痴呆与何脏腑功能失调关系密切()
A.心
B.肝
C.脾
D.肺
E.肾
参考答案:A, B, C, E
正确使用设备的基本含义是什么?
You can safely step in the bight of a line().
A.when it is not under strain
B.if both ends are made fast
C.in an emergency
D.at no time