介绍刘翔的英语作文,写出以下几点:1 When and where was he born?2 When did he turn professional?...
题目
介绍刘翔的英语作文,写出以下几点:1 When and where was he born?2 When did he turn professional?...
介绍刘翔的英语作文,写出以下几点:1 When and where was he born?2 When did he turn professional?3 What titles has he won?
答案
Liu Xiang was born on July 13,1983.His event is 110 meter hurdler.He won the 2004 Olympic gold medal.He was triple crowned as World Record Holder,World Champion and Olympic Champion.
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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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