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【单选题】
作用在一个刚体上的两个力FA、FB，满足FA=－FB的条件，则该二力可能是A.
作用力和反作用力或一对平衡的力
B.
一对平衡的一个力偶
C.
一对平衡的一个一个力偶
D.
作用力和反作用力或一个力偶
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皮皮学刷刷变学霸
举一反三
【简答题】年终结账时，应在&ldquo本年合计&rdquo下面通栏划双红线。 ( )
【单选题】Newspaper publishers in the United States have long been enthusiastic users and distributors of weather maps. Although some newspapers that had carried the United States Weather Bureau's national weat...
A.
The differences between government and newspaper weather forecasting in the United States.
B.
The history of publishing weather maps in United States newspapers
C.
A comparison of regional and national weather reporting in the United States.
D.
Information that forms the basis for weather forecasting in the United States
【单选题】But even notoriously conservative newspaper publishers recognize that the Web is a radical and ______ publishing medium.
A.
vigorous
B.
aggressive
C.
violent
D.
powerful
【简答题】根据所讲内容,完成特异构成一幅 要求: 1画面要有一定的创新; 2表现方式不限,规格:25cm×25cm, 黑白稿。
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