篮球比赛是根据运动队在规定的比赛时间里得分多少来决定胜负的，因此，篮球比赛的计时计分系统是一种得分类型的系统全球环境变化n 人类生存的危机和科学的挑战n 全球气候变暖（Global Warming ）n n戈尔戈尔“难以忽视的真相难以忽视的真相” “An Inconvenient Truth”“An Inconvenient Truth”篮球比赛是根据运动队在规定的比赛时间里得分多少来决定胜负的，因此，篮球比赛的计时计分系统是一种得分类型的系统n “Ultimately, this is really not a political issue, so much as a moral issue”,I believe this is a moral issue.n “Each one of us is a cause of global warming, but each of us can make choice to change that.n We just have to have the determination to make them happen”篮球比赛是根据运动队
