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

　　参考答案

　　1.正确答案：B答案解析：in trouble：陷入困境。由于经济陷入困境，所以支持率下降了很多，符合句意。

　　2.正确答案：C答案解析：本句中that引导的也是同位语从句。

　　3.正确答案：B答案解析：in that意思是：在于，因为。解释differ from automatic machines的具体方面。

　　4.正确答案：B答案解析：空格前面是belief，后面是一个结构完整的句子，解释说明belief的具体内容。所以用that引导这个同位语从句。

　　5.正确答案：A答案解析：此题考查的是固定词组搭配。at a stretch一口气地。

　　6.正确答案：D答案解析：be left……：被置于……的境地。它是leave sth……的被动式。standing：站立的，固定的，直立的。be left加形容词是常用的一种表达方式。

　　7.正确答案：C答案解析：译文：尽管他很累，他也没有时间休息。此题考查的是让步状语从句，从句中表语提前。

　　8.正确答案：D答案解析：译文：既然我们已经有了命题，我们就不应漫无边际地交谈。此题考查对固定短语的掌握情况。at once立刻;at hand在附近，在手头，即将发生;at intervals间或，不时;at random随便，任意。

　　9.正确答案：C答案解析：译文：当他真正需要鼓励时，你为什么责备他的拙劣判断。此题考查准确判断句子结构。when引导时间状语从句，what he really needs充当这个时间状语从句的主语。

　　10.正确答案：B答案解析：本题考查的是短语区分。A.不休息地，连续地;B.不知所措，茫然，不了解;C.任意的，随便的;D.最后，终于。句意：医生们不了解执行安乐死的准则。