题目内容
根据《UCP500》规定，若信用证在货物数量方面有伸缩，而金额方面没有，该证货物总值则不能超过信用证金额。 ()
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听力原文：M: Good morning. May I help you？
W: Yes, I want to find out about the bus service between here and my home in Detroit. I came here last week by train, but I think I want to return by bus. I like to try different ways of traveling.
M: I'll try to help you. Here is our schedule. It shows that we have eight buses a day that leave Cleveland for Detroit. I think you'll find that the service is cheaper than the train's.
W: Yes, it looks as though the tickets are quite a bit cheaper than the train tickets. Why is that？
M: The bus trip takes a little longer than the train trip, and we don't have a dining car or a lounge. We do have a rest room, however, and the bus is air-conditioned. The trip should be comfortable.
W: How long is the trip？
M: We have an express bus that takes a little more than three hours, and we have a bus that stops at several cities along the way. It's cheaper, but it takes a little more than four hours. If you don't mind the extra traveling time, it's our best bargain. W: Can I use my return ticket from the train to pay for my bus ticket？
M: No, you'll have to take that ticket back to the train station. That's different company. They'll give you your money back, and then you can buy a ticket from me here for the bus.
W: Thank you, I want to talk this over with my aunt and uncle before I decide. I appreciate your help.
M: You're welcome.
Where does this conversation take place？
下列选项中，()是判定是否存在缔约过失责任的关键。
2010年7月6日，某建筑公司的司机将自己所驾驶的该建筑公司运送沥青混凝土的运输车开进了施工现场附近的一条小河里进行清洗，该行为()。
A．usedB．workedC．practicedD．operated
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