4. Dolly is able to breed like the normal sheep. A. 错误 B. 正确 ...

9. What are friends for? A. They can provide help whenever it is needed. B. They can make you feel warm when you feel cold. C. They offer comfort when you are injured by others. D. They will always be there to support you whatever you ...

4. Recent studies have shown that air inside many homes, office buildings, and schools is full of pollutants such as (). A. chemicals B. smoke C. bacteria D. perfume ...

19. After I heard that I took a deferred pass in chemistry, I was in a () emotional state. A. highly B. doubtfully C. greatly D. nervously ...

14. You had better keep the medicine () is inaccessible to children. A. that B. where C. where it D. in which ...

9. The partnership with the American company is of great () importance to our corporation. A. strategic B. operative C. decisive D. manipulative ...

4. When our university laboratory bought this microscope we were given a one year’s (). A. reservation B. security C. proof D. guarantee ...

9. In what ways did the group members discuss their ideas and opinions with one another? A. proudly and with emphasis B. strongly and forcefully C. in a loud or a soft voice D. grinning or smiling—or not ...

8. The custom of trick-or-treating in costumes comes from the days of the Celts. A. 错误 B. 正确 ...

3. Fear is a positive motive for buying a product. A. 错误 B. 正确 ...