20春大学英语（三）作业1 1 单选题 1 You have nothing to _ by refusing to listen to our advise.A gainB graspC seizeD earn2 The tomato juice left brown _ on the front of my jacket.A trackB traceC spotD point3 There are some people who show great _ about others affairs.A livesB expectsC interestsD curiosity4 Since the matter was extremely _, we dealt with it immediately.A toughB tenseC urgentD instant5 No one had told Smith about _ a lecture the following day.A there beB there would beC there wasD there being6 The baby is hungry, but theres _ milk in the bottle.A littleB a littleC fewD a few7 Although he did not know London well, he made his way _ to the airport.A easy enoughB enoughC easily enoughD enough easily8 He lived in a mountain hut which was _ the village.A nearB detached fromC closeD divided from9 Mike is better than Peter_ swimming.A forB atC onD in10 In a time of social reform, peoples state of mind tends to keep _ with the rapid changes of society.A stepB paceC touchD progress11 I _ the book I wanted to find before I left the bookstore.A caught sight ofB caughtC got holdD lost sight of12 Well visit Europe next year _ we have enough money.A providedB unlessC untilD lest13 _ glad to help you.A Each of them areB They each areC They are eachD Each are14 If this kind of fish becomes _, future generations may never taste it at all.A scarceB minimumC shortD seldom15 Had you come five minutes earlier, you _ the train to Birmingham. But now you missed it.A would catchB would have caughtC could catchD should catch16 No matter _ , the little sisters managed to round the sheep up and drive them back home safely.A it was snowing hardB hard it was snowingC how it was snowing hardD how hard it was snowing17 Anna was reading a piece of science fiction, completely _ to the outside world.A having been lostB to be lostC losingD lost18 _ seeing the damage he had done, the child felt ashamed.A AtB ByC OnD For19 It is not that we are more eager, _ we have invented all sorts of social devices to hasten the process.A soB but thatC orD only because20 _ more time and experience, he could have done it far better. What a pity.A WithB WithoutC GivingD For