回答以下英文题
题目
回答以下英文题
what kind of day is good for a picnic?what do you do in the hot weather?Do you like a rainy day?why?How is the weather today?what do you like to do on a rainy day?
答案
1,sunny 2,swimmimg 3,I hate it ,because i just at home,can't outdoor 4,reading
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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