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【单选题】
商品价值量与劳动生产率的关系是( )。A.
价值量同劳动生产率成反比
B.
价值量同劳动生产率成正比 c．劳动生产率提高时价值量不变 D．劳动生产率降低时价值量不变
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】______must control the spark and timing of the spark plug firing to match varying engine requirements.
A.
the battery system
B.
the starting system
C.
the cooling system
D.
the charging system
【单选题】_______must control the spark and timing of the spark plug firing to match varying engine requirements.
A.
The lubrication system
B.
The cooling system
C.
The starting system
D.
The ignition system
【简答题】It must increase battery voltage to a point where it will overcome the resistance offered by the spark plug gap and fire the plug.
【简答题】发展的实质是（ ）。
【单选题】患者,男,47岁。患者每天反复说:“你是医生...医生...医生...,请你给我看病...看病...看病...我要回家...回家...回家...”。该症状可能是
A.
持续语言
B.
刻板语音
C.
重复言语
D.
模仿语言
E.
病理性赘述
【简答题】翻译句子:The automotive ignition system has two basic functions; it must control the spark and timing of the spark plug firing to match varying engine requirements.
【单选题】_______must increase battery voltage to a point where it will overcome the resistance offered by the spark plug gap and fire the plug.
A.
The lubrication system
B.
The ignition system
C.
The cooling system
D.
The starting system
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