四年级上册英语寒假周记
题目
四年级上册英语寒假周记
答案
Today is Spring Festival Eve.My family gather together to celebrate the festival.We made dumplings together.My mother teaches my how to make dumplings and I learn fast.Finally I can make dumplings myself.
We have dinner while watching TV.The programs are all interesting.My favorite TV program is the show by Feng Gong.We talk about the past year of 2011 and wish a better 2012.After dinner,we go outside to let off fireworks.It's so beautiful in the sky.
It's a great day!
四年级差不多这水平吧……
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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