25. If you feel tired and sick of fat food, that is ________ you have to go to the hospital for a medical examination.　 A. why　　　　　　 B. when　　　　 C. which　　　　 D. what

24. - How beautiful the dress looks ____ you! Don’t you want _____, Madam?

- Please show me _______.

A. in; one; another　　 B. on; it; another　 C. in; it; the other　　 D. on; one; the other

23. When a giraffe(长颈鹿) has ______ drink, it has to stand with its front legs wide apart in order to reach ______ water.　

A. /; /　　　　　　 B. a; the　　　　　 C. the; /　　　 　　D. /; the

22. No one in the department but Tom and I_________ that the director is going to resign. A. know　　　 　　 B. am to know　 　 C. knows　　　 　　　　　 D. have known

21. We had thought the examination would be difficult, but it _____ easy.

　 　　 A. turned B. resulted　 C. appeared　　　　　 D. proved

20. --Why haven’t you asked her to come here?

　 --She _______ an important experiment when I found her and she _____ it.

　　 A. had done ; didn’t finish　　　　　　　　　　　　 B. was doing ; hasn’t finished

C. did ; wouldn’t finish　　　　　　　　　　　　　　 D. has done ; hadn’t finished

19. On the top of the hill　　 　，　　　 　the old man once lived.

　　　 A. a temple stands there; in which　 　　　　　　　 B. a temple standing; on which

　　　 C. does a temple stand; where　　 　　　　　　　 D. stands a temple; where

18. It was until October that they _____.

　 　　 A. finished their long journey 　　 B. paid off the debts

　 　　 C. reached an agreement　　　 　　　　　　 D. worked on the project

17．______ from other continents for millions of years, so it has many plants and animals that cannot be found anywhere else in the world.

　 　　 A. Having been separated　　　 B. Separated C. It has been separated D. Having separated

16. ---How did your students express their thanks to you on Teachers’ Day?

　 ---A gift together with many flowers _______ sent to me .

　　　 A. is　　　　　　　　　　　　　　　　　 B. are　　　　　　　　　　　　　 C. was　　　　　　　　　　　　　 D. were