Tropical Rainforests
Tropical rainforests have 26 __________ us with very many sorts of plants for food, 27 __________ and industry. They could probably supply man more. They also reduce 28 __________ and droughts, keep water clean, and slow down the Greenhouse Effect, 29 __________ the tropical forests are 30 __________ destroyed to make 31 __________ for things like farms, ranches, mines and hydroelectric 32 __________. About 20 million hectares are lost each year - an area more than twice the size of Austria. The World Wildlife Fund is working to 33 __________ and save the forests that are 34 __________ danger; to plant new trees for fuel wood and to slow down the Greenhouse Effect; and to 35 __________ governments to think about the forests and their importance when giving international aid.
26. A. given B. brought C. supplied D. donated
27. A. medicine B. hospitals C. doctors D. surgeons
28. A. deserts B. floods C. heat D. hazards
29. A. so B. for C. because D. but
30. A. have B. been C. being D. be
31. A. room B. rooms C. place D. places
32. A. sources B. energy C. dams D. cables
33. A. keep B. protect C. maintain D. hold
34. A. at B. within C. on D. in
35. A. make B. let C. encourage D. influence
