使用兆欧表前不必切断被测设备的电源。
参考答案:错
人体清阳的升降规律是()
A.出上窍
B.实四肢
C.发腠理
D.走五脏
E.归六府
— What do you like to do after school, Simon?
— I like playing ______football with my father.
A.a
B.an
C.the
D.不填