学雷锋做好事英语作文高中120词
题目
学雷锋做好事英语作文高中120词
答案
This morning we heard the talk given by our headmaster about Lel Feng.We were deeply moved by Lel Feng's deeds.We have made up our minds to do as Let Feng did.
As there were no classes this afternoon,we decided to do some good deeds for people.Some of us went to the Station Square to repair bikes for people passing by,some went to a home for orphans nearby to help carry coal and wash their clothes,and others remained at school to clean the teachers' office.We all worked very hard.
It was not until six o'clock that I returned home.Tired as I was,I was filled with joy and pride.
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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