25 The      that are produced by factories and cars are allowing more     from the sun to reach carth.
A. gases – radiation ( bức xạ)  B. gases - light  C. gas – light  D. gas - radiation
26. Many of the world's largest cities are_  and some are permanently covered by a  .
A. heavily polluted - polluted cloud  B. heavy pollution - polluted cloud
 
C. heavy pollution - cloud of pollution  D. heavily polluted - cloud of pollution
27. Make sure your car runs on unleaded petrol and your home uses sources of  energy.
A. recycling  B. reused  C. renewable ( tái tạo)  D. recyclable
28. Scientists have found holes in the  , particularly over Antarctica.
A. ice caps  B. polar ice  C. ozone layer ( tầng ozon)  D. greenhouse
29.  Greenpeace  is  an  international  group  that  protests  against  anything  which  is  a   to  the environment.
A. threat (n/ mối đe dọa )  B. threaten  C. threatening  D. threatener
30. If government don't  global warming, more natural disasters will occur.
A. achieve  B. promote  C. discourage  D. prevent ( ngăn chặn) 
31. There's has been a steady rise in the average temperature around the planet over the last hundred years or so, and the majority of scientists put it  to human activity.
A. down  B. back  C. up  D. across
32.  However,   some  scientists   argue  that  the  historical   evidence   shows  that  over  time  the  Earth heats  and cools  naturally.
A. up - away  B. away - down  C. up-down  D. down - up
33. It is predicted that over the next few decades many species will die  as once fertile areas turn to desert.
A. off  B. out  С. up  D. down
34. Most of the air pollution results  the burning of fossil fuels, motor vehicles, factories, aircraft and rockets.
A. in  ( result in: kết quả ) B. to  C. on  D. from
35. Environmental pollution is becoming an  serious problem that needs to be taken care of as soon as possible.
A. increasingly B. increasing  C. increase  D. increased

25. A

26. A

27. A

28. B

29. A

30. D

31. D

32. C

33. D

34. A

35. B