图书馆管理系统+含ER图

you from? Jenny: Poland. Have you has this teacher before? I’ve heard he is really good. Harrison: He’s good if you’re a hand-worker. He expects a lot. Jenny: Oh, I guess that’s good. I hope I can keep up with everyone else in the class. Maybe I need your help after class. Harrison: You’re welcome. … Professor: All right. See you guys next week. Student: See you. Jenny: Harrison, wait up! Harrison: So what do you think about the professor’s lecture? Jenny: I think half of what he said went over my head. Harrison: That’s all right. A lot of what he said is explain in the reading/ Jenny: Hey, would you mind if I borrowed your notes tonight to look t

hem over? Harrison: No problem. We don’t have class until Wednesday. Here you go. Jenny: Thanks. I just want to make sure I’m prepared for the seminar. Harrison: Yeah, participation in the discussion is an important part of the education here.

Seeing that Jenny has bought the books for the biology class, Harrison says nobody does much on the first day because it’s still add-drop, which means students are changing from class to class. Jenny knows the professor is really good. But Harrison warns her that the professor is good, only if students are hand-workers, for he expects a lot. After class, Jenny admits that half of what the professor said went over her head, and Harrison assures her that a lot of what the professor said is explained in the reading. When Jenny asks to borrow Harrison notes, he says “on problem”, for they don’t have class until Wednesday. Finally, Harrison says participation in the discussion at the seminar is an important part of the education there.

Task 2: Money for CollegeScriptRobert is a university student. He likes to have fun. But having fun was expensive, so he was rapidly running out of money. There was nothing to do to try to call his mother for help. “Hi, Mom. I certainly miss you and Dad. I…uh…got a big surprise this week in my physics course. We have to buy two new textbooks. I’m going to need $100.” “I understand,” said his mother, “I’ll send you the money right away. You left your calculus book here when you were home two weeks ago. Shall I mail that at the same time?” “Oh, yeah. Thanks,” Robert said.14