钻井液属于气田水。
参考答案：错
治疗寒积便秘，应选用的药物是（）。
A.甘遂
B.大黄
C.芒硝
D.巴豆
E.牵牛子
He is in good _______. He’s pretty ________.
A．health, health
B．healthy, healthy
C．health, healthy
D．healthy, health
