高标准水库安全管理体系是指什么？
参考答案：
工程安全、设施齐全、功能完备、管理高效、环境优美。
—Excuse me, sir. Could you tell me _______?
—At 2:00 p.m. [ ]
A. where the meeting was held
B. when the meeting will begin
C. when did the meeting begin
D. where will the meeting be held
万用表又称（）和复用表。
A、钳形表
B、电阻摇表
C、万能表
D、电度表
