19. Obama was elected _____ president last year, who is _____ first black president of ______ USA.

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

18. -----Was it under the tree 　　　　you laid your bike when away posting the letter in the post office?

-----Sure. But when I got back, it was gone. It’s a gift bike from my parents.

A. that　　　 B. where　　 C. While 　　　　　 D. which

17. Many Chinese universities provided scholarships for students ______ financial aid.

A. in favor of　　　 B. in honor of　　　 C. in face of　　　 D. in need of

16. -Would you like to join me for a quick lunch before class?

-______, but I promised Nancy to go out with her.

A. I’d like to　　　　　 B. I like it　　　　　　　　　　 C. I don’t　 　　　　　 D. I will

15. It has been proved ___ eating vegetables in childhood helps to protect you against serious illnesses in later life.

A. if　　　　　　　 B. because　　　　　　　　　　 C. when　　　　　　　　　　　 D. that

14. We went through a period ___ communications were very difficult in the rural areas.

A. which　　　　　　　 B. 　 in which　　　　　　　　 C. whose　　　　 D. with which

13. The health official said ____ 12 suspected cases of influenza A(H1N1)were tested negative and ___, so far, this city has reported no case of the virus.

A. what; that　　 B. that; what　　　 C. 不填; that　　 D. that; 不填

12. Ten years ago the population of our village was_________ that of theirs.

A. twice as much as　　 B. twice as large as　　 C. as twice large as　 D. as twice much as

11. The newly-built skyscraper, 　　　　　, is thought the first one in this city.

A. one hundred and twenty-five meters as high as

B. as one hundred and twenty-five meters as high

C. as high one hundred and twenty-five meters as

D. as high as one hundred and twenty-five meters