14．They have ________ the cause of the accident，but the result is still not known to us.

A．looked for　　　 　　　　　 B．looked up

C．looked into　　　 　　　　　 D．looked round

答案与解析：C　题意：他们调查了事故的起因，但我们依然不知道结果。look for“寻找”；look up“查找”；look into“调查；研究”；look round“环顾”。

13．The suspect's fingerprint printed on the gun was the main ________ against him.

A．crime　 　　　　　　　　　　　 B．information

C．evidence　 　　　　　　　　　　 D．conviction

答案与解析：C　题意：那个嫌疑犯在枪上留下的指纹是证明他有罪的主要证据。evidence“证据；证明”。

12．You'd better not ________ the radio，or you'll not be able to put it back together again.

A．take apart　 　　　　　　　　　 B．take away

C．take out　 　　　　　　　　　　　 D．take in

答案与解析：A　本题考查短语辨析。由后半句中的“put it back together”可知用take apart“拆开；分开”。

11．China has planned to build the world's largest national park，________ is expected to replace America's Yellowstone National Park.

A．which　 　　　　　　　　　　　　 B．where

C．what　 　　　　　　　　　　　　　 D．as

答案与解析：A　该非限制性定语从句中缺少主语成分，故用which引导，指代前半句中的the world's largest national park。

10．There is no doubt ________ international cooperation is the key to ________ with cybercrime.

A．whether; doing　 　　　　　 B．that; dealing

C．whether; dealing　 　　　　 D．that; doing

答案与解析：B　There is no doubt表达的是肯定含义，故其后用that来引导从句；the key to结构中的to为介词，后接名词或动名词作宾语。

9．The journey around the world took the old sailor nine months，________ the sailing time was 226 days.

A．of which　 　　　　　　　　　　 B．during which

C．from which　 　　　　　　　　 D．for which

答案与解析：A　of which引导定语从句，表示“其中……”。这位老船员花了9个月的时间环游世界，其中航海的时间是226天。

8．-I'm worn out；________，the bike doesn't work well，so I can't go farther.

-Then，we'd better have a rest here.

A．apart from　 　　　　　　　　　 B．except for

C．beside　 　　　　　　　　　　　　 D．besides

答案与解析：D　besides可用做副词，意为“另外；此外还有”，用于引出下面的话题信息。

7．The square in front of the supermarket is so limited that when going there，first of all，you should consider ________ your car.

A．parking　　　　　　 B．where to park

C．to park　 　　　　　　　　　　　 D．where parking

答案：B

6．Mary ________ my letter，otherwise she would have replied before now.

A．has received　　

B．ought to have received

C．couldn't have received

D．shouldn't have received

答案与解析：C　本题考查情态动词+have done的用法。句意：玛丽一定没有收到我的信，要不然的话她在这之前就给我回复了。couldn't have done sth.表示“不可能做过某事”。

5．-What do you ________ the TV series?

-It is ________.I've never seen such a better one before.

A．think of; think highly of

B．think of; highly thought of

C．think about; thought well

D．think about; highly thought of

答案与解析：B　本题考查think短语的用法。第一空表示“对……的看法”，常见句型为What do you think of...？第二空表示“受到很高的评价”，变为被动语态时介词of不能丢掉。