单选题（），where the ship is docked for hull coating renewal, and for any other required underwater work to be carried out, when the opportunity is taken to make other repairs.A Voyage repairsB Routine dockingC Damage repairsD Conversion

If there are any Certificates expired or nearing expiry the master of a ship must shall apply for their ______ at any port．

A.inspection or issuance

B.requirements or renewal

C.renewal or extension

D.extension or expiring

When taking soundings on a ship，coating the tape with chalk helps to ______．

A.Better identify the correct reading

B.Show the depth of any water in an oil tank

C.Make the tape roll easier

D.Reduce possibility of sparks

We have stayed at Shanghai port for a long timeThe fouling on the ship’s hull greatly increases her _____.

A.power

B.speed

C.resistance

D.thrust force

材料：

A Passenger Ship Safety Certificate shall be issued for a period not exceeding 12 months．A Cargo Ship Safety Construction Certificate，Cargo Ship Safety Equipment Certificate and Cargo Ship Safety Radio Certificate shall be issued for a period specified by the Administration which shall not exceed five years．

An Exemption Certificate shall not be valid for longer than the period of the certificate to which it refers.

（i）When the renewal survey is completed within three months before the expiry date of the existing certificate，the new certificate shall be valid from the date of completion of the renewal survey to：

（1）for a passenger ship，a date not exceeding 12 months from the date of expiry of the existing certificate；

（2）for a cargo ship，a date not exceeding five years from the date of expiry of the existing certificate；

（ii）When the renewal survey is completed after the expiry date of the existing certificate，the new certificate shall be valid from the date of completion of the renewal survey to：

（1）for a passenger ship，a date not exceeding 12 months from the date of expiry of the existing certificate；

（2）for a cargo ship，a date not exceeding five years from the date of expiry of the existing certificate；

（iii）when the renewal survey is completed more than three months before the expiry date of the existing certificate，the new certificate shall be valid from the date of completion of the renewal survey to：

（1）for a passenger ship，a date not exceeding 12 months from the date of completion of the renewal survey；

（2）for a cargo ship，a date not exceeding five years from the date of completion of the renewal survey．

问题：

The valid period of an Exemption Certificate for Cargo Ship Safety Equipment Certificate shall be ________．

A.longer than five years

B.shorter than five years

C.longer than 12 months

D.shorter than 12 months

When the renewal survey is completed within one month before the expiry date of the existing Cargo Ship Safety Construction Certificate，the new certificate shall be valid ________．A.from the date of completion of the renewal survey to a date not exceeding 12 months from the date of expiry of the existing certificate

B.from the date of completion of the renewal survey to a date not exceeding five years from the date of expiry of the existing certificate

C.from the date of expiry of the existing certificate to a date not exceeding 12 months from the date

D.from the date of expiry of the existing certificate to a date not exceeding five years from the date

It can be concluded that the actual period of validity of a new Passenger Ship Safety Certificate is less than 12 months if the renewal survey is completed ________．A.4 months before its expiry date

B.3 months before its expiry date

C.2 months before its expiry date

D.after its expiry date

When the renewal survey is completed on a date which is 99 days before the expiry date of the existing Cargo Ship Safety Radio Certificate，the new certificate shall be valid ________．A.from the date of completion of the renewal survey to a date not exceeding 12 months from the date of expiry of the existing certificate

B.from the date of completion of the renewal survey to a date not exceeding five years from the date of expiry of the existing certificate

C.from the date of expiry of the existing certificate to a date not exceeding 12 months from the date

D.from the date of completion of the renewal survey to a date not exceeding five years from that date

请帮忙给出每个问题的正确答案和分析，谢谢！

Which statement about damage control is TRUE ________．

A.A hole in the hull at the waterline is more dangerous than a hole below the inner bottom

B.The amount of water entering a ship through a hole varies inversely to the area of the hole

C.Water flowing into a lower compartment on a ship is more dangerous than water on deck or flowing into an upper compartment

D.Water flowing over the forecastle bulwark is more dangerous than a hole in the hull at the waterline

To prevent a wooden hull from leaking you caulk it ______．

A.after drydocking，while the hull is moist

B.after drydocking，and the hull has dried

C.afloat，where it is leaking

D.afloat，in all accessible areas

______, where the ship is docked for hull coating renewal, and for any other required underwater work to be carried out, when the opportunity is taken to make other repairs.

A.Voyage repairs

B.Routine docking

C.Damage repairs

D.Conversion