英语对话(关于宁波天气的)
题目
英语对话(关于宁波天气的)
今天就要!稍微短一点
快
答案
-very pleasent weather,isn't it?-just so so.it has just stopped raining.-oh,so it's quite cool now.do you know what the temperature is today?-the weather reporter said is 24-29 degrees.but it feel lik...
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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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