倍数只能用来表示数目的增加，不能表示数目的减少。
参考答案：对
— Hello! May I speak to Henry, please?
— Sorry, he isn't here at the moment. __________________?[ ]
A. Can I take a message
B. You have the wrong number
C. I will call you back.
风寒砂适用于治疗（）。
A.急性筋伤
B.陈伤隐痛
C.风湿痹痛
D.关节红肿
E.局部热痛
