5. They use television advertising as a ________ for stimulating demand; apparently they have succeeded as the sales revenue has increased dramatically. A. device B. path C. symbol D. name ...

10. They liked to do one thing at one time and something else at another time or at another way. A. 错误 B. 正确 ...

5. This plant needs watering twice a week. A. 错误 B. 正确 ...

20. To be a good nurse, one has to be patient, careful, responsible and _________. A. sociable B. generous C. industrious D. ambitious ...

15. She ________ the joy of writing children's stories and finally decided to devote herself to it. A. invented B. discovered C. founded D. revealed ...

10. One day while Mr. King was working, he had a/an ________ and his left leg was badly injured. A. business B. accident C. matter D. event ...

4. I like the teacher _______ classes are very interesting and creative. A. which B. who C. what D. whose ...

9. The relationship consists of a general pattern of human interference and its corresponding environmental modification. A. 错误 B. 正确 ...

4. If you wish to remain healthy, you should drink several glasses of the water every day. A. 错误 B. 正确 ...

19. The bridge was named _______ the hero who gave his life for the cause of the people. A. after B. for C. because of D. before ...