从一个水龙头打水,有人用大桶,有人用小桶。无论让谁先打,全部打完水的时间是一样的,因为水龙头的流速是一样的。但就效率而言,先让用小桶的人打水会缩短所有人打水的总时间,一定时间内可以让更多的人完成打水的任务,体现了“短作业优先法”。这说明( )①促进公平需要合理的机制和政策②合理的公平表现为相对平等③效率是公平的物质前提和保证④效率的提高意味着社会财富的增加
— Did you see the movie ‘If You Are The One (非诚勿扰)’ last night ? — Yes, but when I got to the cinema , the film ________ for ten minutes .
—Tom wants to know if you ________ a picnic next Sunday. —Yes. But if it ________, we'll visit the museum instead.
Once a year , people take part in “ ______ Lights ” activity to help save energy .
– My bike is missing. I can’t find it anywhere. – I’m afraid you have to buy .
Connie arrived ____ the village____ a snowy night.