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[originaltext]M: Hi, Sue. Where have you been?W: Oh, hi, Dan. I was just at th
[originaltext]M: Hi, Sue. Where have you been?W: Oh, hi, Dan. I was just at th
游客
2023-09-05
17
管理
问题
M: Hi, Sue. Where have you been?
W: Oh, hi, Dan. I was just at the library. I have to hand in my biology paper tomorrow.
M: Tomorrow? Oh, no! I thought it wasn’t due till Monday.
W: Oh, don’t worry. It is due Monday. But I’m going away for the weekend and won’t be back till Monday night.
M: Oh, where are you going?
W: California. We’re having a family reunion. It’s my grandmother’s ninetieth birthday. So all the cousins and aunts and uncles are going. She planned the whole thing herself.
M: Wow, that’s great. How many people will be there?
W: Around sixty. My family is big and spread out but we’re pretty close. So have you started working on your biology paper?
M: Yeah, I’m doing it on bees and how they’re able to recognize whether another bee is related to them.
W: How can they tell?
M: They use their sense of smell. The sweat bees guard their nests this way. If another bee approaches the nest, the guard determines if the new bee is familiar. If it is, it’s allowed to enter.
W: Interesting. Can other insects do this?
M: Well, the paper wasps can. Each wasp nest has a special combination of plant fibers and so the wasps that live there have a unique smell. Those two are the only kinds I’ve read about so far.
W: Well, you’ve still got time. It sounds like the bees are picky about who comes to their family reunion.
Questions 19 to 22 are based on the conversation you have just heard.
19. What is the relationship between the speakers?
20. Why was the man worried at first?
21. According to the man, what do some bees use their sense of smell for?
22. What will the man probably do over the weekend?
选项
A、To identify kinds of honey.
B、To identify relatives.
C、To find their way back to the nest.
D、To locate plant fibers.
答案
B
解析
选项均以不定式开头表明,本题考查行为目的。由男士提到的I’m doing it on bees and how they...recognize whether another bee is related to them和They use their sense of smell可知,蜜蜂用嗅觉来辨别它们的relatives,故答案为[B]。
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