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【多选题】
工业企业费用的三大要素为( )。
A.
物质消耗中的劳动对象方面费用
B.
物质消耗中的活劳动方面的耗费
C.
物质消耗中的劳动手段方面费用
D.
非物质消耗,即活劳动方面费用
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举一反三
【判断题】含多种配体,命名原则是:先无机配体,后有机配体;先阴离子配体,后中性分子。
A.
正确
B.
错误
【单选题】大多数柴油机船舶海水淡化装置以______已为热源工作。
A.
主机活塞冷却水
B.
主机缸套冷却水
C.
废气锅炉产生的蒸汽
D.
发电机冷却水
【单选题】According to the passage, examining the kinds of questions research raises about mobility is______.
A.
not an ideal way to identify his or her disciplinary origin
B.
easier than noting the methods used and the concepts employed
C.
the only way to discern the disciplines he or she applied
D.
too difficult to be used in finding out his or her disciplinary origins
【单选题】— You’ve dropped ________ “s” in the word “necessary”. — Oh, ________ letter “s” is doubled.
A.
a; a
B.
a; the
C.
an; the
D.
the; the
【判断题】Generally speaking, lecture slides as an outline of the content, helpus identify the key topics and concepts in the lecture.
A.
正确
B.
错误
【单选题】According to the passage, examining the kinds of questions a researcher raises about mobility is ______.
A.
not an idem way to identify his or her disciplinary origins
B.
easier than noting the methods used and the concepts employed
C.
the only way to discern the disciplines he or she applied
D.
too difficult to be used in finding out his or her disciplinary origins
【单选题】大多数柴油机船舶海水淡化装置以()为热源工作。
A.
主机冷却水
B.
主机缸套冷却水
C.
废气锅炉产汽
D.
辅机(发电机)冷却水
【单选题】大多数柴油机船舶海水淡化装置以____为热源工作。
A.
主机活塞冷却水
B.
主机缸套冷却水
C.
废气锅炉产生的蒸汽
D.
发电机冷却水
【单选题】If the concept is “equations”, the maths teacher will write examples such as “3a+2b=7”,”14b-3=25” which are equations. The examples of”12-8”, “150>125” are not equation. This allows learners to identi...
A.
Role Play
B.
Matching
C.
Provide Examples and Non-Examples
D.
Attribute Classification
【判断题】在51单片机中,若外接晶振为6MHz,一个机器周期为2μs。
A.
正确
B.
错误
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