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　　人生终有许多选择。每一步都要慎重。但是一次选择不能决定一切。不要犹豫，作出选择就不要后悔。今天小编给大家带来了2021年自考英语二模拟试题供大家练习，希望对您有所帮助！
　　1.A year later，with the nation‘s economy ________， Bush’s approval rating dropped below 40 percent.
　　A. in power
　　B. in trouble
　　C. in hand
　　D. in part
　　2.There is the appreciation of the salient historical truth ________ the aging of advanced societies has been a sudden change.
　　A. which
　　B. what
　　C. that
　　D. how
　　3.Robots differ from automatic machines ________ after completion of one specific task，they can be reprogrammed by a computer to do another one.
　　A. in case
　　B. in that
　　C. in which
　　D. in time
　　4.Basically，these attitudes amount to a belief ________ leisure can and should be put to good use.
　　A. which
　　B. that
　　C. what
　　D. how
　　5.The professor worked for 7 hours at a ________.
　　A. stretch
　　B. extend
　　C. expand
　　D. prolong
　　6.If an earthquake occurred，some of the one-storey houses ________.
　　A. might be left stand
　　B. might leave to be standing
　　C. might be left to stand
　　D. might be left standing
　　7.________， he had no time to rest.
　　A. As he was tired
　　B. If he was tired
　　C. Tired as he was
　　D. Now that he was tired
　　8.Since we have a focused subject， we should not talk ________.
　　A. at once
　　B. at hand
　　C. at intervals
　　D. at random
　　9.Why do you blame him for his poor judgment on the matter ______ he really needs is encouragement?
　　A. when that
　　B. since that
　　C. when what
　　D. now that
　　10.The doctors are ________ about the guidelines under which they can carry out euthanasia.
　　A. at a stretch
　　B. at a loss
　　C. at random
　　D. at length