题目内容
What is the main idea of the passage？
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Apart from their great numbers, why does the writer call ants "the most successful organisms"？
听力原文：Woman: I'm sorry I'm late again. I ran out of gas. Can you believe it？
Man: You should take the bus. Then you wouldn't have to worry about gas or flat tires or anything like that. Or, even better, get up earlier and walk. That's what I do. I walk to work every morning.
Woman: Well, I tried taking the bus yesterday, and I got here even later than I do when I drive because it has to stop at every bus stop. It takes forever.
Man: See？ Walking's the fastest way. It only takes me 45 minutes to get to work. And I always arrive feeling relaxed and energized.
Woman: Well, it would take me a lot longer than it takes you. I'd have to train before I could walk that fast, and anyhow, I live a lot farther away than you do.
Why was the woman late today？
听力原文： Attention employees. Employee parking is permitted on the second and third levels of the parking garage. You must have a parking sticker clearly displayed on the front left windshield of your car in order to park there. Parking stickers are available free of charge from the security office upon presentation of your employee identification card. Cars without parking stickers or with improperly displayed stickers will be ticketed and towed. Please take note of the following: the yellow spaces near the door are reserved for management, and the blue spaces are for all other employees. The red spaces are reserved for maintenance vehicles. Employees or visitors parking in the red spaces with or without parking stickers will have their cars ticketed and towed.
How many levels are reserved for employee parking？
听力原文：Woman: What a handsome suit. I've never seen you wear it before. Did you buy it somewhere around here？
Man: No, I bought it when I was in Hong Kong last spring. The shoes, shirt, and tie I already had. Do you think they look good together？
Woman: They look very nice. The whole outfit looks great. That color tie really goes well with the suit. Did you get it in Hong Kong, too？ It's really unusual looking.
Man: No, I don't remember where I got the tie, but I make a point of buying all my suits when I go out of town. The suits at these local department stores are too expensive and, in my opinion, not very attractive.
Woman: I know what you mean. I don't much like going shopping around here, either. The choices are not very good.
What did the man buy？
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