“This certicate is valid for six months from the date of iss

The International Oil Pollution Prevention Certificate is valid for a period of

A.one year from the date of issue

B.five years from the date of issue

C.three years from the date of issue

D.four years from the date of issue

The Owners let，and the Charterers _______ the Vessel for a Period of six（6）calendar months（exact period at Charterers' option）commencing from the time of delivery of the Vessel．

A.borrow

B.use

C.hire

D.rent

How long has Katy been in Nepal?

A. eight months B. six months C. four months D. one moth

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！

The International Oil Pollution Prevention Certificate is valid for a period of______.

A.one year from the date of issue

B.five years from the date of issue

C.three years from the date of issue

D.four years from the date of issue

The horse latitudes are characterized by ______．

A.weak pressure gradients and light，variable winds

B.the formation of typhoons or hurricanes in certain seasons

C.steady winds in one direction for six months followed by wind reversal for the next six months

D.steady winds generally from the southeast in the Southern Hemisphere

He first entered the country on a six-month visa, and was given a further ______ of six months.

Aexpansion

Bextension

Cexpectation

Dexplosion