You may go to karaoke or disco clubs with your friends during the summer holidays. But be careful. In these 　31　 　places you may see people selling small, colourful pills. Make sure you do not try them.

The seller 　32　 　say they are safe and can help you enjoy yourself or 　33　 　from sadness. They may even offer you a free 　34　 , and tell you that everybody is using 　35　 .

But you must be alert (警惕) to the 　36　 　that these drugs could destroy your life.

When you put them into your body, often 　37　 　swallowing, breathing in or injecting (注射), drugs find their way into your brain.

Drugs may either speed up 　38　 　slow down your senses. Their effects are different depending on body size, shape, and chemistry.　 39　 　it can make you feel good at first, a drug can do a lot of 　40　 　to your body and brain.

One of the most popular drugs in nightclubs is the so-called head-shaking or ecstasy pill. The drug hits users with a fast high(情绪高涨), 　41　 　them feel powerful and full of 　42　 . Heart rate, breathing and blood pressure 　43　 　- risking damage to your nervous system (神经系统).

Marijuana (大麻) is a 　44　 　used illegal drug. It is called the gateway drug, because using it sometimes 　45　 　harder drugs. It is mostly smoked in a cigarette.

There is 　46　 　risk related to taking drugs that must be 　47　 . Sharing a needle (针头) to inject a drug puts a user at a very 　48　 　risk of being affected with HIV.

Drugs may appear in many different 　49　 , some with cool names, but taking them could 　50　 　your health forever.

31. A. boring　　　　　 B. exciting　　　　　　 C. noisy　　　　 　　　 D. surprising

32. A. may　　　　　　 B. must　　　　　 　　 C. should　　　　 　　　 D. can

33. A. keep　　　　　　 B. stay　　　　　　　　　 C. escape　　　　　　　 　　　 D. stop

34. A. drink　　　　　 B. try　　　　　　　　　　 C. cigarette　　 　　　 D. taste

35. A. it　　　　　 　　 B. him　　　　　　　　　 C. her　　　　　　　　　 D. them

36. A. fact　　　　　　 B. problem　　　　　　 C. trouble　　　　　　　 　　　 D. reality

37. A. with　　　　　　 B. for　　　　　　　　　　 C. by　　　　　　　　　　 D. in

38. A. and　　　　　　　 B. so　　　　　　　　　　 C. but　　　　　　　　　 D. or

39. A. Although　　　 B. Because　　　　　　 C. If　　　　　　　　　　 　　　 D. Despite

40. A. hurt　　　　　　 B. injury　　　　 　　 C. damage　　　　　　 D. harm

41. A. driving　　　　 B. having　　　　 　　　 C. making　　　 　　 D. keeping

42. A. food　　　　　　 B. energy　　　　 　　　 C. hope　　　　　 　　 D. interest

43. A. develop　　　　 B. grow　　　　　 　　　 C. rise　　　　　　　　　 D. increase

44. A. deeply　　　　　 B. widely　　　　 　　　 C. strongly　　　　　　 D. highly

45. A. prevents　　　 B. causes　　　　 　　　 C. leads to　　　　　　 D. aims at

46. A. the other　　　 B. other　　　　　 　　　 C. others　　　　 　　　 D. another

47. A. avoided 　　　 B. taken　　　　　 　　　 C. missed　　　　　　　 　　　 D. interrupted

48. A. big　　　　　　　 　　　 B. high　　　　　 　　　 C. large　　　　　 　　　 D. wide

49. A. tastes　　　　　 B. smells　　　　 　　　 C. colours　　　　　　 D. forms

50. A. kill　　　　 B. break　　　　 　　　 C. endanger　　　　　 D. ruin

30.The reason _______ he changed so much was ________ he had to work hard to pay back the money his father borrowed.

A. for; that　　　 B. why; that　　　 C. why; because　　　 D. for; because

29. Betty and Louis _______ with each other at first sight and they ________ in love for five years ever since.

A.　 fell in love; have been　　　　　　　　 B. fell in love; have fallen

C.　 were in love; have been　　　　　　　 D. were in love; have fallen

28. At the age of eight, he ___ a group of child dancers.

A. joined in　　　　　　　　　 B. attended　　　　　　　　　　　　　 C. took part in　　　　　　　 D. joined

27. Let Harry play with your toys as well, Clare-you must learn to ___.

A. support　　　　　　　　　　 B. care　　　　　　　　　　　　 C. spare　　　　　　　　　　　 D. share

26. In England Englishmen speak English, in_______, _______ speak ________.

A. Germany; Germans; German　　　　 B. Germany; Germen; German

C. German; Germen; German　　　　　 　D. German; Germans; Germany

25. The little girl _______ go downstairs alone when her parents are out.

A.　　　 dares not to　　 B. dares not　　 C. dares not to　　 D. dare not　

24. He came here 　　　　to discuss it with you.

A.　　　 on purpose　　 B. by chance　　 C. for purpose　　 D. on design