①严重违法行为，要受刑罚处罚    ②行政违法行为，应受行政处罚

③民事违法行为，承担民事责任    ④犯罪行为，具有严重的社会危害性

某企业拟生产甲、乙两种产品，已知每件甲产品的利润为3万元，每件乙产品的利润为2万元，且甲、乙两种产品都需要在A、B两种设备上加工，在每台设备A、每台设备B上加工1件甲产品所需工时分别为1h和2h，加工1件乙产品所需工时分别为2h和1h，A设备每天使用时间不超过4h，B设备每天使用时间不起过5h，则通过合理安排生产计划，该企业在一天内的最大利润是（　　）

    Hello, I'm Lily. I have a friend. Her name's Sally. She's eleven. Her birthday is on 10th July. She lives far from school. She goes to school by bus. Her favourite colour is red. She has a red hat. She can read and write. She is good at writing. She wants to be a teacher in the future. She wants to teach Chinese in a school.

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下图是我国著名的什么水利工程（    ）

达尔文把通过激烈的____ ，适者生存，不适者被淘汰的过程，叫做____ 。