下列选项中，能解表消疮的药物是( )
A．防风B．细辛C．荆芥D．羌活
参考答案：C
—How much orange juice is there in the fridge? — ________. [ ]
A. No
B. No one.
C. None
D. Nothing.
用机械式万用表测量电阻时，应该如何操作？
