旋转钻井可分为（）。
A.连续管钻井
B.转盘钻井
C.井下动力钻具钻井
D.顶部驱动钻井
E.欠平衡钻井
参考答案：B, C, D
Mary is the only one of the teachers who_____a little Chinese because she is one of my friends who____been to China
A．knows have
B．knows have
C．know to
D．know has
王某，出生后1天即出现全身及面目、皮肤发黄，黄色鲜明如橘皮色，烦躁不安，不欲吮乳，小便短黄，舌红，苔黄。首选方是（）
A.茵陈蒿汤
B.茵陈蒿汤合犀角散
C.茵陈理中汤
D.血府逐瘀汤
E.参附龙牡汤
