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【单选题】
下列物质的类别与所含官能团都表达错误的是(  )
A.
醇类-OH
B.
CH 3 CH 2 CH 2 COOH               羧酸-COOH
C.
醛类-CHO
D.
CH 3 -O-CH 3 醚类
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参考答案:
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A.
正确
B.
错误
【单选题】石油又称原油,是多种()的混合物。
A.
碳氢化合物
B.
氢氧化合物
C.
氮氧化合物
D.
碳氧化合物
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【单选题】以下不属于管理会计主要职能的是
A.
核算
B.
预测
C.
控制
D.
决策
【单选题】下列各项中不属于管理会计的职能作用的是()。
A.
为决策提供客观可靠信息
B.
制定计划编制预算
C.
实施经营计划,评价业绩实施控制
D.
定期编制财务报告,为企业外部有关利益团体提供其据以决策上的有关信息
【单选题】2018 年冬奥会的开幕式和闭幕式上,英特尔放飞了多少架无人机?
A.
2018
B.
2000
C.
1218
【单选题】以下不属于管理会计的控制职能的是( )。
A.
预算管理
B.
标准成本
C.
责任会计
D.
核评价经营业绩
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