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 ______.

admin2008-10-11  95
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 decline衰退，下降；reduce减少，降低(程度)；drop下降，降低；de-crease减少，减弱，减轻。
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