A:Excus me,Wang Dong .Is your bag?
题目
A:Excus me,Wang Dong .Is your bag?
B:( ).My bag is here.( )it's that girl's bag.
A:OK.( ) Is this your bag?
C:Oh,yes.It's my bag.
A:( ).
C:Thank you very much.
A:( ).
答案
A:Excus me,Wang Dong .Is your bag?B:( No ,it isn't ).My bag is here.( Perhaps )it's that girl's bag.A:OK.( Excuse me ) Is this your bag?C:Oh,yes.It's my bag.A:( Here you are ).C:Thank you very much.A:...
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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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