A. finding the subgroup of the virus B. developing a cure C. keeping his patients apart from others D. reporting the outbreak to W. H. O. 参考答案:D 答案解析:解析:由第二段第四句话Then he reported the outbreak to the World Health Organization in Geneva可知。
第28题:[单选题]All fish in the consignment have been in approved export premises for ____days prior to exporting to Australia. A.7 B.14 C.30 D.60 参考答案:B 培训教材《主要贸易国家或地区水生动物检疫卫生及签证要求》