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【单选题】
根据《驾驶、轮机联系制度》,下列哪些叙述正确? 1、船长应提前24小时将预计开航时间通知轮机长;2主机冲车前,值班驾驶员应征得轮 机员的同意;3、抵港后船长本船预计动态告知轮机长以便安排工作A.
1~3
B.
1、2
C.
2、3
D.
1、3
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举一反三
【多选题】支架预压的目的有哪些？
A.
检验基础的处理程度
B.
确保支架预压时，支架基础不失稳
C.
防止支架基础沉降导致现浇混凝土结构开裂
D.
检验支架的安全性
E.
收集施工沉降数据
【单选题】'Fixing the self' in the 6th paragraph probably means ______.
A.
staying firm on same position
B.
identifying one's role in a team
C.
standing out in performing important task
D.
excluding others from a team
【单选题】Maximizing profits also means that a firm is attempting to:
A.
. make as much output as possible.
B.
. change the market price.
C.
. produce at the output level where the difference between total revenue and total cost is the greatest.
D.
. produce below its break-even price.
【单选题】This is why managers in a construction firm for example get paid astronomically higher wages than the labourers Firm means the same as in sentence .
A.
a.The firm has agreed to make a donation of S10 , 000.
B.
b.Despite being hit by the car , the post was still firm .
C.
c.Our room is very clean , and the beds are very firm.
【多选题】支架预压的目的是( )
A.
A．消除支架、方木、模板非弹性变形
B.
检验支架整体稳定性
C.
消除支架弹性变形
D.
检验支架基础在荷载作用下的变形及承载能力。
E.
使桥梁线形符合设计要求，避免箱梁混凝土因支架不均匀沉降出现开裂。
【简答题】例举无黏性土和黏性土有哪些物理性质
【单选题】The manager ask us to firm order,the firm order means __ __ ?
A.
确认订货
B.
稳定订单
C.
确定指示
【简答题】偏振光通过光学活性物质的溶液时,其振动平面所旋转的角度叫做该物质溶液的 ,以 α 表示。
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