帮我写一篇介绍教室的英语作文 我们班有 1个讲台 1个黑板 2扇门 4扇窗户 50个座位 用英文
题目
帮我写一篇介绍教室的英语作文 我们班有 1个讲台 1个黑板 2扇门 4扇窗户 50个座位 用英文
答案
Our classroom is big and clean. There is a teacher's desk in the front of our classroom. Also there is a blackboard in the front wall. On one side of the classroom there are two doors and four window on the other. There are fifty seats in our classroom, too. We study and play in our classroom happily every day.
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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