工厂某零件如图所示,以下哪个图形是它的俯视图( )

工厂某零件如图所示,以下哪个图形是它的俯视图( )

查看答案

I _______ by his story that he made up.

I _______ by his story that he made up.

查看答案

—______ are these socks? ( ) —They are four yuan.

—______ are these socks? ( ) —They are four yuan.

查看答案

Did John hit Bob _____eye ?

Did John hit Bob _____eye ?

查看答案

如图,在平面直角坐标系中,▱OABC的顶点A,B在第一象限内,顶点C在y轴上,经过点A的反比例函数y=k/x(x>0)的图象交BC于点D.若CD=2BD,▱OA

如图,在平面直角坐标系中,▱OABC的顶点A,B在第一象限内,顶点C在y轴上,经过点A的反比例函数y=k/x(x>0)的图象交BC于点D.若CD=2BD,▱OABC的面积为15,则k的值为______

查看答案