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- 1he usually gets up early and sleep late
- 2石材一立方等于几平方
- 3七年级下英语完形填空
- 4已知F1、F2是椭圆x2k+2+y2k+1=1的左右焦点,弦AB过F1,若△ABF2的周长为8,则椭圆的离心率是_.
- 5i have to (help my father clean his car)on sundays 对括号部分提问
- 6有关非谓语作定语的3道选择题
- 7一个空心的铜球放在水中,则( ) A.一定沉在水中 B.一定浮在水面上 C.一定悬浮在水中 D.三种情况都有可能
- 8面对突发事件 作文
- 9初一生物实验 酸雨对生物的影响
- 10Do they have a computer?Does he have a tennis racket?Does she have a soccer ball?