请以“our school”为题,用“there is.
题目
请以“our school”为题,用“there is.
答案
My school is a beautiful .There are a lot of trees in my school ,they are very tall and strong .
There are many students in our school,they are very kind-hearted and lovely.
There are fifty classmates in my class,they are all my friends.I love them so much.
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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