题目内容：

阅读下面的短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。

In our modern world, when something wears out, we throw it away and buy a new one. The 1. is that countries around the world have growing mountains of 2. because people are throwing out more rubbish than ever before.

How did we 3. a throwaway society? First of all, it is now easier to 4. an object than to spend time and money to repair it. 5._ modern manufacturing (制造业) and technology, companies are able to produce products quickly and inexpensively. Products are plentiful and 6._.

Another cause is our 7. of disposable (一次性的) products. As 8.   people, we are always looking for 9. to save time and make our lives easier. Companies 10. thousands of different kinds of disposable products: paper plates, plastic cups, and cameras, to name a few.

Our appetite for new products also 11. to the problem. We are 12.   buying new things. Advertisements persuade us that 13. is better and that we will be happier with the latest products. The result is that we 14. useful possessions to make room for new ones.

All around the world, we can see the 15. of this throwaway lifestyle. Mountains of rubbish just keep getting bigger. To 16. the amount of rubbish and to protect the 17., more governments are requiring people to recycle materials. 18., this is not enough to solve our problem.

Maybe there is another way out. We need to repair our possessions 19. throwing them away. We also need to rethink our attitudes about 20.. Repairing our possessions and changing our spending habits may be the best way to reduce the amount of rubbish and take care of our environment.

21.A. key   B. reason   C. project   D. problem

22.A. gifts   B. rubbish  C. debt   D. products

23.A. face   B. become  C. observe  D. change

24.A. hide   B. control   C. replace  D. withdraw

25.A. Thanks to    B. As to   C. Except for   D. Regardless of

26.A. safe   B. funny   C. cheap   D. powerful

27.A. love   B. lack   C. prevention   D. division

28.A. sensitive     B. kind   C. brave   D. busy

29.A. ways  B. places   C. jobs   D. friends

30.A. donate  B. receive  C. produce  D. preserve

31.A. adapts   B. returns   C. responds  D. contributes

32.A. tired of      B. addicted to  C. worried about D. ashamed for

33.A. newer   B. stronger  C. higher   D. larger

34.A. pick up    B. pay for  C. hold onto  D. throw away

35.A. advantages  B. purposes  C. functions  D. consequences

36.A. show   B. record   C. decrease  D. measure

37.A. technology  B. environment C. consumers  D. brands

38.A. However    B. Otherwise  C. Therefore  D. Meanwhile

39.A. by    B. in favour of  C. after   D. instead of

40.A. spending  B. collecting  C. repairing  D. advertising