2. 外语
  3. If more short journeys were made by bicycles, energy could be saved and pollution______.

If more short journeys were made by bicycles, energy could be saved and pollution______.

admin2016-01-30  48
问题 If more short journeys were made by bicycles, energy could be saved and pollution______.
选项 A、declined
B、reduced
C、dropped
D、decreased
答案D
解析 近义词辨析。分析句子结构，空格应填入与short意思相近的动词。再根据句意，pollution只能是减少。decline(数目、价格、比率)下降；谢绝，婉占推辞；衰退，衰落；reduce指人为地使某物在数量或重量方面的减少或降低；drop下降，降低；decrease指数量上的减少；力量或者强度的减弱。故答案为D。
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