30.　 The math teacher has pointed out that the coming exam is very difficult and that all the students can’t pass it.

Which of the following sentences has the same meaning as the underlined part?

A.　　 Since the exam is very difficult, only some students can pass it.

B.　　　 Though the exam is very difficult, all the students can pass it.

C.　　　 Because the exam is very difficult, none of the students can pass it.

D.　　 The exam is very difficult, so all the students won’t take it.

29.　 Great changes __________ in Hangzhou over the past ten years and now the city of Hangzhou has really become the Paradise on Earth.

A. have taken part 　　　　 B. have taken place　　　　 C. were happened　　　　　 D. broke out

28.　 The teacher was _________ some test papers _______ Tom burst out crying.

A. handing out; when　　 B. collecting; while　　　　　　　 C. giving out; then 　　　 D. giving off; as

27.　 You can’t go swimming alone in your holiday _____ your parents _______ you.

A. until; allow　　　　　　　 B. unless; allow　　　　　　 C. before; agree　　　　　　 D. if; not agree

26.　 ________ ! There is a dog in the yard; it might hurt you.

A. Look up　　　　　　　　　　 B. Look around　　　　　　 C. Look down 　　　　　　 D. Look out

25.　 You may be ______ if you have a ______ problem going around you.

A. worried; worrying　　　　　　　　　　　　　　　　　　　　 B. worried; worried

C. worrying; worrying　　　　　　　　　　　　　　　　　　　 D. worrying; worried

24.　 Charlie Chaplin _______ a great actor as a child, and at last his dream _______ .

A. dreamed to be; came to true　　　　　　　　　　　　　 B. dreamed of being; realized

C. dreamed of being; came true　　 　　　　　　　　　　 D. dreamed about to be; was come true

23.　 A pen-friend of mine _______ I often receive letters asked me for some Chinese stamps.

A. with whom 　　　　　　　　　　 B. who 　　　　　　　　　　　 C. whom 　　　　　　　　　　 D. from whom

22.　 It was in Beihai Park, ____ they made a date for the first time, _______ the old couple told us their love story.

A. that; that　　　　　　　　　 B. where; when　　　　　　 C. where; that 　　　　　　 D. that; when

21.　 He was hit by a terrible disease, but fortunately he stayed _______ at last.

A. living　　　　　　　　　　　 B. live　　　　　　　　　　　　　 C. lively　　　　　　　　　　　 D. alive