从低压电力线路到用户室外第一支持物的一段线路为()。
A、进户线
B、接户线
C、引下线
D、架空线
参考答案:B
----What did he want to know,Anne?
-----_______I could finish writing the report.
A.When was it
B.It was when that
C.It was when
D.When it was that
仪表显示当前车速是20公里/小时。