皮皮学,免费搜题
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【单选题】
畸形工件以(    )表面作为定位基准时,该面与花盘或角铁应接触且该三点间距尽可能地大,各点与工件的接触面积则应尽可能地小。
A.
已加工    
B.
待加工    
C.
加工    
D.
毛坯
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举一反三
【多选题】Select the items related to Carthage
A.
Carthage was an ancient name of a Phoenician colony.
B.
The city of Carthage was located on the coast of south Africa.
C.
According to the Aeneid, Queen Dido was the founder of the city of Carthage.
D.
Carthage was a powerful enemy the Romans had to deal with in their expansion in the Mediterrenean.
【多选题】The items related to penicillin are
A.
discovered by Alexander Fleming
B.
isolated by Howard Florey
C.
isolated by Ernst Chain
D.
effective against bacterial infections
E.
ineffective against viral infections
【判断题】平行线变换为投影面垂直线时,新投影轴的设立要垂直于反映直线实长的投影。
A.
正确
B.
错误
【单选题】下列各项中,关于周转材料会计处理表述不正确的是 ( )
A.
多次使用的包装物应根据使用次数分次进行 摊 销
B.
低值易耗品金额较小的可在领用时一次计入成本费用
C.
随同商品销售出借的包装物的摊销额应计入管理费用
D.
随同商品出售单独计价的包装物取得的收入应计入其他业务收入
【单选题】直线的投影变换中,平行线变换为投影面(  )时,新投影轴的设立原则是新投影轴垂直于反映直线实长的投影。
A.
倾斜线
B.
垂直线
C.
一般位置线
D.
平行线
【多选题】The items related to Hippocrates are
A.
the “Father of Western Medicine”
B.
the founder of the Hippocratic School of Medicine
C.
the inventor of the Hippocratic Oath for physicians
D.
a Greek physician
E.
an Egyptian physician
【多选题】Select the items related to Carthage:
A.
Carthage is an ancient name of a Phoenician colony.
B.
The city of Carthage was located on the coast of south Africa.
C.
According to the Aeneid, Queen Dido was the founder of the city of Carthage.
D.
Carthage was a powerful enemy the Romans had to deal with in their expansion in the Mediterranean.
【多选题】生产要素指生产过程中能帮助生产的各种手段,它包括
A.
资本
B.
土地
C.
劳动
D.
企业家才能
【判断题】平行线变换为投影面垂直线时,新投影轴的设立要平行于反映直线实长的投影。
A.
正确
B.
错误
【多选题】生产要素指生产过程中能帮助生产的各种手段,它包括
A.
企业家才能
B.
资本
C.
劳动
D.
土地
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