写国庆节的英语作文60词
题目
写国庆节的英语作文60词
答案
the national day is coming.I'llhave 8days holiday.one the frist day.I'llgo to a picnic day.,I'll family at Qifeng park.on the 2nd day.I'll go to the beach in the second day.I vist my grandmother paren...
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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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