八年级英语下册作文,仁爱版
题目
八年级英语下册作文,仁爱版
8页的2 Written work ,我今天就要!
答案
One day,Mr.Wang was on his way to the airport.He is excited that he can have a trip.But when he arrived the airport,he found he lost his ID card.When he felt upset,an foreigner gave him a card.How sur...
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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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