the students in our class work harder at English the students their class work hard at English
题目
the students in our class work harder at English the students their class work hard at English
合成一句话
the students in our class work --------- at English ------ those in their class填什么
答案
the students in our class work ( harder ) at English ( than ) those in their class
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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