用二维表数据来表示实体之间联系的数据模型称为______。 发布时间：2018-04-27 18:08 │ 来源：www.tikuol.com 题型：填空题 问题： 用二维表数据来表示实体之间联系的数据模型称为______。
题型：填空题 阅读理解。 Mary, Lucy, Xiao Wang and Wei Fang are talking about their favorite months in a year. Mary loves December because she loves Christmas (圣诞节). She can play happily and receive (收到) many presents. And she doesn't like June because it rains (下雨) often at that time. Lucy chooses (选择) July because she can go on holiday (假期). Every summer holiday, her parents take her to travel (旅行) around the country. Xiao Wang thinks March is the best month in a year. It's very sunny, but not too hot. People can gocamping and enjoy fresh air (新鲜空气). Wei Fang enjoys October a lot because there is Mid-autumn Festival (中秋节). It is sunny as well. They all agree (同意) that the worst (最坏的) month is September because they have exams (考试) in that month. 1. Who loves December? A. LucyB. MaryC. Xiao Wang D. Wei Fang 2. Why does Lucy like July? Because she can ________. A. go shopping B. go to school C. join the art clubD. go on holiday 3. Which month don't they like?A. September B. JanuaryC. February D. December 4. Why don't they like that month?A. It's too hot. B. It's coldC. There are exams D. It's sunny 5. NameFavorite month Reason (理由) MaryLucyXiao WangWei Fang 查看答案
题型：填空题 产后排尿困难，可采取的方法是A．鼓励产妇坐起排尿，用热水冲洗外阴，诱导排尿B．下腹部正中放置热水袋，刺激膀胱收缩C．针刺关元、气海等穴位D．肌注甲硫酸新斯的明，兴奋膀胱逼尿肌E．必要时导尿 查看答案
题型：填空题 现在，在许多国家都可以看见商品上的“MadeinChina”字样，即“中国制造”，它们大都以低成本为核心竞争手段，这大大削弱了中国品牌对全球经济的影响力。要实现“中国制造”到“中国创造”的转变，必须（）A.坚持低成本制造，拓展国际市场B.转变经济发展方式，走自主创新之路C.提高商品价格，反对贸易保护主义D.加强国际合作，实施“走出去”战略 查看答案