螺杆钻具钻井所用钻井液含砂量不大于()。
A.0.2%
B.0.3%
C.0.5%
D.1%
参考答案:C
常用的口服抗惊厥药不包括()
A.苯巴比妥
B.水合氯醛
C.异戊巴比妥
D.地西泮
E.硫酸镁
In fact,most of us would the consequences of stupid decisions taken by
others.
A.handle
B.solve
C.follow
D.suffer