Everyboyandgirl___(treat)inthesameway.

劲度系数为k的轻弹簧竖直悬挂，下端连接质量为m的小球，将小球在弹簧原长位置由静止释放，弹簧的最大伸长量为（）

维护国家安全、荣誉和利益是公务员的义务。

Peopletodayarehighlyconcernedaboutthequalityoftheairthey___(breath).

Althoughtheyagreethatlifeisimportantandshouldberespected,theyfeelthatthequalityoflifeshouldnot__(ignore).