that is your mother these are her books these are his brothers those are his my 怎么变一般疑问句
题目
that is your mother these are her books these are his brothers those are his my 怎么变一般疑问句
答案
含有be动词的陈述句变一般疑问句时,只需要把be动词提前至句首,然后注意一些人称变化(即第一人称和第二人称互相转换)即可.答案:1.That is your mother.变成:Is that my mother?2.These are her books.变成:Are t...
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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