由于岩石对某种流体的有效渗透率总是小于其绝对渗透率,所以相对渗透率的变化在()之间。
A.0~100
B.0~0.1
C.0~10
D.0~1
参考答案:D
It is true that knowledge _____ rather than being taught. [ ]
A. learns
B. learned
C. is learned
D. was learned
酊剂的制备方法包括()
A.渗漉法
B.冷浸法
C.热浸法
D.溶解法
E.稀释法