可伸拇指的肌是（）
A.旋后肌
B.拇长展肌
C.拇短伸肌
D.拇长伸肌
E.示指固有伸肌
参考答案：D
I am going to Qingdao and stay there for a week. _____ you are there, would you please
buy some books for me? [ ]
A. If
B. While
C. Since
D. As soon as
选择零件修复方法的主要依据是（）。
A.修复层的机械性能
B.本单位的具体条件
C.修复层的机械性能以及本单位的具体条件
D.工作习惯
