自我介绍的英语作文100词
题目
自我介绍的英语作文100词
给我一个好点的
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Hello everyone,my name is li Zhuoying and my Englisn name is Clare.I feel very glad to study with all of you.I'm 15 years old now and I will try my best to study English well.I hope we can help each other from now on and I'm looking forward to studying with all of you and becoming your friend.
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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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