42. Sunglasses are used for _____(keep)out the sun.

﹡43. The students are ______(confuse)about the ______(confuse)problem.

41. Here are some things they have learned from ______(scientist)studies.

It’s very difficult to find a public place without advertisement now. We can __16__ them in the newspaper, on TV, and hear them over the radio. Even __17__ we watch a ball game, ads will meet our eyes.

It’s true that in the activities of business ads are __18__ a more and more important part. They tell people about new products and help more in __19__. In this way, ads help companies to make their business better. This is a big advantage.

__20 _, ads also bring people all kinds of disadvantages. For example, some of the businessmen are even so dishonest that they don’t 　21　 　the truth about their products, in hopes that they will win a big 　22　 　for their products. When you are watching an interesting TV play, it is suddenly __23__ by some ads and they are appearing on the screen. Therefore, people may get tired of ads. Also some ads __24__ at children, and they ask their parents to buy them something in the ads. From these points, ads __25__ have some disadvantages.

16. A. watch　　　　　 B. feel　　　　　 C. see　　　　　 D. read

17. A. so　　　　　　 B. when　　　　 C. if　　　　　　 D. when

18. A. making　　　　 B. playing　　　 C. getting　　　　 D. doing

19. A. sellers　　　　 B. sales　　　　 C. studies　　　　 D. works

20. A. And　　　　　 B. Also　　　　　 C. Anyway　　　 D. However　　

21. A. say　　　　　　 B. tell　　　　　 C. speak　　　　 D. talk

22. A. shop　　　　　 B. place　　　　 C. production　　 D. market　　

23. A. continued　　　 B. stopped　　　 C. attacked　　　 D. performed

24. A. aim　　　　　　 B. fit　　　　　 C. prefer　　　　 D. like

25. A. hardly　　　　　 B. badly　　　　 C. really　　　　　 D. nearly

15. Some ads can be 　　　　　or 　　　　　.You have to be careful.

　 A. confuse; mislead　 B. confused; misled　

C. confusing; mislead　 D. confusing; misleading

14. There is something wrong with my watch, so it doesn’t 　　　　　well.

　 A. go　　 B. walk　　 C. work　　 D. turn

11. 　　　　　your answers 　　　　　those in the answer book to see if they are right.

　 A. Compare; to　　 B. Compare; with　　 C. Compare; in　　 D. Compare; for

﹡12. Please speak a little louder 　　　　　we can hear clearly.

　 A. so as　　 B. in order to　 C. so and　　 D. so that

﹡13. 　　　　　the new sunglasses 　　　　　Lisa look mysterious.

　 A. Wear; make　　 B. Wearing; makes　　 C. Wears; makes　　 D. Wearing; make

9. Take this umbrella. It can 　　　　　the rain.

　 A. keep　　 B. keep out　　 C. protect　　 D. go away

﹡10. Knowing how to learn is 　　　　　more important than how much to learn.

　 A. even　　 B. less　　 C. a few　　 D. a bit of

8. -Dinner’s ready.

-OK. Why not turn on the radio? I like to listen to soft music 　　　　　eating.

　 A. after　　 B. before　　 C. while 　　D. as soon as

6. I’m greatly 　　　　　about what you have said. Could you explain that to me clearly?

　 A. moved　　 B. misled　　 C. confused　　 D. pleased

﹡7. It’s impolite of you to keep Mr. King 　　　　　there so long.

　 A. wait　　 B. waiting　　 C. to wait　　 D. to wait for