测井电缆的有效电阻基本上随（）的增大而增大。
A.交流电频率
B.交流电相位
C.电流强度
D.电压幅度
参考答案：A
常见的泥沙冲积物有（）。
A、边滩、冲积堆
B、沙包
C、石渠、石嘴、孤石、石槛等石岩冲积物
D、A、B、C都对
—What do you think of our plan?
—I think it's reasonable. But _____ Bob, what we did is a waste of time. [ ]
A. thanks to
B. instead of
C. according to
D. because of
