Tom visited his aunt last Sunday.对划线部分提问 ———————
题目
Tom visited his aunt last Sunday.对划线部分提问 ———————
答案
1 What did Tom do last Sunday?
2 When did Tom visit his aunt?
3 Whom did Tom visit last Sunday?
4 Whose aunt did Tom visit last Sunday?
5 Who visited Tom's aunt last Sunday?
(看看你要哪一句)
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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