- 搜標(biāo)題
- 搜題干
- 搜選項
單項選擇題
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
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