山东是我国经济和文化大省，历史悠久。阅读下列材料，回答问题。

材料一

历史上的山东行政图

材料二

据文献记载：①鲁、齐等诸侯在其领地，有设置官员、建立武装、征收赋役的独立性。②秦代官吏必须经过国家委任才能就职；官吏调任时，不得带随员；官吏一经任命，必须服从调遣，违者要依法治罪。

下列说法正确的是（　　）

How to keep healthy

    Everyone wants to be healthy,but do you know how to keep healthy? First, eating right food is very important. There is a lot of healthy food. It can make you strong. You can have more bananas,apples,tomatoes,cucumbers and so on, because fruits and vegetable are good for you.But you should not eat too much chocolate or fast food.They're not healthy food.Second,sports can also keep you healthy.Get up early and do some sports every day.You will be healthy and happy by doing so.

阿尔及利亚位于非洲北部，是非洲面积最大的国家。该国石油、天然气资源丰富，储量居世界前列，天然气与石油出口收入占国家外汇收入的90％以上，同时还开采出口铁矿石和磷灰石，另外葡萄酒、柑橘、蔬菜、橄榄油也是其传统出口商品。但阿农业发展缓慢，粮食与日用品主要依赖进口。该国首都阿尔及尔，是全国最大的港口城市。