B. As a result of these discoveries, some doctors in the United States now hold laughter clinics in which they help to improve their patients' condition by encouraging them to laugh.

C. The reason why laughter can reduce pain seems to be that it helps to produce a kind of chemicals in the brain which diminish both stress and pain.

D. It increases blood pressure, the heart heating and breathing; it also works several groups of muscles in the face, the stomach and even the feet.

E. Although laughter" helps cure the disease, doctors still can not put this theory into clinic practice.

F. Laughter is the best medicine.

G. They have found that laughter really can improve people's health.

第二部分：英语知识运用

第一节  完形填空(20小题;每小题 1.5分，满分 30分)

阅读下面短文,掌握其大意,然后从各题所给的A、B、C、D四个选项中，选出最佳选项。

One night, when l was eight, my mother gently asked me a question I would never forget. "Sweetie, my company wants to    21   me but needs me to work in Brazil. This is like your teacher telling you that you've done  22   and allowing you to skip a grade (跳级), but you'll have to   23   your friends. Would you say yes to your teacher?" She gave me a hug and asked me to think about it. I was puzzled. The question kept me   24   for the rest of the night. I had said "yes" but for the first time, I realized the      25

decisions adults had to make.

For almost four years, my mother would call us from Brazil every day. Every evening I'd   26    wait for the phone to ring and then tell her every detail of my day. A

phone call, however, could never replace her   27   and it was difficult not to feel lonely at times.

During my fourth-grade Christmas break, we flew to Rio to visit her. Looking at her large   28   apartment, became   29   how lonely my mother must have been in Brazil herself. It was then   30   I started to appreciate the tough choices she had to make on   31   family and work.    32   difficult decisions, she used to tell me, you wouldn't know whether you made the right choice, but you could always make the best out of the situation, with passion and a   33     attitude.

Back home, I  34   myself that what my mother could do, I could, too. If she   35   to live in Rio all by herself, I, too, could learn to be   36    . I learnt how to take care of myself and set high but achievable   37   . My mother is now back with us. But I will never forget what the  38  has really taught me. Sacrifices  39  in the end. The separation between us has proved to be a   40   for me.

21. A. attract       B. promote     C. surprise     D. praise

22. A. little        B. much       C. well        D. wrong

23. A. leave        B. refuse       C. contact      D. forgive

24. A. explaining    B. sleeping     C. wondering   D. regretting

25. A. poor        B. timely       C. final        D. tough

26. A. eagerly      B. politely      C. nervously   D. curiously

27. A. patience     B. presence     C. intelligence   D. influence

28. A. comfortable   B. expensive    C. empty       D. modern

29. A. interested in  B. aware of   C. doubtful about    D. satisfied with

30. A. when        B. where       C. which       D. that

31. A. abandoning  B. balancing   C. comparing  D. mixing

32. A. Depending on  B. Supplied with  C. Faced with  D. Insisting on

33. A. different     B. friendly     C. positive     D. general

34. A. criticized     B. informed    C. warned      D. reminded

35. A. managed     B. offered      C. attempted   D. expected

36. A. grateful      B. energetic    C. independent  D. practical

37. A. examples    B. limits       C. rules        D. goals

38. A. question     B. experience   C. history      D. occasion

39. A. pay off      B. come back   C. run out      D. turn up

40. A. blessing     B. gathering    C. failure       D. pleasure