督脉与哪些脏腑关系最密切
A．肺
B．心
C．肝
D．肾
E．脾
参考答案：B,C,D
_____ you have the chance to go to the university in the future, you must take it.
A．Will
B．Would
C．Could
D．Should
电力生产的特点表现在产、供、销、用过程同时进行又同时完成。（）
