填词The tall building is a 18-story one and he lives on the t____ floor,the eighteen floor.
题目
填词The tall building is a 18-story one and he lives on the t____ floor,the eighteen floor.
In the morning,I stayed in the house and watched v_____,played computer games,and read.
答案
1 top 顶层的
2 videos 影片
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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