英语填介词题目
题目
英语填介词题目
My mother is always busy,but she took a day ____ last week.
Teachers should be strict _____ students,and should be friendly ____ them,too.
答案
My mother is always busy,but she took a day _in___ last week.
Teachers should be strict ___with__ students,and should be friendly _to___ them,too.
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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