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【简答题】
已知一个几何体的三视图如图所示，试说出它的形状，并根据已知的数据求出这个几何体的侧面积和全面积．
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举一反三
【单选题】The discipline that studies the rules governing the formation of words into permissible sentences in languages is called ________.
A.
morphology
B.
syntax
C.
phonetics
D.
semantics
【简答题】The discipline that studies the rules governing the formation of words into permissible sentences in languages is called s（）
【简答题】The discipline that studies the rules governing the formation of words into permissible sentences in languages is called _______.
【简答题】为了验证在空气中放置一段时间后氢氧化钠固体变质，请你设计一个简单的实验操作步骤，并完成实验报告： 操作步骤 现象和结论
【单选题】Ethics is the discipline that examines one's moral standards, or the moral standards of a society.
A.
True
B.
False
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