新概念英语第四册课后习题及答案.doc

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 werent ___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 theyre 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 couldnt 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