1628] It is said that the two wountries _____.

[译文] 据说这两个国家在交战。

　 A. have been in the war 　 B. are on the war

　 C. have been in the state of war 　 D. are in a state of war

[答案及简析] D。 be at war = be in a state of war 处于战争的状态。

1627] -----You look tired.　　-----Yes, I _____ non-stop until seven o’clock.

[译文] --你看起来有点疲倦。　　--是的，我一直没停工作到七点钟。

　 A. am working 　 B. was working

　 C. has worked 　 D. had worked

[答案及简析] B。 强调工作延续到七点，不能用完成时态。

1626] He had learned enough german to _____ a conversation.

[译文] 他学的德语足够进行对话。

　 A. carry out with 　 B. carry on

　 C. continue on 　 D. carry

[答案及简析] B。 carry on 进行。

1625] Many foreigners ______ the Great Wall as the World’s senventh Wonder.

[译文] 许多外国人把长城当作世界第七大奇迹。

　 A. look at 　 B. look for

　 C. look around 　 D. look on

[答案及简析] D。 look on …. as… 把…当作…。

1624] Have you ever noticed the man, _____ walking with his dog over there? That’s a spy.

[译文] 你注意到那个人没有？　在那边和一条狗在散步的人。　他是一个间谍。

　 A. he 　 B. one

　 C. who 　 D. the one

[答案及简析] D。 the one 作the man的同位语。

1623] He is a brave man, _____ never fears for his life.

[译文] 他是一个勇敢的人，一个一生都不害怕的人。

　 A. he 　 B. one

　 C. who 　 D. the one

[答案及简析] C。 定语从句，who代替前面的句子作从句的主语。

1622] It _____ during the past century that learning is a lifelong task for human being.

[译文] 在过去的世纪里已经证明学习是人类终生的任务。

　 A. is proved 　 B. proves

　 C. has proved 　 D. has been proved

[答案及简析] D。 during the past century 包括现在，因此是现在完成时态。

1621] She heard a terrible noise, _____ bought her heart into her mouth.

[译文] 她听到了一个恐怖的声音，这声音使她把心都提到嗓子眼了。

　 A. which 　 B. it

　 C. that 　 D. what

[答案及简析] A。 定语从句，which代替前面的句子作从句的主语。

1620] What he said _____. He knows nothing about the intelligence economy.

[译文] 他说的没道理。他对情报经济学一窍不通。

　 A. get some sense 　 B. gets some sense

　 C. make no sense 　 D. doesn’t make any sense

[答案及简析] D。 make sense固定搭配，讲得通，有道理。

1619] Do you think a person _____ is more clever than one _____?

[译文] 你是不是认为有债务的人比没有债务的人聪明一些？

　 A. with debt; without debt 　 B. under debt; up debt

　 C. in debt; out of debt 　 D. on debt; over debt

[答案及简析] C。 in debt有债务；out of debt没有债务。