对于容量较大的线路,刀开关须与有切断短路电流能力的其他开关( )使用。A.并联 B 发布时间:2017-05-20 01:40 │ 来源:www.tikuol.com 题型:单项选择题 问题: 对于容量较大的线路,刀开关须与有切断短路电流能力的其他开关( )使用。A.并联B.连接C.串联D.断开
题型:单项选择题 --- We are too busy to take _______ holiday at present. --- But I think we’ll be able to take _______ two weeks away.A.the; thatB.a; oneC.a; itD.the; one 查看答案
题型:单项选择题 —__________. —You’re welcome.[ ]A. I’m sorry I’m late B. Excuse me C. Thanks a lot D. Can you help me 查看答案