当负荷率超过()并通过计算不利于经济运行时,可放大一级容量选择变压器。
A.110%
B.100%
C.90%
D.80%
参考答案:D
—What should we pay more attention to if we go north in winter, Mum?
—Nothing much. Take warm clothes________ the weather is cold.
A.as long as
B.now that
C.if
D.in case
《实施卫生与植物卫生措施协议》是在()达成的一个新协议。
A、肯尼迪回合
B、乌拉圭回合
C、东京回合
D、狄龙回合