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成人高等教育 / 经济数学基础

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经济数学基础

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乔布斯之问是指什么创新创业：理论实践与应用

9、Modern life is impossible without traveling. The fastest way of traveling is by plane. With a modern airliner you can travel in one day to places which it takes a month or more to get to a hundred years ago. Traveling by train is slower than by plane, but it has its advantages. You can see the country when you are traveling through. Modern trains have comfortable seats and dining-cars. They make even the longest journey enjoyable. Some people prefer to travel by sea when possible. There are large liners and river boats. You can visit many other countries and different parts of your country on them. Ships are not so fast as trains or planes, but traveling by sea is a very pleasant way to spend a holiday. Many people like to travel by car. You can make your own timetable. You can travel three or four hundred miles or only fifty or one hundred miles a day, just as you like. You can stop wherever you wish - where there is something interesting to see, at a good restaurant where you can enjoy a good meat, or at a hotel to spend the night. That is why traveling by car is popular for pleasure trips, while people usually take a train or plane when they are traveling on business.统考英语阅读理解

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最早提出“师夷长技以制夷”观点的是哪位思想家 ( )(A) 龚自珍 (B) 魏源 (C) 林则徐 (D) 颜元中国教育史

消毒常用的碘液浓度为： A、 10g/L B、 20g/L C、 25g/L D、 30g/L E、 50g/L病原生物学

如果某一月份的商品销售额为84万，该月的季节指数等于1.2，在消除季节因素后该月的销售额为(A) 60万 (B) 70万 (C) 90.8万 (D) 100.8万市场调查与预测