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外语
What is the woman studying?
What is the woman studying?
admin
2009-10-15
66
问题
What is the woman studying?
M: What are you looking for?
W: We’re studying the basic structure of molecules.
M: Just any molecules? There are quite a few of them!
W: Yes, far too many. We’re only working with certain molecules that contain carbon and hydrogen.
M: What do you expect to learn from that?
W: We’re trying to see the kinds of carbon molecules in which we can use silicon as a substitute.
M: What difference would that make?
W: Silicon has a lot of the same properties as carbon, hut it’s much more common than carbon.
M: Oh, I see.
选项
A、The kinds of molecules in which carbon may be replaced by silicon.
B、The importance of silicon.
C、The difference between molecules and silicon.
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/Y65d777K
本试题收录于:
公共英语二级笔试题库公共英语(PETS)分类
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公共英语二级笔试
公共英语(PETS)
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