Production of bottled water has grown over the past thirty years from nothing into a $16 billion-per-year business.  1 , more and more people have been against bottled water use, and environmentalists are  2  people to go back to the tap (水龙头).

The first reason why you should seriously think about  3  bottled water, they say, is that it’s bad for the  4 . Producing plastic bottles  5  vast quantities of oil.  6 , factories create poisonous waste and send it into the environment. What is more, the vast majority of plastic water bottles aren’t  7 . In almost every part of the world, unwanted water bottles take up landfills (垃圾填埋地) and send  8  gases into air and water when they are burned. In other words, bottled water is a major  9   to  global warming.

Secondly, the  10  of bottled water requires a lot of fuel. In the USA alone, one billion bottles of water are moved around each week in trucks,  11  polluting gases and wearing down the roads. In fact, some high-priced water is  12  from one side of the planet to the other.

Finally, bottled water isn’t even better for your  13 . Tap water rules in many countries are far  14  than those for bottled water. Furthermore, tap water  15  fluoride, which is added to help build  16  teeth and prevent tooth decay (龋齿). Consequently, as the use of bottled water has  17 , tooth decay has become more serious.

To sum up, by stopping the use of  18  water, and encouraging others to  19  so, you will be doing the planet an enormous favour and  20  your own health as well.

1.  A. Besides                      B. Moreover          C. However              D. Therefore

2.  A. allowing                     B. training       C. urging                  D. commanding

3.  A. giving up                    B. turning to     C. preparing for          D. believing in

4.  A. business                   B. industry       C. price                      D. environment

5.  A. creates                       B. attracts        C. requires           D. shares

6.  A. By all means              B. In the wild     C. On the contrary      D. As a result

7.  A. sold                   B. recycled             C. found            D. limited

8.  A. harmless                 B. dangerous       C. natural            D. clean

9.  A. presenter           B. instructor         C. contributor         D. official

10. A. category                 B. design          C. competition      D. delivery

11. A. absorbing          B. preventing       C. giving off          D. turning off

12. A. shipped                 B. wasted         C. developed             D. collected

13. A. safety                    B. future          C. health                 D. country

14. A. older               B. fewer          C. stricter            D. simpler

15. A. declines            B. avoids         C. produces           D. contains

16. A. big                  B. strong         C. white              D. straight

17. A. dropped            B. changed        C. increased        D. disappeared

18. A. polluted             B. cold            C. bottled            D. boiled

19. A. do                   B. talk           C. report            D. donate

20. A. damaging              B. benefiting      C. challenging       D. respecting

21. This dictionary is available in          (电子的) form.

22. The database u         when new information is entered.

23. We are friends and          (同事) for more than 30 years.

24. Passengers should leave the airplane by the nearest emergency e      .

25. It’s too early to predict the          (结果) of the meeting.

26. We have c          with each other for years but I have never actually met him.

27.            (探测) of the solar system began in the 19^th century.

28. Because he had a terrible cold, he couldn’t stop s         .

29. Where unemployment and crime are high, it can be assumed that the l      results from the former.

30. We have been having some          (技术上) problems with the new software.

31. Johnson faces the d         of whether to study hard or not.

32. There are many games that can be           (下载) free from the Internet

33. A good toolbox is a h         thing to have in the house.

34. It’s time we banned         (歧视) on the grounds of age.

35. A qualified i         will show you how to use the equipment.

36. The human eye is the important sense o         .

37. Last week the gentleman d       &10,000 to the school.

40. The couple have offered me a room until I can find something more        (长久的).