八脉交会穴中通于督脉的腧穴是( )
A．后溪
B．足临泣
C．外关
D．申脉
E．照海
参考答案：A
—I’m very sorry, Allen. I can't find your favorite CD.
— _____, Torn. I'll go and buy another one.
A. It doesn't matter B. Don't say that
C. Sure D. You are kidding
《煤矿防治水规定》中探放断裂构造水和岩溶水等时，底板方向的钻孔不得少于几个？
