My parents work in a shoe factory.They get up at five thirty.They first get breakfast ready.
题目
My parents work in a shoe factory.They get up at five thirty.They first get breakfast ready.
答案
我父母在一家制鞋厂工作.他们5点半起床.首先,他们会准备好早餐.
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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