Although improved efficiency in converting harvested trees into wood products may reduce harvest rates, it will stimulate demand by increasing supply and lowering prices, thereby boosting consumption.
A.in converting harvested trees into wood products may reduce harvestrates, it will stimulate demand by increasing supply and lowering prices, thereby boosting
B.in converting harvested trees into wood products may reduce harvestrates, demand will be stimulated because of increasing supply andlowering prices, which boost
C.of converting harvested trees into wood products may reduce harvest rates, it will stimulate demand by increasing supply and lowering prices,which boosts
D.of harvested trees being converted into wood products may reduceharvest rates, it will stimulate demand, because it will increase supplyand lower prices, thereby boosting
E.when harvested trees are converted into wood products may reduce harvest rates, demand will be stimulated because of increasing supplyand lowering prices, which boost
答案是B
我排除到还剩A B 的时候 就疑惑了
答案给的是B 所以我推断出A 应该错在it上 可是又不觉得it 指代不清
还有 再说 A中的 主动是不是可以理解成优于B中的被动呢.........
请赐教~~~~~~~~~ | 
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发表于 2010-2-11 22:48:15
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