA BBDCD CAUnit 18 BABCD CDCCC BAUnit 19 BBCAD AABDD BCUnit 20 BCADC CCBDB CA新概念英语4答案,新概念英语第四册答案Unit 21 BDBBA ADDAB CAUnit 22 CDACB ADBCD ABUnit 23 CADCC DCABC ACUnit 24 AACCB CADDA CDUnit 25 DBADD CACDB CAUnit 26 CBCBA CDDAB ACUnit 27 BCDCC ACCDD DAUnit 28 ADCDA BCADA BDUnit 29 CCADD CCADA BCUnit 30 CABDD BCCAC DCUnit 31 AABAD BADDC BDUnit 32 BDCBA DBDCA BCUnit 33 BDBAD BCCDC BAUnit 34 DCACB DACDB CAUnit 35 CBCAC ABBDC CDUnit 36 ACBCC ACCDB ACUnit 37 CABAC DBCDC BDUnit 38 CAABB ACBDD ABUnit 39 BCADA BDDBD BCUnit 40 DCDAC ADDDA DB新概念英语4答案,新概念英语第四册答案Unit 41 ACACD CBBBD BC Unit 42 BCCBD BDADC AC Unit 43 DBABC CDDAC BB Unit 44 AAAAB BBBDC BA Unit 45 CADAC CACDC DC Unit 46 BBDBD ABCDA BD Unit 47 CAADB CACDB BC Unit 48 CCBCC CCDBA AB。

新概念英语四a参考答案

新概念英语四a参考答案新概念英语四（New Concept English 4）是一套广泛使用的英语教材，它针对的是英语水平较高的学习者，旨在提高他们的英语阅读、写作、听力和口语能力。

以下是新概念英语四A部分的参考答案，供参考使用。

Lesson 1: A Private Conversation1. The man in the corner was wearing a hat.2. The man in the corner was reading a book.3. The man in the corner was listening to the conversation.4. The man in the corner was not interested in the conversation.5. The man in the corner was angry because he was disturbed.Lesson 2: Breakfast or Lunch?1. The writer was invited to lunch.2. The writer was invited to have a meal at half past twelve.3. The writer was surprised to find that it was lunchtime.4. The writer was served with a cup of tea and a biscuit.5. The writer was confused about whether it was breakfast or lunch.Lesson 3: Please Send Me a Card1. The writer is going to visit a foreign country.2. The writer wants the reader to send a postcard.3. The writer is interested in the local scenery.4. The writer prefers to receive a postcard rather than a letter.5. The writer will be away for a few weeks.Lesson 4: An Exciting Trip1. The writer is going on a trip.2. The trip is to the countryside.3. The writer is looking forward to the trip.4. The writer will be away for two days.5. The writer will travel by train.Lesson 5: No Wrong Numbers1. The writer received a wrong number call.2. The caller was trying to reach a different person.3. The writer was not the person the caller wanted to talk to.4. The caller was surprised to hear the writer's voice.5. The writer was amused by the situation.Lesson 6: Percy Buttons1. The writer met a man named Percy Buttons.2. Percy Buttons was a man with a strange name.3. Percy Buttons was a milkman.4. The writer was surprised to learn Percy's occupation.5. The writer was amused by the coincidence of the name. Lesson 7: Too Late1. The writer was late for an appointment.2. The writer missed an important meeting.3. The writer was worried about the consequences of being late.4. The writer tried to explain the reason for the delay.5. The writer was relieved when the other party was understanding.Lesson 8: The Best and the Worst1. The writer is discussing the best and worst aspects of something.2. The best aspect is highly valued by the writer.3. The worst aspect is a significant drawback.4. The writer is trying to weigh the pros and cons.5. The writer is making a decision based on the best and worst aspects.Lesson 9: A Cold Welcome1. The writer received a cold welcome.2. The welcome was not warm or friendly.3. The writer was disappointed by the reception.4. The writer expected a warmer welcome.5. The writer was surprised by the coldness of the welcome.Lesson 10: Not for Jazz1. The writer is discussing a place not suitable for jazz music.2. The place is described as having poor acoustics.3. The writer is a jazz enthusiast.4. The writer was disappointed with the performance.5. The writer suggests that the place is not ideal for live music.请注意，以上内容仅为示例，实际的参考答案可能会根据具体的教材版本和课程内容有所不同。

新概念英语第四册课后习题及答案资料讲解

新概念英语第四册课后习题及答案Structure 句型Lesson 15 in some part of the world people are still __ b__ to writeA in capable b impote nt c en able d un able6 they can preserve their history ____ d_ dow n lege ndsA by hand b by handing c to hand d in hand7the ___ a__ why these lege nds are useful is that they tell us about migrati onsA cause b effect c why d reas on8 there were n't __ a__ of the n who could write dow n what they did.A any b none c no one d noLesson 25 it would ___ a__ impossible for us to live in this world if insects had no en emies.A make it b stay c be d have it6 we owe __c ___ to the birds and beast who eat in sects.A a great deal b a lot of c a great many d much of7 how many spiders are invo Ived ____ a_ this work on our behalf?A at b for c in d to8 there are many differe nt __ a __ spidersA sort of b kind of c type of d kindsLesson 35 earlier climbers liked summits __ c__ had n ever bee n climbed before.A which b which they c that they d uni ess they6 _____ d_ sin gle aim was gett ing to the topA they're b there c their d theirs7 ___ a __ Zermatt and Chamo ni x,most places were unknown.A except b uni ess c without d apart from8 ___ b__ were gen erally dirty and flea-ridde n.A the few inns that existed b inns like thisC such inns d few innsLesson 45 several cases have bee n reported in Russia rece ntly of people __ b can readA whom b that c which d they6 one day she came into his office and put her hands on the door of the safe ___ c__A as it happe ned b by cha nce c perhaps d inten ti on ally7 _d _____ these tests were being con ducted ,she was able to read a n ewspaper.A during b on occasion c while d as if8 Vera could n't see with her skin ___ a__ she was bli ndfold .A only b except c as if d uni essLesson 55 the problem# there is one, __d _____ by older peopleA created b is created c creates d is creat ing6 for one thi ng ,if you ___ a__ a problem,you have a certa in ide ntity.A were b being c had d are7 ___ c__ to be lin ked with life ,and the origi n of thi ngs.A they seem b it seems c this seems d what seems8 it is ____ b __ they are con ceited and ill-ma nn eredA n ecessary b permissible c possible d likelyLesson 65 if only ____ a_ possible for the com mon people to meet each other.A it would be b it could be c it were d it might be6 you play __a__ winA in order to b in order that c so that d for7 the village green is the _a__ you pick sides.A the place b the time c the reas on d the cause8 ___ d__ the questi on of n ati onal prestige arisesA the mome nt b just c as long as d proved ingLesson 75 not __b ___ sound made by ani mals serves as Ian guageA every b each c the whole d the en tire6 we have only to turn to that extraord inary discovery of echo-locati on inbats to see a case ____ a__ the voice plays a strictly utilitaria n roleA which b where c whe n d though7 __c ___ he shout in the vic inity of a wall, an echo will come back.A should b if c whe n d though8 ___ d _ the echo-so unding apparatus was born.A such b the way c that's how d like thisLesson 85 america n farmers can't export chicke ns to europe _ b __differe nces in n ati onal regulati ons.A through b accord ing to c in respect of d because of6 an electric razor from the eu __a ____ sold in the us unless it meets us sta ndards.A ought n't to be b can't be c should n't be d does n't have to be7 america and the eu __ a__ to reach a dealA are still trying b slways try c tried d were trying8 the details are __b ___ that they may be hard-pressed to get a deal.A so complex b eno ugh complex c such complexity d too complex。

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新概念英语第四册课后习题答案Unit 1 CABDD BDAAC AB Unit 2 BCBDC ACAAD BC Unit 3 CABDA CDABA CD Unit 4 ACCAB BCDAA BD Unit 5 CABAB DACBB DD Unit 6 CACCC AAADB AA Unit 7 DCABA BACDA AC Unit 8 BDABD BAABC BC Unit 9 CDBAA CABAC AD Unit 10 CAABD CBBDC AA Unit 11 AABDD DADDB DD Unit 12 CABAC CDACA AB Unit 13 ACDAC BDABC AD Unit 14 DBDCC ACCBD BD Unit 15 CADCD DBACA CA Unit 16 ABCCA DDBAB AC Unit 17 BBADA BBDCD CA Unit 18 BABCD CDCCC BA Unit 19 BBCAD AABDD BC Unit 20 BCADC CCBDB CA Unit 21 BDBBA ADDAB CA Unit 22 CDACB ADBCD AB Unit 23 CADCC DCABC AC Unit 24 AACCB CADDA CD Unit 25 DBADD CACDB CA Unit 26 CBCBA CDDAB AC Unit 27 BCDCC ACCDD DA Unit 28 ADCDA BCADA BD Unit 29 CCADD CCADA BC Unit 30 CABDD BCCAC DC Unit 31 AABAD BADDC BD Unit 32 BDCBA DBDCA BC Unit 33 BDBAD BCCDC BA Unit 34 DCACB DACDB CA Unit 35 CBCAC ABBDC CD Unit 36 ACBCC ACCDB AC Unit 37 CABAC DBCDC BD Unit 38 CAABB ACBDD AB Unit 39 BCADA BDDBD BC Unit 40 DCDAC ADDDA DB Unit 41 ACACD CBBBD BC Unit 42 BCCBD BDADC AC Unit 43 DBABC CDDAC BB Unit 44 AAAAB BBBDC BA Unit 45 CADAC CACDC DC Unit 46 BBDBD ABCDA BD Unit 47 CAADB CACDB BC Unit 48 CCBCC CCDBA AB新概念4 笔记 1 Finding fossil man一、重点单词解释1、recount：v.叙述注意读音，重音在后。

英语中有“名前动后”之说，重音在前是名词，重音在后是动词。

例如：recordrecount：emotionlessdescribe：a little emotionaldepict：同上narrate：temporal & spacial 时间和空间顺序 narrativeportray：像画肖像一样地描述，最强烈2、anthropologist：人类学家注意构词：anthrop = 人philosopher ＝ philo ＋ sopher ＝爱＋智慧＝哲学家philanthropist ＝ phil ＋ anthrop ＝爱＋人＝慈善家anthropology 人类学3、ancestor：祖先an －在前面；fore －在前面同义词：forefather，forebear4、flint ：燧石，打火石flinting heart 心太硬，残忍无比、歹毒近义词：cobble鹅卵石Don't act as you were the only pebble on the beach. 不要太自以为是5、rot ：腐烂Leave me rot. =Leave me alone.Rot to death. 自生自灭。

Soon ripe, soon rotten. 早慧早衰。

He is rotton to core. 他坏透顶了。

同义词：decay；decompose：分解；deteriorate：关系恶化（同学们自己查查它的读音）6、trace：痕迹trace the problem. 用作动词，跟踪，找到毛病的根源I follow your trace ＝I follow wherever you go二、课文重点难点分析We can read of things that happened 5,000 years ago in the Near East, where people first learned to write.1、read of 读到相似用法：谈到speak of、 talk of、了解到know of 、听说过hear of2、知识点：Near East：Mediterranean,South Europe,North AfricaMiddle East：West AsiaFar East：Chian,Japan,Korea3、where 从句是非限制性从句表原因：我们能够....,因为那里的人们首先学会了书写。

4、补充练习：翻译－口语早于书面语出现翻译一：Oral（spoken）language is earlier than written language.翻译二：Oral（spoken）language is earlier than written counterpart.同学们自己查字典学习－counterpart 这个词two things or two people have the same position The only way that they can preserve their history is to recount it as sagas--legends handed down from one generation of story-tellers to another.5、preserve 保留、保存、腌制（preserved vegetables腌菜）6、本句结构是：The only way... is to recount....（主、系、表结构）如果句子中有only ，那么后面跟的表语结构要用 to do sth. 不能用doing sth.7、handed down 定语＝legends where are handed down8、story-teller讲故事的人 fortune-teller、palmreader 算命先生These legends are useful because they can tell us something aboutmigrations of people who lived long ago, but none could write downwhat they did.9、migration：移民注意几个相关词汇：migrant bird：侯鸟immigrant：移民（移入）emigrant：移民（移出）同学们仔细体会这几个词的差异，因为我知道很多同学学英语，打算出国留学、办移民，所以这几个词将来会经常用到。

10、none ＝ no bodyAnthropologists wondered where the remote ancestors of the Polynesianpeoples(民族) now living in the Pacific Islands came from.11、Polynesian peoples：people＋s 复数表示民族。

But the first people who were like ourselves lived so long agothat even their sagas, if they had any, are forgotten.12、重要句型：if they had any 插入语表示强调-‘即便是有’His relatives, if he had (any), never went to visit him when he was hospitalized. So archaeologists have neither history nor legends to help them to find out where the first ''modern men'' came from.13、neither：读音,英音[ ai ],美音[ i: ] 还有either 这个词14、find 与 find out 的区别：find out 指千方百计、费尽周折后找到=explore15、modern men ＝ who were like ourselvesFortunately, however, ancient men made tools of stone...16、知识点：表示转折的连接词－however、but、yet规律：but、yet 不要加任何标点，only at the beginning of sentencehowerver : 放在anywhere you want，加逗号therefore 和 so 的用法同上，therefore可以放任何地方；so只在句首17、tool小工具 instrument实验器械 equipment设备18、may have 表推测They may also have used wood and skins ...19、peel果皮 leather皮革 hide兽皮 cowhide牛皮Stone does not decay, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.20、without (any) traceI run after the thief, but he turned the corner and disappeared without trace.Lesson 2: Spare that spiderNew words and expressions 生词短语flocks and herds 牛群和羊群／flCk/ the birds of the same feather flock together.物以类聚，人以群分you are the same flock.也可指人herd多指牛群cowherdcowboythrong and crowd swarmowe /[U/ vt.感激欠 I owe you. I owe you a big favor. 欠issueobligeindebt appreciate----常用口语词正式：gratefulthankfulbeast /bi: st/ n 兽形容人野蛮无比，不能用animal 形容creature可以指小孩，女人，不用于男性．fraction / ＇frAkF[n/ n.小部分分数，小数 a fraction of rice will sufficeon one＇s behalf 代表．．．利益I beat you on your behalf.我打你是为你好 on behalf of somebody /somethingon behalf of chinese government on behalf of ＝representauthority /C:＇WCriti/ n.权威authorize批准 authoritative权威性的 authoritarian 独裁的－tarian带有这种词缀的词都是坏词 dictator独裁者dictatorial独裁的authorities １．权威（可单数可复数）２．当局（复数）census /sens[s/ n.统计数据the fifth national population 审查censorious 挑剔的，挑刺的acre /＇eik[/ n.英亩１acre＝４０４７square metersfootball pitch 足球场 football yardfootball court football fieldbe content with 满足于满足作表语，不能出现定语结构He is content with status heart :心满意足的人spare /spZ[/ v. 不伤害，宽恕spare meHe doesn’t spare himself.I spare no efforts to learn english.( spare no efforts: 不遗余力作什么) Notes on the text 课文注释why, you may wonder－you may wonder why插入语先不管插入语，弄清句子结构you may wonder why spiders should be our friends？插入语位置不固定why以疑问句开头why,you may wonder,the problem of pollution befalls human beings.why,you may wonder,one of my friends is so kindhearted.destroy程度比damage要重得多，片甲不留，消灭光tear into piecesdear enemygreatest enemies:天敌dying enemycrying enemyhuman race:人的种族，一般不加复数，表示一个总称词impossible 和possible 永远不要以人开头It is impossible for somebody to do something.likely可以以人做主语。

新概念英语第四册课后习题答案