初一英语作文摘抄
题目
初一英语作文摘抄
100词语左右
答案
The thermometer had dropped to 18 degrees below zero,but still chose to sleep in the porch as usual.In the evening,the most familiar sight to me would be stars in the sky.Though they were a mere sprin...
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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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