[]his pocket money,Bill bought many books for the poor
题目
[]his pocket money,Bill bought many books for the poor
A、Use B、In C、With D、Pay
Project Hope still has a lot of work【】
A、to do B、doing C、do D、to doing
【】your help ,I workes out the sky.
A、Under B、With C、Having D、Without
there are 【】 birds flying in the sky.
A、two hundred of B、two hundreds C、hundred of D、hundreds of
答案
c
a
b
d
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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