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1、 1 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
2、 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
3、 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 2 5 earlier climbers liked summits _c_ had never been climbed before. A which b which they
4、 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 fe
5、w 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 ,sh
6、e 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 3 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
7、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 t
8、he 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 th
9、e moment b just c as long as d proveding Lesson 7 5 not _b_ sound made by animals serves as language 4 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
10、 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 thats how d like this Lesson 8 5 american farmers cant export chickens to europe _b_ differences in national regulations. A
11、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 oughtnt to be b cant be c shouldnt be d doesnt 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
