27. ------ Can I pay the bill by check ?

　 ------ Sorry, sir. But it is the management rules of our hotel that payment _______ be made in cash.

　　 A. shall　　 B. can　　　　 C. will　　　　 D. may

26. In order to continue to learn by ourselves after leaving school, we must　 ______ learn how to study in the school now .

　 　A. after all　 B. in all　　　 C. above all　 D. first of all

25. The job is great in terms of salary . It has its disadvantages, _______ .

　　 A. though　　 B. however　　 C. even　 D. therefore

24. ______ it is hoped that college students should be equipped with the ability to take a good set of notes, this is not always the case.

　　 A. When　　 B. While　　　 C. As　　 D. Unless

23. The child should be punished. You shouldn’t let him ______ telling lies.

　 A. keep away from　　　　　 B. keep away with

　 C. get away from　　　　　　 D. get away with

22. Susan was just　 _____ at those pigeons at the time, so I don’t think she saw me.

　 A. spotting　　 B. watching　 C. glaring　　　 D. staring

第一节：单项填空(共15小题；每小题1分，满分15分)

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

21. ------Mum，can I go out to play with Tom for just a while ？

　 ------ _______ and do what you like.

　 A. No way　　 B. Go ahead　 C. It depends　 D. Don’t worry

22、(14分)设在上是单调函数.

(1)求实数的取值范围；

(2)设≥1，≥1，且，求证：.