按要求完成句子
题目
按要求完成句子
1.What's wrong with you?(改为同义句)
What's _____ ________ with you?
2.Maybe you should see a dentist.(改为同义句)
________ you should see a dentist.
3.My life is not the same as yours.(改为同义句)
My life ______ ______ _______yours.
答案
1. the matter
2. Perhaps
3. is different from
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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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