Chief foreman，you are requested to instruct all stevedores boarding the ship that no smoking is（）in the holds during loading．

A、allowed

B、forbidden

C、approved

D、disliked

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更多“Chief foreman，you are requested to instruct all stevedores boarding the ship that no smoking is（）in the holds during loading．”相关的问题

第1题

[单选题] Chief foreman, you are requested to instruct all stevedores boarding the ship that no smoking is（）in the holds during loading.

A、allowed B、forbidden C、approved D、disliked

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第2题

[单选题] Do you know（）?

A、where is the chief officer B、where the chief officer is C、is where the chief officer D、where the chief officer

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第3题

[单选题] You have an SQL query that takes one minute to execute. You use the following code segment to execute the SQL query asynchronously.IAsyncResult ar = cmd.BeginExecuteReader（　）;You need to execute a method named Do Work（　） that takes one second to run while the SQL query is executing. DoWork（　） must run as many times as possible while the SQL query is executing. Which code segment should you use? （）

A、while（ar.AsyncWaitHandle==null）{DoWork（）；}dr=cmd.EndExecuteReader（ar）； B、while（!ar.IsCompleted）{DoWork（）；}dr=cmd.EndExecuteReader（ar）； C、while（Thread.CurrentThread.ThreadState==ThreadState.Running）{DoWork（）；}dr=cmd.EndExecuteReader（ar）； D、while（!ar.AsyncWaitHandle.WaitOne（））{DoWork（）；}dr=cmd.EndExecuteReader（ar）；

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第4题

[单选题] You have an SQL query that takes one minute to execute. You use the following code segment to execute the SQL query asynchronously.Dim ar As IAsyncResult = cmd.BeginExecuteReader（　）You need to execute a method named DoWork（　） that takes one second to run while the SQL query is executing. DoWork（　） must run as many times as possible while the SQL query is executing. Which code segment should you use?（）

A、While ar.AsyncWaitHandle Is Nothing DoWork()End Whiledr = cmd.EndExecuteReader(ar) B、While Not ar.IsCompleted DoWork()End Whiledr = cmd.EndExecuteReader(ar) C、While T hread.CurrentThread.ThreadState = ThreadState.Running DoWork()End Whiledr = cmd.EndExecuteReader(ar) D、While Not ar.AsyncWaitHandle.WaitOne() DoWork()End Whiledr = cmd.EndExecuteReader(ar)

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第5题

[] Do you know（）?

A、A.where is the chief officer B、B.where the chief officer is C、C.is where the chief officer D、D.the chief officer is where

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第6题

[] Do you know（）.

A、A.Where is the chief officer B、B.Where the chief officer is C、C.Is where the chief officer D、D.The chief officer is where

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第7题

[单选题] -How do you do, Chief Officer! -（）

A、How are you? B、Fine, thank you. C、How do you do? D、Not at all.