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【单选题】
理想具有实践性,指理想( )。A.
在阶级社会里会打上阶级的烙印
B.
是一种纯粹的主观现象和静止的精神状态
C.
存在的内心深处，属于一种精神现象
D.
是处在特定历史条件下的人们对社会实践活动理性认识的结晶
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举一反三
【单选题】When using a mechanical(windup type)marine chronometer，how often should it be reset ().
A.
Only when it is overhauled
B.
Whenever the chronometer error exceeds approximately four minutes
C.
At the start of each voyage
D.
At the start of each voyage
E.
If the chronometer rate changes from gaining to losing or vice versa
【简答题】The type of hostage-taker that NY police officer cope with most often is those in ______.
【单选题】宫缩乏力性产后出血临床表现的描述 , 正确的是
A.
胎儿娩出后即见血液不断流出
B.
血色暗红无凝块
C.
宫缩时出血量增多
D.
胎盘未剥离前即出血不止，多伴有第三产程延长
E.
宫体较软，宫底不硬
【单选题】The type of contract (payment mechanism) chosen for a project is often a reflection of the degree of risk associated with completing that project. For a firm fixed price contract, payment for risk ___...
B.
Is accomplished by paying the actual costs to the contractor. B Is accomplished by paying the contractor for his costs plus a fixed fee (profit).
C.
Is an undisclosed contingency in the contractor's bid.
D.
Is accomplished by paying for the budgeted costs of dealing with risks, as predicted in the project risk assessment.
E.
B and
【简答题】The third type of skin cancer called melanoma is often caused by ______.
【简答题】生产管理人员应该具备技术技能与行为技能，技术技能包括（）技术和（）技术两个方面。
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