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- 1wo de tian a
- 2I have some oranges .和 He has 3 English books.和She has some hats 和they have some pens 全部改成一般疑问句和否定句 2 对划线部分提问 I have 4 r
- 3生态系统中有哪些组成部分
- 4there has never been a better time to esgapt
- 5(-370)x(-1/4)+0.25x24.5+(-11/2)x(0.25)用简便方法计算
- 6如果A是B的子集,是不是就说明A=B?
- 7很多羽毛箭射在船上是什么成语
- 80.1mol/LNa2O放入多少克水中才能使溶液中Na+与H2O的个数比为1:100?
- 9how you decided where to go for your holidays?
- 10Rt三角形ABC中,角A=90度,AB=3cm,AC=4cm,BP=3cm.以点P为中心把三角形逆时针旋转90度成图DEF求重叠的面积