He is going to go to Beijing by train tomorrow 对Beijing提问
题目
He is going to go to Beijing by train tomorrow 对Beijing提问
答案
Where is he going to go by train tomorrow?
Where is he going by train tomorrow?
第二句比第一句更好,用现在进行时表示一般将来时.
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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