8. Stress and tiredness often result in a lack of concentration. A. 错误 B. 正确 ...

12. Common interests have formed a _______ between us, which may bring about cooperation with each other in more fields. A. trade B. bond C. unit D. fantasy ...

6. A fully qualified ________ can help different parties to overcome language barriers and bring about a meeting of minds like milk mingling with water. A. interpreter B. guide C. agent D. companion ...

10. Any sensible students with the aim would have chosen a college with a large engineering department. A. 错误 B. 正确 ...

5. The production of various electron tubes has been increased four times as 1989. A. 错误 B. 正确 ...

19. That's _______ — I thought I'd left my keys here but I can't find them. A. wild B. strangely C. serious D. weird ...

13. The baby is hungry, but there's _________ milk in the bottle. A. little B. a little C. few D. a few ...

7. He looks sad because there are so many problems ___________. A. remaining to settle B. remained settling C. remaining to be settled D. remained to be settled ...

7. To our surprise, she turned up at the meeting disguised as a ghost. A. 错误 B. 正确 ...

2. By reading the instructions carefully, so that mistakes on the examination can be avoided. A. 错误 B. 正确 ...