Which of the following allows multiple

1、Which of the following represents the

Which of the following represents the maximum percent of oxygen by volume required to be achieved by a ship’s inert gas system, prior to the commencement of crude oil tank washing?（）A6%B8%C10%D12%

2、Of which of the following did the auth

Of which of the following did the author provide a guardedly optimistic view?A［A］GDP growth.B［B］The number of layoffs.C［C］Price indexes.D［D］Output of consumer goods.

3、Which of the following is true of the

Which of the following is true of the OECD report?AIt criticizes government-funded research.BIt introduces an effective means of publication.CIt upsets profit-making journal publishers.DIt benefits scientific research considerably.

4、Which of the following DB2 tools allow

Which of the following DB2 tools allows a user to execute an SQL statement and view a graphical representation of the access plan?（）ATask CenterBCommand EditorCDeveloper WorkbenchDCommand Line Processor

5、Which of the following represents the

Which of the following represents the emergency signal for fire aboard ship?（）AMore than six short blasts and one long blast on the whistleBC...

6、Which of the following layers of the T

Which of the following layers of the TCP/IP model most closely corresponds to the network layer of the OSI model?（）AApplicationBInternetCTransportDNetworkEData Link