We know the moon is our satellite.It ( ) round the Earth day and night .It ( ) around once a
题目
We know the moon is our satellite.It ( ) round the Earth day and night .It ( ) around once a
We know the moon is our satellit ..It ( ) round the Earth day and night .It ( ) around once a month every 29a and a half days
第一个括号:A moved Bwill move C move D is moving
第二个括号:A go B goes C went D will go
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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