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- 1I'd like to join them (划线提问)划线them
- 2请问我家暖风机的输入功率是2000W,额定电压220V,额定功率50Hz.那一个小时的耗电量是多少?
- 3一个悬挂在绳子上的物体,在悬绳保持竖直方向不变时,它受到绳对它的拉力为什么不一定等于它的重力?
- 4They often play_____football after school.(填a,an或/)
- 5额定的电压220v,功率100w的灯泡,现接于110v电源上使用,求实际功率p?
- 6美文摘抄300字+感悟200字(最好是有点名气的)
- 7How do you like the book?改为同义句
- 8Hadden has some of the best medical advice in the country _ his disposal
- 9麻烦详细一些,我就是不懂tan0怎么和动摩擦因数有关了
- 10《卖油翁》的启示: