用英语介绍学校的教室少一点
题目
用英语介绍学校的教室少一点
所有的教室
答案
I'm in Class 3, Grade 6. My classroom is not very big, but it is clean. There are many desks snd chairs in it. There are two blackboards on the wall. The teacher's desk is in front of the blackboard. There are four lights on the white wall. And there are four fans near the lights. There are seven windows in it. I like my classroom! Welcome to my classroom.
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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