D. some other subjects and music
17. _____ air is to man, so is water to fish.
A. Since
B. Just
C. Like
D. As
18. There is plenty of rain in the south _____ there is little in the north.
A. while
B. as
C. when
D. so
19. _____ several times about it, but he could not give the correct answer.
A. Being asked
B. Having been asked
C. He would ask
D. He had been asked
20. I don’t like chicken _____ fish.
I don’t like chic ken, _____ I like fish very much.
A. and；and
B. and；but
C. or；but
D. or；and
21. _____ the days went on, the situation there got worse.
A. With
B. Since
C. While
D. As
22. _____ everybody is here, let’s set out right away.
A. Now that
B. Because
C. For
D. After
23. The science of medicine, _____ progress has been very rapid lately, is perhaps
the most important of all the sciences.
A. to which
B. in which
C. which
D. with which
24. We must do the experiment carefully _____ Miss Liu told us.
A. what
B. since
C. as
D. while
25. Tony will never forget these days _____ she lived in China with her mother, _____ has a great effect on her life.
A. that；which
B. when；which
C. which；that
D. when；that
[参考答案] 1-10 CBDDB ABCAB 11-20 CBABC BDADC 21-25 DABCB
[答案说明]
10. Recently I bought an ancient Chinese vase, _____ was very reasonable.
此题主要考查非限制性定语从句。答案B. the price of which。其中，答案C. its price 意义上也说得通，但是应加上一个并列连词and，这样句子结构才清晰。
11. After ten years, she changed a lot and looked different from _____ she used to be.
一般说到人的话用whom，意思是“她看上去不像以前的她了。”但此题参考答案是what，有点不易理解。
13. He’s got himself into a dangerous situation _____ he is likely to lose control over the plane.
此题中situation 是名词，一般会想到用B. which。但是，这里的situation 说的是一种状况，相当于in which (在这种状况里)，答案应是where。
16. The students of the music school study _____ .
这是一个有点奇怪的题目。答案B. some other subjects as well as music 和C. music as well as some other subjects 意义几乎相同。按理说，音乐学校的学生当然主要学music，再学其它课程。但答案正好相反，是B
附参考答案：
一. 1.S+V+O 2.S+V+InO+DO 3.S+V+O+OC
4.S+V
5.S+V+P
6.S+V+P