脑膜刺激征的临床表现为()
A.共济失调
B.双侧Babinski征(+)
C.颈强直,Kernig征(+)
D.抽搐
E.眩晕和呕吐
参考答案:C
Although the wind has________,the rain remains steady,so you still need a raincoat.[ ]
A.turned up
B.gone back
C.died down
D.blown out
钻井液中的粘土高度水化分散成小颗粒后会导致()。
A、粘度降低
B、静切力降低
C、流动性变好
D、钻速降低