用适当的介词回答.He got home _midnight
题目
用适当的介词回答.He got home _midnight
Tree leavea begin to fall___September.
He went to Beijing __the morning of October 8th.
He usually goes to see a film __Sunday.
Can you finish the task __a month.
He left his homeland __the age of thirth.
My family will move there __two months.
答案
He got home at midnight
Tree leaves begin to fall in sepetember
on the morning
on
in
at
in
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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