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【单选题】
建筑剖面图的剖切符号应标注在( )A.
底层平面图中
B.
二层平面图中
C.
顶层平面图中
D.
中间层平面图中
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举一反三
【简答题】1897年英国物理学家汤姆逊(J、J Thomson)在进行阴极射线测定时候，发现阴极射线与氢离子电荷相反，但质量要比氢离子小1000多倍。后来人们把这种阴极射线微粒称为() A中子 B电子 C质子
【简答题】报告适用于向上级机关( )、( ),答复上级机关的询问。
【单选题】听力原文： Every student of American history knows that George Washington, John Adams, and Thomas Jefferson were the first three Presidents of the United States, but what else do they know about these inte...
A.
Washington, Adams arid Jefferson are most famous in the history of the United States.
B.
Washington, Adams and Jefferson had many different interests.
C.
Washington, Adams and Jefferson returned home after they were retired.
D.
Washington, Adams and Jefferson were the first three Presidents.
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