题目

In the critical times, anyone would be ________ by such disturbing news ________ he told. A . broken down; as B . cast down; as C . paid off; that D . carried away; that 答案：B如图所示是某同学在测电路中的电压，据右图电压表的读数，试分别指出在这个电路中，总电压是     ，L1两端的电压是     ,L2两端的电压是      。