He put his things in his room and then he sent his wife a telegram in which he put the address of
题目
He put his things in his room and then he sent his wife a telegram in which he put the address of
his hotel
答案
他把他的东西放在房间里,然后他给妻子发了份电报,在里面他写了他所住的旅馆的地址.
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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