英语(填A或AN)
题目
英语(填A或AN)
Do you have _______ envelope
We have __________ garden outside our flat in ShenZhen.
Have you got _________ one-yuan cion?
The car is _____ ugly colour .
George is ______kind person .
Do you have _______ answer to my question
English is ________ useful language .
It's _________ hot day today .
This is ______ easy exercise .
She reads for __________ hour every day.
答案
an
a
a
an
a
an
a
a
an
an
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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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