题目内容

Dujiangyan ___ to _ water and _____ floods and sand.都江堰具有引水、分流洪沙的功能。

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_____ the dam, the _ would no longer ___ by flooding during the rainy season, and water supply will be _ in the dry season.多亏了大坝，该地区在雨季将不再受到洪水的困扰，在旱季也将有充足的水供应。

Du Jiang Yanhas functioned for more than 2200 years even the ___ with _ of 7.8 on the Richter scale in 2008 which happened near the dam did not _____ it.都江堰具有2200多年的历史，即使2008年发生在大坝附近的里氏7.8级的地震也没有摧毁它。

Dujiangyan _ the idea that the land, water and people can live in _ .都江堰反映了“水、陆、人” 和谐共处的理念。

输入百分制成绩，输出相应的等级：90分以上为'A'；80~89分为'B'；70~79分为'C'；60~69分为'C'；60分以上为'E'；如果分数大于100或者小于0，则输出“成绩有误”。