Water can absorb and give off a lot of heat without big changes in temperature, thus creating a______environment.

A. peaceful      B. sensitive    C. common       D. stable

 I ______in Beijing for six years, butI've never regretted my final decision to move back to my hometown.

   A. worked   B. was workingC. have worked    D. had worked

 —I’m thinking of tomorrow’s maths test. I’m afraid I can’t pass it.

—______. I’m sure you’ll make it.

A. No problem     B. Good luck          C. Give up        D. Cheer up

 —Why does she always ask you for help?

—There is no one else ______,is there?

   A. who to turn to         B. she can turn to

   C. for whom to turn        D. for her to turn

 Hardly could he_______this amount of work in such a short time.

A. get through       B. get off        C. get into        D.get down

We can' t keep winning games ________ we keep playing well.

A. because    B. unless    C. when  D. while

 Reading is an experience quite different from watching TV; there are pictures ______ in your mind instead of before your eyes.

 A. to form       B. form         C. forming       D. having formed

 The school should spend some time training students to_______in any emergency, especially with all in the buildings.

A. bring outB. help out C. figure outD. give out

 — Thank God! The accident was avoided after all.

—That was lucky, but ten inches nearer the two cars _________?

A. was destroyed                B. would be destroyed

C. would have been destroyedD. had been destroyed

 ______ hot the night air was,we slept deeply because we were so tired after the long journey.

A. Although        B. As       C.While       D. However