They were (c---) and cheering,because ther were too happy
题目
They were (c---) and cheering,because ther were too happy
在括号里填一个C开头的单词.急!
答案
crying
(喊叫)
The student has read the books 【once】.
那个学生读过一次那些书.
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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