47. A. to collect                   B. collect               C. collecting                 D. to be collected

46. A. can’t                       B. shouldn’t           C. mustn’t                    D. needn’t

45. A. Instead                      B. But                   C. However                  D. So

44. A. put                                   B. take                  C. throw                       D. fly

43. A. want                          B. need                 C. allow                       D. require

42. A. cleaning                     B. cycling              C. recycling                  D. reproducing

41. A. for                                   B. as                     C. to                                   D. by

40. Which of the following is not used for giving advice?

A. You had better not watch a horror film since you get scared easily.

B. You mustn’t give your goldfish too much food.

C. The swimming pool isn’t open today. I don’t know where to go swimming.

D. Perhaps you should buy some souvenirs for your parents.

Switzerland is one of the more developed countries in Europe . It is well known ___41___ one of the cleanest countries in the world. The Swiss think that ____42____ is very important . The government has made laws which ___43___ everyone to recycle( 循环再利用). In 1998, the Swiss government passed a law which said that people could not ____44_____ away any electronic machines. _____45____, people were told to bring old ones, such as televisions, computers and fridges , to special centers when they didn’t need them. Many parts of the old machines are used again, and the parts that _____46_____ be used are thrown away. The government also charges a rubbish bag tax(税收). If people want their rubbish _____47_____, they must buy yellow stickers and put them _____48____their rubbish bags. In 2003, 47% of all rubbish in the cities was recycled. This ____49______ 70% of paper, 95%of glass, 71%of plastic bottles and 85-90%of cans. Until recently, people could get a small amount of money when they recycled their bottles. Recycling has become a ___50___ habit for the Swiss. Many countries should learn from the ___51_____. However, recycling in Switzerland is not without problems. In 2002 , street workers in Bern stopped collecting rubbish for 24 hours _____52____they thought that people were not as careful about recycling their rubbish as they should be. People were ___53_____ that so much rubbish was lying in the streets, and visitors ____54_____ Bern were disappointed to find the city was not as clean as they thought. The street workers hoped that people from Bern would learn that____55___ everyone’s responsibility to keep the city clean.

39.---__________?  ----Quite well, thank you .

A. What do you do                             B. What do you think of the film

C. How are you getting on with classmates        D. Are you good at maths

38.How terrible the accident was! The man was hit _______and ________.

A. by car, bled death                        B. by a car , bled to death

C. by car, bled to death                      D. by a car, bled to die