通常设计给定的尺寸我们叫（）。
A.基本尺寸
B.实际尺寸
C.极限尺寸
D.其它
参考答案：A
Excuse me, but could you tell me _______?
A．what is your name
B．how I can call this young lady
C．what is the matter with you
D．how long the dog has died
在分子结构中含有结晶水的药物是( )
A．环磷酰胺
B．卡莫氟
C．巯嘌呤
D．塞替派
E．盐酸氮芥
