the ship has no rats or mice on board
no quarantinable disease has been found on the vessel
no person has died during the voyage the ship has just completed
all the crew members have no health problem
第1题：
The mere fact that free pratique has not been obtained ________ mean that the ship is not ready to load， if， in fact， free pratique can be obtained at any time and without the possibility of delaying the loading．
A.does not
B.is not
C.are not
D.has not
第2题：
The Quarantine officer told the master that the Certificate of Pratique shall become {null and void} if the ship calls at other foreign ports．
A.no disposal
B.ineffective
C.no result
D.no event
第3题：
This diploma _____ that you have completed high school.
[A] proves
[B] certifies
[C] secures
[D] approves
第4题：
Temporary Certificates of Inspection are effective until the ______.
A.SOLAS Certificate is issued
B.Loadline Certificate is renewed
C.classification society approval is issued
D.permanent Certificate of Inspection is issued
第5题：
The granting of radio pratique ______ the vessel only as far as the Port Officer of Health is concerned．
A.clear
B.clears
C.clearing
D.is cleared
第6题：
The certificate of pratique certifies that ______.
A.the ship has no rats or mice on board
B.no quarantinable disease has been found on the vessel
C.no person has died during the voyage the ship has just completed
D.all the crew members have no health problem
第7题：
In the event of any quarantinable disease breaking out during its currency，the certificate of pratique generally ______.
A.becomes null and void
B.remains effective
C.is to be extended
D.is to renewed
第8题：
In the event of any quarantinable diseases break out during its currency，this Certificate of Pratique shall become ________ ，and must be surrendered on demand to a quarantine officer．
A.void and null
B.null and void
C.useless
D.unusable
第9题：
The Certificate of pratique shall only have effect in ______.
A.all ports of the issuing country
B.all ports of the world
C.all ports other than a issuing country
D.all ports of ship's arrival
第10题：
The document that certifies the correctness of the load line marks on a ship is called the ______.
A.Certificate of Inspection
B.Load line certificate
C.Certificate of Documentation
D.SOLAS Certificate