月经病的治疗应注意: ()
A.重在调经
B.调经当分先病后病
C.急则治标,缓则治本
D.照顾平时与经期不同时间特点
E.以上都是
参考答案:E
— What's the matter with you?
— I had _____ cold and had to stay in _____ bed. [ ]
A. a, a
B. the, the
C. a, /
D. /, a
初级井控(一级井控)是依靠适当的钻井液密度来控制地层压力,使得没有地层流体侵入井内,溢流量为零。