新概念英语第四册课后习题及答案

Structure 句型

Lesson 1

5 in some part of the world people are still____b__ to write

A incapable b impotent c enable d unable

6 they can preserve their history _____d_ down legends

A by hand b by handing c to hand d in hand

7the ____a__ why these legends are useful is that they tell us about migrations

A cause b effect c why d reason

8 there weren't ___a___ of then who could write down what they did.

A any b none c no one d no

Lesson 2

5 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 it

6 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 of

7 how many spiders are involved _____a_ this work on our behalf?

A at b for c in d to

8 there are many different ___a___ spiders

A sort of b kind of c type of d kinds

Lesson 3

5 earlier climbers liked summits ____c__ had never been climbed before.

A which b which they c that they d unless they

6 _____d_ single aim was getting to the top

A they're b there c their d theirs

7 ___a___ Zermatt and Chamonix,most places were unknown.

A except b unless c without d apart from

8 ____b__ were generally dirty and flea-ridden.

A the few inns that existed b inns like this

C such inns d few inns

Lesson 4

5 several cases have been reported in Russia recently of people ____b__ can read

A whom b that c which d they

6 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 intentionally

7 _d_____ these tests were being conducted ,she was able to read a newspaper.

A during b on occasion c while d as if

8 Vera couldn't see with her skin ____a__ she was blindfold .

A only b except c as if d unless

Lesson 5

5 the problem,if there is one, __d____ by older people

A created b is created c creates d is creating

6 for one thing ,if you ___a___ a problem,you have a certain identity.

A were b being c had d are

7 ____c__ to be linked with life ,and the origin of things.

A they seem b it seems c this seems d what seems

8 it is ___b___ they are conceited and ill-mannered

A necessary b permissible c possible d likely

Lesson 6

5 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 be

6 you play __a__ win

A in order to b in order that c so that d for

7 the village green is the _a__ you pick sides.

A the place b the time c the reason d the cause

8 ____d__ the question of national prestige arises

A the moment b just c as long as d proveding

Lesson 7

5 not __b____ sound made by animals serves as language

A every b each c the whole d the entire

6 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 role

A which b where c when d though

7 __c____ he shout in the vicinity of a wall, an echo will come back.

A should b if c when d though

8 ___d___ the echo-sounding apparatus was born.

A such b the way c that's how d like this

Lesson 8

5 american farmers can't export chickens to europe ___b___ differences in national regulations.

A through b according to c in respect of d because of

6 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 be

7 america and the eu ____a__ to reach a deal

A are still trying b slways try c tried d were trying

8 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

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新概念英语第四册课文word版

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Lesson1 We can read of things that happened 5,000 years ago in the Near East, where people first learned to write. But there are some parts of the world where even now people cannot write. 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. These legends are useful because they can tell us something about migrations of people who lived long ago, but none could write down what they did. Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from. The sagas of these people explain that some of them came from Indonesia about 2,000 years ago. But the first people who were like ourselves lived so long ago that even their sagas, if they had any, are forgotten. So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.

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