句型转换
题目
句型转换
Do you often help your mom do housework?(改为同义句)
Do you often ______ your mom _____ housework?
Please show me your photo.(同上)
Please show____ ____ ____
答案
help with
your photo to me
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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