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Motor vehicles powered by the internal combustion engines are responsible for over 80 ..
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I’m（) with the window open.A、sleepB、sleptC、used to sleepD、used to sleeping..
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除夕之夜，家人们会团聚在一起吃年夜饭。（family reunion .....
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甲亢病人的特殊检查不包括A．基础代谢率测定B．甲状腺摄131I.....
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气雾剂需做的检查项目是A.融变时限B.释放度C.溶化性D.不溶性.....
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Because ________ bad weather we had to have our physical education class in the classr..
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