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- 1仿照下面的例句,以“书籍”为开头写一句话.
- 2设a、b为两条直线,α、β为两个平面,下列四个命题中.正确的命题是
- 3这首诗明明是写半亩方塘,可为什么要用"观书有感"作为题目?
- 4急!初一几何填空题!数线段,找规律
- 5一个分数的分子扩大3倍,分母缩小2倍,分数值_; 一个分数的分子缩小3倍,分母扩大2倍,分数值_; 一个分数的分子扩大3倍,分母扩大3倍,分数值_.
- 6They were so far away that I couldn't make out their faces clearly.
- 7【急】对于函数f(x),f(x)不为0,且x1,x2属于R上任意实数,都有f(x1+x2)=2*f(x1)*f(x2),证明f(x)是偶函数
- 8The fashion show_____(hold)last.
- 9在括号里填入适当的词[ ]圆月
- 10My father has never been to Hainan.My mother has never been there,either.改同义句:_____my father_____my mother_____been to H