"生痰之源"指的是( )
A.肺
B.肝
C.脾
D.肾
E.心
参考答案:C
请在方框内画出上图所示的实物电路的电路图。
I think you’d better your bad habits before you marry.
A.get on with
B.get rid of
C.get back at
D.get in with