The woman and the man are classmates.

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问题 The woman and the man are classmates.
  
M:Hi, Kelly. Where have you been?
W:Oh. Hi, David. 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 Tuesday.
W:Oh. Don’t worry.It is due Tuesday, but I’m going away for the weekend and won’t be back till Tuesday night.
M:Oh, where are you going?
W:San Francisco. We’re having a family reunion.It’s my grandmother’s ninetieth birthday.So all the cousins and aunts and uncles are going.
My grandmother 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 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 bees are picky about who comes to their family reunion.

选项 A、True
B、False

答案B

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