岩石的水理性质指标有哪些？
参考答案：
透水性（渗透系数）、可溶性（溶解度、相对容解速度）、软化性（软化系数）、崩解性。
—_______is the best football player in your city?
—Jerry.
A．Do you think who
B．Do you think whom
C．Who do you think
D．Whom do you think
原子中半径最小的壳层是
A．K层B．L层C．M层D．N层E．O层
