2013五年级下册暑假之友54页根据所给材料编对话 速度解答好的加分!
题目
2013五年级下册暑假之友54页根据所给材料编对话 速度解答好的加分!
Because I like helping people .
What do you want to be , Li Hong?
No, I don't. I want to be a dancer.
I want to be a nurse.
Do you want to be a nurse,too?
Why?
答案
What do you want to be , Li Hong?I want to be a nurse.Why?Because I like helping people .Do you want to be a nurse,too?No, I don't. I want to be a dancer.
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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