(1)Sally was a doctor five years ago 用in ten years改写句子
题目
(1)Sally was a doctor five years ago 用in ten years改写句子
(2)We will e_ ourselves at the party this eveving
(3)Fish can't live w_ water
答案
1.Sally will be a doctor in ten years
2.enjoy
3.without
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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