worse birthday was it?when did the children come?who is the last one to come?was there a sweater in
题目
worse birthday was it?when did the children come?who is the last one to come?was there a sweater in the red box?who gave Kate a CD?
答案
这难道不是个糟糕透了的生日吗?孩子们什么时候来?谁是最后一个来的?红色盒子里有一件毛衣吗?谁给Kate一盘CD?
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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