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It is said that bad living habits as well as dirty surroundings, stuffy room and some other factors _______ the wide spread flu.

A. result from 　　　　　　　　　　　　　　　　　　　　　　　　　　　 B. benefit from

C. devote to　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D. contribute to

 Young adults _______ older ones are more likely to prefer pop songs and become enthusiastic sports fans.

A. other than                                                           B. more than

C. less than                                                             D. rather than

According to the school rules, no student _______ go out of the school after nine o’clock at night without the teacher’s permission.

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

—How do you like the set of popular science books?

—Wonderful! It _______ many problems we are interested in about exploring.

A. refers　　　　　　　　　　　 B. consults C. covers D. writes

Thousands of rockets _______ with chemicals were fired into the sky to create the beautiful scenes in the Asian Games．

A. load B. loaded　　　　　　　　　　 C. loading D. to load

I admit I made a lot of mistakes in the work，and I will _______ responsibility for them．

A. secure　　　　　　　　　　 B. assume　　　　　　　　　　　　　 C. decline　　　　　　　　　　　　　 D. accept

 I got there late; I ________ the road to be so crowded.

A. wouldn’t expect                                           B. haven’t expected

C. hadn’t expected                                           D. wasn’t expecting

— Don’t argue with me. Just do as you are told!

— _______ I don’t?

A. What if　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 B. How come

C. What about　　　　　　　　　　　　　　　　　　　　　　　　　　　　 D. Only if

 —What do you think I should do, Anny?

—In my opinion, you will need to seek _______ advice about your claim.

A. financial                                                             B. individual

C. professional                                                        D. original

We can never expect _______ bluer sky unless we create_______less polluted world.

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