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翻译：颁白者不负道路矣。
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【简答题】阅读理解。 Have you ever had the desire to wander the world and see what was out there? While some people prefer to stay in the comfort of their own home, others have been bitten by the travel bug and can'...
【简答题】根据短文内容及所给首字母提示写出所缺单词, 并将完整单词写在答题卡对应题号的横线上。 PE classes have become a nightmare (噩梦) for Liu Fei, a 15-year-old student. He has to run at l 小题1: 4 laps (圈) of the playground in every PE class. That’s n ...
【简答题】根据短文内容完成下面的表格。每空一词。 Sam is my pen friend. There are five people in his family. His father is a PE teacher. His mother is a nurse. He has a sister and a brother. His sister is twenty minutes younger th...
【简答题】完形填空。 Two weeks before Christmas one year, I went to London with my mother. I 1 forget the day. The streets were 2 people. The shop windows were very bright. My mother held my hand and we both went in...
【简答题】用表上作业法求下表运输问题的最优解：
【简答题】已知运输问题的供需关系表与单位运价表如表2－19，试用表上作业法求(a)、(b)的最优解。已知运输问题的供需关系表与单位运价表如表2-19，试用表上作业法求的最优解。
【简答题】运输量统计方法有哪两种?全厂运输量棋盘表法有何缺点?
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