it is _____to help with the housework 急
题目
it is _____to help with the housework 急
答案
Important
I used to be a lazy boy.I had never doneany housework before.But now everything has changed.On the first day of mysummer vacation,I found mum was really busy and tired.I felt sorry.
So I did some washing for her.I washedmany clothes,including my own stockings and trousers.I washed and washed,andwhen my classmates called me to play football,I paid no attention to them.Ithought mum and dad did a lot to bring me up,and I should do something forthem.I could share housework with them.When mum saw what I was doing,shepraised me greatly.I felt very happy and encouraged.
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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