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The first paragraph mainly tells us______. Which of the following pictures best tells the movements of warm air and cold air?
The first paragraph mainly tells us______. Which of the following pictures best tells the movements of warm air and cold air?
admin
2008-12-15
72
问题
The first paragraph mainly tells us______.
Which of the following pictures best tells the movements of warm air and cold air?
选项
A、
B、
C、
D、
答案
B
解析
根据第二段的第三句可知:热空气上升,冷空气取而代之,故选B。
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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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