Take the medicine twice a day.You will be ------(well) tomorrow.
题目
Take the medicine twice a day.You will be ------(well) tomorrow.
I can work out this math problem ,but I can't work out the physics problem.The physics problem is ---------(difficlut).
写出正确答案并做其解释
答案
第一题：better.即well的比较级.明天会感觉好一点.
第二题：more difficult.
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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