大肠经郄穴为（）。 A．郄门 B．阴郄 C．会宗 D．温溜 E．水泉

I don't know if he ____. But if he ____ tomorrow, I'll tell you. [ ]

A. will come; will come

B. will come; comes

C. comes; comes

D. comes; will come

----What’s _______number of school in the city?

-----I’m not sure ,but I know there must be _______ number of schools in it.

A．a;the

B．a;a

C．the ;the

D．the;a

装配的三个要素是什么？

《煤矿安全规程》规定，掘进机外喷雾的压力不小于（）。

A、5MPa

B、1.5MPa

C、3MPa

D、2MPa