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- 1What animals are g____ for a zoo?
- 2物体克服摩擦力做的功是用"摩擦力乘以相对位移"来求吗
- 3you just need a lot of discipline.On the other hand,using .
- 4可逆反应A+3B⇌2C+2D,在四种不同的情况下的反应速率分别为: ①νA=0.15 mol/(L•s) ②υB=0.6 mol/(L•s) ③υC=0.4 mol/(L•s) ④υD=0.45 mol/(L•s). 该反应进行最快的是(
- 5已知圆上一段弧长为6π,它所对的圆心角为120°,则该圆的半径为_.
- 6甲村修一条水渠,已经修好5分之4,还剩下160m没修.这条水渠长多少米
- 7英语翻译
- 8格林一家人都很开心的英语怎么说
- 9several
- 10when the teacher came into the classroom ,tom ( )with his classmate