— Tommy, do you know if Frank ______ to the zoo this Sunday if it _______?— Sorry, I have no idea.
A:will go; is fine
B:goes; is fine
C:will go; is going to be fine
D:goes; will be fine
AB和CD是完全相同的两条带有绝缘皮的导线,它们并行地埋设在相距2km的甲、乙两地之间.由于两导线之间某处的绝缘外皮受到损伤,而发生了漏电现象(即相当于两根导线之间在漏电处连接了一个电阻.为了确定漏电处的位置,维修人员做了以下测量:
下列运算正确的( )