Please answer this: W: Well, like so many easy questions, the answer isn't very simple. Basically, human memory is a compartment in people's brains where they store images rather like the hard disc drive in a computer. And like a hard disc drive, our memories can become infected or even wiped out by accidents. But the comparison breaks down when we consider that we can train our memories to expand and work better which computers can't manage yet. M: When you talk about memory being infected, do you mean by a disease? W: Yes. For instance, people suffering from a physiological disease like Alzheimer: forget things that happened in the past. And they also forget how to perform simple tasks like tying their shoelaces. The good news is that brain exercises can help keep the brain young. Research has shown that people who have better educations and more mentally active jobs have a lower risk of developing the disease. M: And how can someone exercise his brain? By thinking a lot? W: In a way, yes. But you can also practice using your memory which not only exercises your brain but also improves you ability to remember things. Unfortunately, a lot of devices in modern life are designed to make sure we don't forget things which can make our brains more idle and weaken our memories. M: Can you give us some examples of how to exercise our memories? W: Sure, there is a very simple technique, although it works better for some people than for others. When you want to remember something, think of a physical thing it reminds you of. If I want to remember a date from history, let's say, 1066, the date of the Battle of Hastings. I might think that battle reminds me of bottle, so I think of a bottle with the number 1066 written on the label. And I just picture that bottle to myself. What was said before this conversation?
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Answer: M: Today on mind matters, I'm talking to Dr Ann Winters, an expert on human memory.. Ann, welcome to the program. Now, I suppose the first question everyone would ask is: what exactly is human memory?

Please answer this: M: I remember receiving their calendar of activities in my campus mailbox a week ago. I didn't really look at it, though. Isn't that where they organize parties and trips for foreign students? W: Not only for foreign students. The International Center's activities are intended for all students. They set up conversation tutorials for a variety of languages, and through the Center's Host Family Program, you can visit the home of a local family. M: Now that you mention it, it would be nice to meet more people from this area. I find the customs of this country really confusing sometimes. But also there are times when I need to talk to people who come from other countries as I do. I'll bet a lot of them feel the way I do. W: Of course. You are not the only person who is new around here. Take me. My family lives 500 miles away from here. That isn't another country, but it is a long distance. The center is a good place for meeting people who can tell you how to get to know this city. And if you ever feel lonely, you can go over there and find someone to chat with. On weekday nights, they don't close until 11:30. M: I guess it's worth visiting. Did you say you are going there tonight? W: Uh-huh, to a coffee hour at eight. M: All right. I'll come, too. I might as well see what the International Center is like. How about meeting me in front of the library and we'll walk there together? W: Sure. See you then. What was said before this conversation?
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Answer: W: Are you free this evening? Would you like to come with me to the International Center?

Please answer this: M: Hello, Mrs. Jones. Come in and sit down. What's the matter? W: I have a pain in my tooth. M: Do you often have this pain? W: No, I don't. I've never had bad one like it before. M: When did it start? W: Three hours ago. M: You mean it started at one? W: Yes, as soon as I finished lunch. M: Well, have some porridge, milk and soup for meals for two days, and then you'll feel better. W: Can you give me some medicine? It's very painful. M: Yes, I'll give you pills. Take one three one three times a day, and come here in three days. I'll pull it if necessary. What was said before this conversation?
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Answer:
W: Hello, Mr. Jackson.