处理溢流时防止钻具粘附卡钻的主要措施是尽可能地减少地层流体进入井筒。()
参考答案:对
Her sister suggested _______ to the Great Wall. [ ]
A. go
B. going
C. to go
D. went
生物体进行一切生命活动的基础是 [ ]
A.生殖和发育
B.新陈代谢
C.遗传和变异
D.应激性