问三个英语选择题,
题目
问三个英语选择题,
“The young Pioneers often help the old man do some cleaning." ——“______"
A.So they do B.So do they C.So we do D.We either
_____ of the workers in the factory are going to the meeting.
A.Four hundreds B.Hundreds C.Four hundred D.Hundreds of
He dances _____(wonderful) of all the students in the class.
答案
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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