【单选题】Each new way of looking at a situation ________ our understanding and makes it easier to discover new possibilities.
【简答题】已知:在如图1所示的平面直角坐标系xOy中,A、C两点的坐标分别为A(4,2),C(n,-2)(其中n>0),点B在x轴的正半轴上.动点P从点O出发,在四边形OABC的边上依次沿O-A-B-C的顺序向点C移动,当点P与点C重合时停止运动.设点P移动的路径的长为l,△POC的面积为S,S与l的函数关系的图象如图2所示,其中四边形ODEF是等腰梯形. (1)结合以上信息及图2填空:图2中的m=____...
【简答题】It began with three friends searching for an easier way to share videos. One - Jawed Karim - uploaded the site's first clip - a movie of himself dressed in an anorak at San Diego Zoo. By the end of it...
【单选题】Each new way of looking at a situation deepens our understanding and makes ______ easier to discover new possibilities.