八年级上册英语《教与学》答案 第九单元
题目
八年级上册英语《教与学》答案 第九单元
答案
sectionA:1.BDDBA 2.that player was born in does is pianist where athlete 3.CADB 4.when was what time did was he born what did play where were sectionB:1.in for at in in with 2.got gold medal national ...
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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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