用过去式写一篇英语作文《Happy Day》
题目
用过去式写一篇英语作文《Happy Day》
答案
A Happy Day
Last year I have been to the Sanya to travel.I was seen the beautiful beach,and I was skined in the sea.the sea is very
large and it looked blue and green.But I am not good at swi
mming,so I hadn't to swim for a long time.Then Iwent to Wuzhi
mountain.There was a forest,so beautiful.I was bought some presons for my uncle and aunt.
At the last,I had to take furry to get to Zhanjiang and took
a plane to go home.
What a happy 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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