Most visitors to Qindao will surely find a kind of special food in Shandong.It is very 1   and delicious.It is2pancakes.It's a traditional food in Shandong.It is popular with the local people.

    When we talk about pancakes in Shandong，there is a love3about them.In the past，a boy was poor，but studied hard.His girlfriend's parents didn't want the girl to4him.They didn't provide him with food.The clever girl made some pancakes just like paper and sent them to him.The boy ate these pancakes，went on studying hard and succeeded later.

    5you can find the pancakes in some big restaurants，you'd better have a try in the small 6.They are able to make7pancakes of the Shandong taste.

    Some pancakes are made 8flour(面粉)from the wheat(小麦).When they are9  on the hot pan(平底锅)，they are more delicious to eat.

    If you want to take some pancakes back to your friends and relatives，you can find some packed pancakes.They are made by some big10factories in some villages around Jinan.

开源节流是社会发展的普遍规律,也是人类生存和发展的智慧。正是这种智慧,使我们能够趋利避害,未雨绸缪,让地球上的各种资源满足人类的基本需求。该智慧的哲学依据是（  ）

学生丁某在暑期参加社会实践，由于涉世不深，被传销团伙所骗，从事非法活动，后被司法部门依法处理，丁某后悔不已。这说明我们亲近社会要学会

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《中国流动人口发展报告2017》指出，到2016年末，全国流动人口的总量为45亿，超 过总人口的六分之一。下图示意现阶段人口流动基本情况。