what class are you in?能写what are you in class?
题目
what class are you in?能写what are you in class?
答案
不行
what class are you in?是你在哪个(什么)班
what are you in class没人用这个说法的,意思也完全不一样,是“你在班里是什么”的意思
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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