题目

    Our Web Editor Jan Fields has always loved two things----writing and teaching, so she’s done both throughout her professional career．After graduating from college with a BA in Journalism, she quickly found that writing for newspapers didn’t fulfill her dream．So she switched to magazines and soon began teaching magazine writing．Still, something didn’t feel quite right．She wanted more challenges and creativity．     In the 1980s, Jan answered a call to rewrite a year’s children’s church lesson．She quickly found that writing stories and activities for child若两圆的半径分别是2cm和5cm，圆心距为3cm，则这两圆的位置关系是（ ）A．外离B．相交C．外切D．内切