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最佳答案：不对.what I have done is minor matter.前者表示参加 后者表示参加并在其中起到一定作用 自己酌情看吧.我觉得应该是后者.
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最佳答案：We always think that if we compromise a little,give in a little and tolerant a l
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最佳答案：摩托车尾气中的二氧化碳的排放量比汽车低百分之三十八The esmissions of the carbon dioxide in the motorcycle
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最佳答案：Emissions of carbon dioxide from motorcycles are 38% less than the emissions pro
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最佳答案：3，When the smoke hit, with wet towels or clothes to cover your mouth and nose to