求四年级水平英语作文一篇 难忘的假期生活
题目
求四年级水平英语作文一篇 难忘的假期生活
答案
It was a sunny day today,when I got up in the morning,I decided to see my grandparents.so I took the bus got there at noon,they were happy to see me,and i was very happy,too.
In the afternoon,my farther asked me to help him water the plant,and I was happy to see the flowers smiling in the wind.
In a word,today is a unforgetive day.because I saw my relatives helped people.
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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