He goes to school from Monday to Friday.(改为否定句)
题目
He goes to school from Monday to Friday.(改为否定句)
还有改为一般疑问句
是He doesn't go to school from Monday to Friday.还是He doesn't goes to school from Monday to Friday.
答案
否定句:he doesn't go to school from Monday to Friday.
疑问句:does he go to school from Monday to Friday?
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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