[单选题] Which of the following is true? .

1、[单选题]The MARPOL Convention is the main international convention .

• A、about marine pollution prevention
• B、 covering marine protection of life
• C、 about marine
• D、 about ship and port security

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2、[单选题]The responsibilities of the engineer officer in charge of the watch do not include________ .

• A、to ensure the main propulsion plant are kept under constant surveillance
• B、 to ensure the auxiliary systems are kept under constant surveillance
• C、 to inspect the steering gear spaces at suitable intervals
• D、 to inspect and overhaul the equipments in his charge

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3、[单选题]In deciding to detain a ship or not, the PSCO would better not_______ .

• A、make his decision independently
• B、 request the owner’ s representative to provide proposals
• C、 cooperate with the flag State Administration’ s representatives
• D、 consult the organization responsible for issuing the relevant certificates

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4、[单选题]Which of the following about ISM Code is not right? .

• A、It aims to ensure safety at sea
• B、 It aims to avoid damage to the environment
• C、 It aims to prevent human injury or loss of life
• D、 It aims to provide a method to run a company

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5、[单选题]The abbreviation "GM" is used to represent the _____.

• A、height of the metacenter
• B、 fighting arm
• C、 righting moment
• D、 metacentric height

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