续写 this is our playground.today is our sports day.look!the games have begin.i will …… 四五句话就行
题目
续写 this is our playground.today is our sports day.look!the games have begin.i will …… 四五句话就行
答案
Look,Mike is playing football with his friends.It is really exciting to watch Mike playing football because he plays very well.And at the other side of the playground,Jane is playing badminton with he...
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已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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