30. For miles and miles you can see nothing but a desert, without a single plant or tree ___.

A. on earth　 B. at a distance　 C. in place　 D. in sight

29. Please turn down the radio. I can’t ____ my work with so much noise.

A. concentrate in　 B. concentrate　 C. concentrate on　 D. concentrate at

28. The purpose of this programme is to protect forests ___ the environment.

A. and improve　 B. improve　 C. and improving　 D. to improving

27. --When ___ again?　　 --When he___, I will let you know.

A. he comes; comes　　　　 B. will he come; will come　

C. he comes; will come　　　 D. will he come; comes

26. Eighty percent of the population in the city ___ workers.

A. are　 B. is　 C. being　 D. has been

25. The food on the table was so ____ that I couldn’t help tasting it.

A. invited　　 B. interesting　 C. smelly　 D. inviting

24. These books belong to me, while the books over there are ____.

A. him and her　 B. his and hers　 C. his and her　 D. him and hers

23. If you don’t know the meaning of the word, you can ___ the dictionary.

A. refer to　 B. look into　 C. look up　 D. check

22. It was so dark in the street that he couldn’t see anything and had to ___ out.

A. fight his way　 B. feel his way　 C. lose his way　 D. push his way

第一节：单项填空(共15小题，每小题1分，满分15)

从A、B、C、D四个选项中，选出可以填入空白处的最佳答案

21．Many farmers in the countryside now have turned to ___ pigs and sheep in order to earn more money.

A. take　　 B. make　　 C. keep　　 D. grow