小学英语阅读一百篇
题目
小学英语阅读一百篇
答案
一、阅读短文,判断对错,对的写“T”,错的写“F”.Long long ago,there was a little mouse.On a sunny morning,the mouse rode a bike to the park.On his way to the park,he met a big fat cat.He was very afraid...
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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