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【多选题】
构成实践活动的三个要素是( )A.
实践的主体
B.
实践的结果
C.
实践的中介
D.
实践的客体
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A.
81/1024
B.
27/1024
C.
27/512
D.
27/256
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【单选题】一盒中有4个大小形状一致的球，其中3个为红球，1个为白球，采用放回抽样，第5次取到第2个白球的概率为
A.
81/1024
B.
27/1024
C.
27/256
D.
27/512
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【单选题】一盒中有4个大小形状一致的球,其中3个为红球,1个为白球,采用有放回抽样,则第5次取到第2个白球的概率为
A.
81/1024
B.
27/1024
C.
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D.
135/512
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【单选题】听力原文：W: How was your vacation back home in the U. S. ? M: It was great. All I did was to play and rest and have a ton of fun. W: Where did you go? M: We went to the coast to see my cousin for a couple...
A.
In China.
B.
In the U.S.
C.
In New York City.
相关题目：
【单选题】一盒中有4个大小形状一致的球,其中3个为红球,1个为白球,采用有放回抽样,则第5次取到第2个白球的概率为
A.
81/1024
B.
27/1024
C.
27/256
D.
135/512