2. beneficial

15. At minus 130℃, a living cell can be _________ for a thousand years.

(2007·上海)

A. spared　 　

B. protected

C. preserved　　 　

D. developed

14. -Are you all right?

-_________.(2008·浙江)

A. That’s OK　

B. I think so

C. Take it easy

D. It’s very kind of you

13. -I’m still working on my project.

-Oh, you’ll miss the deadline. Time is _________. (2008·江苏)

A. running out　 　

B. going out

C. giving out　　　　

D. losing out

12. In those days, our _________ concern was to provide people who were stopped by the snow storm with food and health care. (2008·湖北)

　 A. normal　 　　　 　

B. constant　

C. permanent 　　 　

D. primary　

11. The top leaders of the two countries are holding talks in a friendly_________ .

(2008·湖北)

　 A. atmosphere 　 　

B. state　 　

C. situation　　　　　

D. phenomenon

10. As these new products are not selling well, the members of the board have decided to _________production.

A. cut down　　　

B. cut down to　　　

C. cut down on　 　

D. cut off

9. A person who believes that he is incapable will not make a real _________, because he feels that it would be useless.

A. decision　　　

B. success

C. effort　　　　

D. trouble