将下列句子变成为一般疑问名1：I am an English teacher 2:They eat well 3:He plays soccer every day
题目
将下列句子变成为一般疑问名1：I am an English teacher 2:They eat well 3:He plays soccer every day
4:Tommy has some musie CDs.
答案
1 Are you an English teacher?
2Do they eat well?
3Does he play soccer every day?
4Does Tommy have music CDs?
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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