下列关于流程图的说法正确的是（　　）

   Some people don’t like doing sports because they think it is hard work and will make____ (他们) feel tired . That’s wrong! Sports help us to____ (保持)healthy , happy and live longer .If you____ (从不) do sports , you will get unhealthy easily . Sports are____ (也)a good way to make friends .People from different____ (地方) may not know each other , but after a game , they often become good friends .And sports in winter and ____ (夏天)are not the same.____ __(swim) is fun in hot weather , while skiing is great____ cold days . Many people____ (享受) watching others play games .They often get very____ (兴奋) when “their” players or teams win .

依次填入下列各句中横线处的词语，最恰当的一组是（    ）

①引发悲剧事件的暴力拆迁，是对公民尊严的毁灭性打击，那些被强拆的主人公           缺失了财产权利，          丢掉了尊严。

②《五星红旗迎风飘扬》是      中国“两弹一星”研制过程的主旋律电视连续剧，“两弹元勋”们对理想的执着追求和无私奉献精神深深地打动了观众。

③福岛核电站的放射性污染已危害到当地海洋生物的生存，如不加以有效控制，最终受到危害的是人类。因为整个食物链         ，而人类则处在食物链的最高端。