听力原文:W: Let's talk about the preparations for the party.
M: Right. I think we really need to plan better and get things done in advance this time. Still remember what a mess it was at the last party?
Q: What do we know about the last party from the conversation?
(17)
A. It was pretty good.
B. It was rather dull.
C. It was not well organized.
D. It was attended by many people.
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We learn from the passage about Koch Industries that ______.
A. it signed contracts with others only on two issues
B. it believes markets can totally replace other forecasting techniques
C. its business includes goods trading, pesticide, fertilizers and chemical
D. it has applied prediction for less than a year
听力原文:M: You'll need 36 credit hours to get an M.A. degree. Fifteen must be from the English Department and fifteen from the Education Department. For the remaining six credit hours, you can either write a thesis or take two more optional courses.
W: Right now, this is very confusing to me, but I'm sure I'll know what to do as I learn more about it.
Q: What are they talking about?
(18)
A. Ways of getting extra credits.
B. All requirements of an M.A degree.
C. The credit hours required for a degree.
D. Taking more optional courses.
Different from animals, the trees influence the earth's atmosphere by ______.
A. expelling carbon dioxide from their leaves
B. expelling oxygen from their leaves
C. directly reduce the blanket of gases
D. turning some carbon dioxide into lignin
M: Well, the beaches are beautiful. But people there are terribly annoyed by the dirty air. I mean, the combination of fog, smoke and automobile exhaust. There is not enough wind to blow it away.
Q: What does the man think of Los Angeles?
(15)
A. The air is contaminated.
B. People there are exhausted.
C. It's too windy for swimming.
D. The beaches are dirty.