25. After careful research, it was decided that the spaceship should reenter the Earth's____. A. surface B. air C. environment D. atmosphere ...

14. It’s three weeks since he took the medicine, but the medicine doesn’t seem to _____. A. affect B. effect C. work D. make ...

25. A satellite is _______ object traveling in _______ orbit round another object in _______ space. A. the,/, the B. an,an,a C. the,an, a D. an, an,/ ...

4. ________ the advances of science , the discomforts of old age will no doubt always be with us. A. As for B. Besides C. Except D. Despite ...

11. The old man was so kind that he could be ____a murderer. A. nothing but B. all but C. anything but D. something but ...

25. There are some ________ on the hill. A. sheeps B. a sheep C. sheep D. sheepes ...

18. Sarah has read lots of stories by American writers. Now she would like to read ___stories　by writers from ____countries. A. some, any B. other, some C. some, other D. other, other ...

8. A:It's cloudy outside. Please take an umbrella. B:__________. A. OK, just in case B. Well, it just depends C. Yes, take it easy D. All fight, just in case of ...

20. Tom had a bad cold, （） he still went to school. A. so B. or C. and D. but ...

13. How was your recent visit to Qingdao? 　 —It was great. We visited some friends, and spent the days at the________seasides. A. few last sunny B. last few sunny C. last sunny few D. few sunny last ...