请英语高手们帮我造三个一般现在时的句子
题目
请英语高手们帮我造三个一般现在时的句子
尽量简单一点,请帮我列出疑问句和否定句
答案
1 We go to school every day.
疑问句：Do you go to school every day?
否定句：We don't go to school every day.
2 He can help you.
疑问句：Can he help you?
否定句：He can't help you.
3 She is a student.
疑问句：Is she a student?
否定句：She isn't a student.
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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