sp;  Much concern has been expressed about tropical deforestation, and some concrete steps have been taken. The development of agroforestry (planting crops with trees, rather than cutting down the trees and replacing them with crops) is being fostered in many areas. In Brazil, which has by far the largest expanse of rainforest, some 46,000 square miles of reserves have been set aside, and Brazilian law requires that any development in the Amazon region leave half of the land in its natural state. In 1985 a comprehensive world plan, sponsored by the World Bank, the World Resources Institute, and the United Nations Development Programme, was introduced. It proposes concrete, country-by-country strategies to combat tropical deforestation. It is an $8 billion, fiveyear project, dealing with everything concerning the protection of rainforests.
Meanwhile, the sounds of the axe and the chain-saw and the bulldozer continue to be heard throughout the tropical forest lands.
Reading Comprehension
1. In the past, rainforests were nearly left intact because                  
［A］ people then had a better sense of environmental protection
［B］ people then knew better how to protect them
［C］ people then looked at rainforests in some awe
 ［D］ people then did not know how to exploit them
2. Which of the following is NOT mentioned as a result of deforestation?
［A］ Loss of species diversity.
［B］ Increased poverty for the concerned countries. 
［C］ Increased atmospheric pollution.
［D］ Loss of culture diversity.
3. It can be inferred from the passage that forest destruction mainly results from                  .

［A］ people’s desire to meet their economic needs

  ［B］ people’s ignorance of the importance of forests to biotic species

［C］ people’s need to burn fuel to warm their homes

［D］ people’s desire to open up more farmland

4. People’s attempt to clear the forest to open up new lands often has the result of                .

［A］ leaving even more people homeless

［B］ expanding settlement but destroying  the land

［C］ finding more land for landless people to cultivate

［D］ renewing the forest at a slower pace

5. The tone of the authors conclusion seems to be                    .

［A］ optimistic             ［B］ objective         

［C］ concerned             ［D］ tolerant

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