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数据库逻辑设计的主要工作是将E-R图转换成指定RDBMS中的 【10】 。
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Now I’d like to talk to you about the final exam. The exam will be held next Tuesday, the last day of the exam week. Remember to bring two or three pens in case you run out of ink. Unlike the midterm, this test will not include multiple-choice questions. It’ll consist entirely of essays. You must answer three of the five essay questions, the exam will be comprehensive, which means you’ll be responsible for all of the subject matter we’ve covered in class. I would suggest you review your midterm’s as well as the text book and your class notes. The final will count for 50% of your grade in the course. The research project will count for 20%, and the midterm 30%. I’ll be in my office nearly all day on Monday next week. Good luck with your studying, and I’ll see you on Tuesday. When is this talk most likely being given（）
Now, I want to tell you a story about a person who always went to the same beerhouse at the same time every day and asked for two glasses of beer. He drank them and then asked for two more. One day the waiter in the beerhouse said to him, "Why do you always ask for two glasses of beer Why not get one big glass instead" The person answered, "Because I don’t like to drink alone. I drink with my friend. " But a few days later the person came in and asked only for one glass of beer. "Oh," said the waiter, "has your friend died Oh, no", said the person, "He is very well. This glass of beer is for him. But I have stopped drinking beer. My doctor does not want me to drink any more because it is dangerous for me." What happened a few days later（）
Hi, Jim. This is Jane. You missed a wonderful movie last night. Too bad you had to study for that history test. Anyway, I really wish you had been able to go with us. It was one of the most beautiful films I’ve ever seen. Oh, I don’t mean beautiful because of the scenery. As a matter of fact, the land where they made the film wasn’t beautiful at all. The beautiful thing was the way the actors played their parts. You know me. I am not usually easily moved, but a couple of times I almost cried. Once when the farmer in the film was standing in the middle of his wheat field. There had been hardly any rain for a good harvest. A dust storm destroyed his whole crop. The actor acted the part so simply that the whole story came to life. I don’t think he ever said a word. He just stood there looking over the field and then down at his empty hands. Well, I won’t go on and on about it. Promise me you’ll see it soon! What’s the women’s opinion of the movie（）
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