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外语
What led to the conversation?
What led to the conversation?
admin
2011-01-23
65
问题
What led to the conversation?
W: Did you hear the thunder last night?
M: Did I? It was really loud.
W: I didn’ t see any lightning, though. I thought that thunder and lightning always occur at the same time.
M: They do. It’ s no possible to have one without the other since thunder is a direct result of lightning.
W: Really?
M: Yes. Thunder is caused by the rapid expansion and contraction of highly heated air along the path of an electrical discharge.
W: In other words, lightning quickly heats the air and causes thunder. But if the lightning is there, why can’t we see it?
M: Because it sometimes occurs very high in the clouds.
W: I wonder if it’ s possible to see the lightning and not to hear the thunder.
M: Yes. It’ s possible if the lightning flashes far enough away. Sound doesn’ t travel as far as light.
选项
A、A recent local storm.
B、A recent radio program.
C、A course the speakers are taking.
D、Research being done by one of the speakers.
答案
A
解析
转载请注明原文地址:https://kaotiyun.com/show/R73d777K
本试题收录于:
公共英语三级笔试题库公共英语(PETS)分类
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公共英语(PETS)
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