根据首字母填写
题目
根据首字母填写
After the examinations ,I need to take a good r____
The concert last night wasn't very good .Before it ended,the theatre was almost e___
答案
After the examinations ,I need to take a good rest.（考试之后,我得好好休息）The concert last night wasn't very good .Before it ended,the theatre was almost empty.（昨晚的音乐会并不是很好时,结束之前,戏...
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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