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听力原文：W: Are you glad that you're studying computer science？
M: Yes, indeed. I had wanted to major in either physics, chemistry, or mathematics. But I have changed my mind.
Q: What is the man's major now？
(18)
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The passage gives a general description of the suggestions to reconstruct New Orleans after Hurricane Katrina.
听力原文：W: Is this the bookcase yon advertised？
M: Yes, it's our regular $9.50 bookcase. These are the last two. If you can use them both, you can have them for $15.
Q: How much can she save if she buys the two bookcases？
(17)
A．Being confident.B．Looking pretty.C．Having hotel experience.D．Having a quick mind.
下列关于劳动教养的说法,B的是()。
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