首字母填单词.
题目
首字母填单词.
The police aren't allowed to a_________ rewards.
I can't a________ three weeks away from my work.
Stephen Hawking is considered to be the greatest physicist a_________.
答案
The police aren't allowed to accept_________ rewards.I can't afford________ three weeks away from my work.Stephen Hawking is considered to be the greatest physicist alive_________.
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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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