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M: How far north are we, DaneW: Up here in Damson City About 2,000 kilometers, north of Edmonton.M: The top of the world...W: That’s the North Pole—3,500 kilometers, north of here.M: All this is making me hungry. What do you all feel like having for breakfastW: Let’s see the menu.M: A small orange juice, some coffee and an order of toast.W: I’m going to go for the Robert Service breakfast.M: The Robert Service breakfastW: Ham and eggs.M: I didn’t think you could stand ham or eggs.W: A piece of cake. Here’re the waitresses. How far is Damson City from Edmonton()
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某医师欲比较A、B两种降压药的降压效果，随机抽取了高血压患者各100名，由测量值算得两组患者服药前后舒张压下降值的平均数分别为0.45kPa和 0.34kPa。作两大样本均数比较的μ检验μ=6.306，P<0.01，结论是
M: Kate, what did you do yesterday afternoonW: I had some sports with my classmates.M: What kind of sports did you have Playing tennisW: No, we were playing basketball.M: Oh, I like playing basketball very much. What about youW: In fact, I don’t like it.M: So what’s your favorite sportW: Er, such as playing volleyball, table tennis, swimming and so on. And youM: Well, besides basketball, I like playing football and running. Every morning I get up at 6:00 and run on the playground for 15 minutes.W: I like running, too. But it’s difficult for me to get up early in the morning. So I always run in the afternoon for about 10 minutes. When does the man usually stop running every morning()
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M: Could you tell me the timetable of the school busW: Well, tile bus leaves here for the campus every two hours from 6:30 am. But on weekends it starts half an hour later. When does the second bus leave on Saturdays()
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