I hear Jim is going to ______ at the meeting. Do you know what he is going to ______?[ ]

A. say, talk

B. say, speak

C. speak, say

D. talk, tell

在如图所示的电路中，电压表所用的量程不明，当开关S闭合后，电压表V₁和V₂的指针位置分别如图所示，则电压表V₁所用的量程是         V，小灯泡L₂两端的电压为          V，小灯泡L₁两端的电压为             V。