【简答题】如下图所示电路,用叠加定理,当2V电压源单独作用时,U’=V;1A电流源单独作用时,U”=V。(注意:答案不写单位,就写两个数字,中间空一格)【图片】
【判断题】用叠加定理计算下图所示电路中电压U是否正确 解( 1)6V电压源单独作用电路如图(a) (a) ( 2)3A电流源单独作用电路如图(b) (b) 叠加得
【单选题】听力原文:W: Bob, what happened? You look a mess! M: I feel even worse than I look. I was tiding along the road when a dog began barking at me. I turned to have a look, and I bumped into another bike. I wa...
A.
He was bitten by the dog.
C.
He was hurt by another bike.
D.
He had a bad fall off his bike.
【简答题】1)严峻天气将从星期一上午开始。 2)The car bumped along the rough road. 3) 我们大量生产车辆。 4)沃尔沃是一家有名的汽车生产商。 5)这家瑞士公司在英国有分部。
【简答题】严峻天气将从星期一上午开始。 The car bumped along the rough road. 沃尔沃是一家有名的汽车生产商。 我们大量生产车辆。 这家瑞典公司在英国有分部。
【单选题】The car bumped (颠簸) along the _____ road.
【简答题】电路如下图,用叠加定理计算电压U= V。【图片】
【判断题】按照“物流成本冰山说”,企业内部消耗的物流费用小于企业向外支付的委托物流费用。