题目内容

What account for our increasing desire for forest?

A. Their unique scenic beauty.
B. Their use as fruit plantation.
C. Their capability of improving air quality.
D. Their stable supply of building materials.

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What does the author conclude about the prospects of forestation?

A. Deserts in sub-Saharan Africa will diminish gradually.
B. It will play a more and more important role in people’s lives.
C. Forest destruction in the developing world will quickly slow down.
Developed and developing countries are moving in opposite direction.

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