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【多选题】
地震波与其它波的最大区别在于A.
地震波频率高于电磁波
B.
地震波传播的介质是地下岩石
C.
地震波可以在地球介质内部及其表面传播
D.
地震波的传播速度比声波慢
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举一反三
【简答题】Why, according to the author, have Western philosophers failed to make clear the meaning of life?
【简答题】These children have never exposed to Western culture.
【单选题】Why did the author study the western canon?
A.
Because she wanted to emigrate to America.
B.
Because she wanted to understand better Western civilization and American society .
【简答题】Why does the author give a series of examples of the problems in western society in the last paragraph?
【简答题】完成农业专家预警系统的需求分析文档
【单选题】Why we have to know something about the Western holidays?
A.
For better communication with foreigners.
B.
To respect different cultures between Chinese and Westerns.
C.
To know more history about Western countries.
D.
All above
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