1.I’m not good at writing in Chinese .(同义句) I( )( )( )( )writing in Chinese.
题目
1.I’m not good at writing in Chinese .(同义句) I( )( )( )( )writing in Chinese.
2.I can make toys and tools.(同义句)
I ( )( )( )make toys and tools.
3.The Great Wall is over 2.000 years old.( 同义句)
The Great Wall is( )( )2,000 years old.
4.We saw him no more.(同义句)
We didn’t see him( )( ).
答案
举一反三
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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