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- 1He was happy to say_________.
- 2They get up at seven in the morning.改为否定句
- 3南极和北极有人居住吗?
- 4then English other to been we have writing each in since 排列顺序造句
- 5请帮忙修改短文
- 6知道圆弧高度,知道圆弧宽度,求圆弧长度?怎么求?
- 7匀速圆周运动有加速度吗?为什么?
- 8AlCl3+3NaOH=Al(OH)3↓+3NaCl(氢氧化钠少量) AlCl3+4NaOH= NaAlO2+2H2O(氢氧化钠过量)
- 9whose和of which 引导定语从句时的区别.
- 10角速度的方向怎样