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外语
A、It has numerous traits in common with the spotted owl. B、Its population is increasing. C、It may not survive without special ef
A、It has numerous traits in common with the spotted owl. B、Its population is increasing. C、It may not survive without special ef
admin
2012-06-20
84
问题
W: Hi, Bill, how is it going?
M: Oh, hi, Jane. I’m OK. How about you?
W: You can probably tell just by looking at me. I’m really busy. Hey, what are you reading?
M: A pretty interesting article. My biology professor assigned it, and I thought I would just look it over. But I got really involved in it. It’s about endangered species.
W: That sounds pretty interesting. I’m getting frustrated with the two research papers I’m struggling with.
M:Oh?
W: And can you believe they are both due on the same day?
M: That’s tough.
W: I’ll get through it. So what’s this you are reading?
M: Well, it’s basically about the choices conservationists are faced with, you know, these days when funding is so hard to come by.
W: Wait a minute. Does it focus on biology or economics?
M: Both. Conservationists don’t have enough funding to save every endangered species in the world, so they have to decide based on what would be lost if a species became extinct.
W: Can you give me an example of what you mean?
M: Take for instance, two animals, the spotted owl and the tailed toad. The article says the toad is unique. It has no relatives. But there are a lot of varieties of owls.
W: So, if that toad became extinct, we’d lose an important link in the chain of evolution, right?
M: Exactly. But that isn’t so for the owl. So for conservationists, it might be a clear choice which
animal to save.
W: I see. I am glad I don’t have to make that kind of decision. Aren’t you?
Questions 23 to 25 are based on the conversation you have just heard.
23. Why does the woman say she’s frustrated?
24. What problems do conservationists have?
25. What can be inferred about the tailed toad?
选项
A、It has numerous traits in common with the spotted owl.
B、Its population is increasing.
C、It may not survive without special efforts of conservationists.
D、Its role in the chain of evolution has not yet been examined.
答案
C
解析
选项表明本题与It的情况有关。对话中男士提到the toad is unique,并且濒临灭绝,因此若没有专门的挽救措施,它们可能存活不了,故答案为[C]。从对话中the toad is unique.It has no relatives 可知[A]与此矛盾,故先排除。toad濒临灭绝,所以不可能数量上涨,故排除[B]。从对话we’d lose an important link in the chain of evolution可知,toad在进化链中很重要,所以排除[D]。
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大学英语四级
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