1.Bill,George,Sally and Ann are brothers and sisters.I know that one of them is eighteen,one of the

1.Bill,George,Sally and Ann are brothers and sisters.I know that one of them is eighteen,one of the

题目
1.Bill,George,Sally and Ann are brothers and sisters.I know that one of them is eighteen,one of the
里那四个单词从左面看和右面看是一样的?
答案
what four-letter word from right to left to right reads the same?
moon 行星环卫星
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
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
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