画出格点△ABC(顶点均在格点上)关于直线DE对称的△A1B1C1;在DE上画出点P,使PB+PC最小;在DE上画出点Q,使QA=QC.
I hate it when she calls me at work—I'm always too busy to _____ a conversation with her.
如图,正六边形ABCDEF的边长为2,则对角线AF=____.