Some years ago on a hot summer day in south florida 这篇阅读的答案是什么
题目
Some years ago on a hot summer day in south florida 这篇阅读的答案是什么
答案
Some years ago on a hot summer day in south Florida a little boy decided togo for a swim in the old swimming hole behind his house. 几年前的一个炎炎夏日,在美国佛罗里达州南部,有个小男孩为贪图凉快,决...
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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