( )I hope you can be better.
题目
( )I hope you can be better.
_______________.
A.Of course B.Certinly C.Thank you D.Don't sey that
( ) They usually wait for the waiter____them to a table
A.buy B.carry C.show D.understand
( )They usually talk with each other _________ a low voice.
A.in B.for C.from D.on
答案
C.
C
A
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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