英语,
题目
英语,
We are all Chinese students.(同义句)_____ -_______us are Chinese students.
He knows the answer to Number 3.(一般疑问句)______he_____the answer to Number
they like to go there and every time they enjoy themseleves very much.
答案
All of
Does know
他们喜欢去哪儿,他们每次都玩得很开心
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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