A. to, as

　　B. with, by

　　C. on, with

　　D. by, of

　　5. To what extent will future scientific discoveries ________ the prolonging of human life?

　　A. be made possible

　　B. make possible

　　C. make it possible

　　D. be made it possible

　　6. Lee ____ in the election, but he began to come from behind in the last week and won in the end.

　　A. was losing

　　B. was lost

　　C. lost

　　D. had lost

　　7. After the professor________ out the project made a comment on the report, the media focused on it.

　　A. was opposed to carry

　　B. opposed to carry

　　C. opposed to carrying

　　D. opposed carrying

　　8.Written in a hurry, ___________.How can it be satisfactory?

　　A. they find many mistakes in the report

　　B. lots of mistakes have been made in the report

　　C. there are plenty of mistakes in the report

　　D. the report is full of mistakes

　　9. _____ that Tom got inside the room to see what was going on.

　　A. So strangely did he feel

　　B. So strangely he felt

　　C. So strange did he feel

　　D. So strange he felt

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