在钻井过程中,地层(),钻井液密度会升高。
A.自然造浆
B.加CMC
C.混油
D.加水
参考答案:A
My headache _____ me.I thought it was going away, but it is getting worse and worse.
A.kills
B.is killing
C.was killing
D.killed
典型的轴突波疾病不包括()
A.糖尿病性神经病
B.脑中风急性发作
C.迟发性尺神经麻痹
D.肌萎缩性侧索硬化
E.进行性神经病性肌萎缩