Could the Internet be totally free and should it be? Should the Internet be regulated? The recent disorder in the Arab world   36   by a disputed(有争议的) video damaging the image of Prophet(先知) Muhammad shows the United States, which is busy   37   global Internet freedom, has paid a huge price  38  the lives of its diplomats.

In an unregulated internet world, cheating, violence or rumors can  39   serious consequences. Many countries across the world are periodically suffering from “rumors”  40  by the Internet and social media.

The US-led West always promotes Internet freedom and   41   any regulation as investigation, but it should think twice if it calculates the heavy price that has been and has to be paid for “  42   Internet”. Moreover,   43   the Internet in the West   44   to be free, with no obvious   45   and no limited sites, isn’t the structure of the main pages already hand-controlled, with selected press agencies and   46   occupying clearly dominating（显著的）positions?

The Internet has helped fight injustice,   47   corruption in places so far apart as Indonesia, India and Latin America. But the Internet could be extremely   48   as well. Various racist or separatist organizations are using their Internet sites to   49   strong feelings. Those who are spreading hate are frequently using the Internet as their tool. No country can   50   to make the Internet absolutely free.

The question is how to keep free flow of information   51   while protecting children from unhealthy works, common citizens from   52   rumors and countries from unfair and damaging propaganda(宣传) attacks. And who sets the limits ?

The   53   is that there will never be a perfect system. Every country will have to   54  its own system, based on its culture, social   55   and the degree of danger it’s facing.

36. A. led                B. caused          C. damaged        D. attacked

37. A. helping             B. processing       C. promoting       D. improving

38. A. for               B. at              C. with            D. off

39. A. bring              B. reach           C. fetch           D. take

40. A. spread             B. exposed         C. delivered        D. passed

41. A. supports          B. follows         C. opposes         D. dislikes

42. A. free              B. accessible       C. available         D. healthy

43. A. as if              B. even if          C. so that         D. in that

44. A. happens          B. intends          C. offers          D. appears

45. A. interruption        B. interference     C. defence         D. preference

46. A. programs         B. substances      C. channels         D. sources

47. A. uncover          B. strike         C. prevent          D. avoid

48. A. beneficial          B. useful          C. sensitive         D. destructive

49. A. increase                 B. decrease      C. upset           D. strengthen

50. A. refuse            B. afford        C. fail             D. attempt

51. A. unpolluted         B. unskilled      C. unoccupied      D. uninterrupted

52. A. evil               B. meaningful      C. untrue          D. effective

53. A. importance      B. conclusion    C. description    D. possibility

54. A. develop          B. invent            C. change          D. study

55. A. trends            B. structures       C. surroundings   D. factors

— Last night I left my bag in my car with the windows unlocked.

— You are so careless! I mean, someone ________ it.

A. might have stolen　　　　　　　　　 B. will have stolen

C. should have stolen　　　　　　　　　 D. must have stolen

 Niamh________ in the auto company for ten years, but now she is working in the Internet company.

A. have been working  B. worked       C. have worked   D. works

— Shirley, I find the action movie kind of boring. And there are so many people here.

— ________, Fiona. It will be worth the wait.

A. Just trust me　 　　　　　　B. That depends　

C. Don’t mention it　　　　　 D. That’s all right

 At the beginning all the students kept together but by the end of the day those who were less fit ________ behind.

A. have fallen      B. fell            C. had fallen    D. were falling

 — China is reported ________ its first aircraft carrier to the People’s Liberation Army Navy.

— Really? How exciting!

A. to deliver      B. to have delivered  C. to be delivered  D. to have been delivered

 ________ the crisis at the Fukushima nuclear plant was not a man-made disaster, it could have been foreseen and prevented.

A. As              B. Unless           C. If                     D. While

 It is apparent that Chinese are influenced by Confucius, especially ________ our daily thoughts and behavior.

A. in terms of  B. in honor of     C. in favor of      D. in praise of

 —The accident hung up the traffic for several hours.

— This kind of thing ________ happen every now and then.

A. must          B. should           C. can                D. will

 We are not interested in ________ you will agree with us about who will win in the Voice of China.

A. that             B. what             C. which            D. whether