五、 完形填空  

请认真阅读下面短文，然后从短文后各题所给的A、B、C、D四个选项中，选出一个最佳选项。（共15小题，计15分）

How m any plastic bags do you use every day?     36    there any chance for us to live without them? What can we do to have    37    plastic pollution? A performance in Hangzhou makes people    38   more about the overuse of plastic bags in our lives.

In front of a supermarket in Hang Zhou, five volunteers    39   white plastic bags and walked around and through the crowd. The performance    40    people to use more cloth bags    41    plastic ones.

Some of the plastic bags worn by the performers were collected from customers in two food markets and     42    were collected by 700 students from a middle school.

On that day, when leaving the food markets, customers were told to hand over     43    plastic shopping bags.   44     plastic bags were collected in two hours.

“If we do    45    about it, the earth will be eaten up by white pollution. And   46    will become ‘plastic men’,” said one of the performers.

“How can you breathe in     47    plastic bags?” A     48     woman asked one performer. “How can the earth breathe      49     there are too many plastic bags?” the performer answered.

Starting from June in 2008, plastic bags were      50    given for free in supermarkets, shopping malls or food markets all over the country.

People are called on（号召）to use cloth bags when they go shopping.

36. A. Are                 B. Were                       C. Is                    D. Was

37. A. few                 B. much                       C. fewer               D. less

38. A. think               B. thinks                      C. to think           D. thinking

39. A. worn               B. wore                        C. tried on           D. try on 

40. A. called back       B. called                       C. called on           D. cheered on

41. A. instead            B. take the place of       C. instead of         D. take place

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

43. A. helpful              B. unnecessary            C. useful              D. necessary

44. A. Hundred           B. Hundreds of             C. Hundred of      D. Hundreds      

45. A. nothing            B. anything                  C. something        D. everything

46. A. human being     B. human beings          C. humen beings   D. humans beings

47. A. so much           B. too much                 C. such many        D. so many

48. A. 40-year-old      B.40-years-old              C. 40 year old       D. 40-years old

49. A. until                 B. because                   C. if                     D. unless

50. A. no longer          B. always                     C. not longer        D. usually