Did you saw elehants last weekend?At Monday we went to a park .
题目
Did you saw elehants last weekend?At Monday we went to a park .
I have fun with my friends last weekend.
I went skiing on last Sundany.
圈出错误单词,并把正确的改写在横线上.亲们,
答案
saw---see
At---On
have---had
去除on
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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