It is a photo of my family.(改为否定句)
题目
It is a photo of my family.(改为否定句)
These are oranges.(改为单数)
答案
It is a photo of my family.(改为否定句):It is not a photo of my family.These are oranges.(改为单数):this is an orange.Is,are,was,were等Be动词都是直接在其后加not改为否定句.this的复数对应为:these.th...
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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