The certificate of pratique certifies that ______.

题库:船长 类型:最佳选择题 时间:2019-02-14 17:22:46 免费下载:《甲类船长英语考证》Word试卷

The certificate of pratique certifies that ______.
A.the ship has no rats or mice on board
B.no quarantinable disease has been found onthe vessel
C.no person has died during the voyage the shiphas just completed
D.all the crew members have no health problem

本题关键词:白兰氏虫草菌丝体鸡精(BRAND′S ESSENCE OF CHICKEN WITH COEDYCEPS);