下列属于可经水传播的传染病是()。
A.霍乱
B.细菌性痢疾
C.水俣病
D.军团菌病
参考答案:A, B
Nicholas Chauvin, a French soldier, aired his veneration of Napoleon Bonaparte so ______ and unceasingly that he became the laughingstock of all people in Europe.
A. vociferously B. patriotically C. verbosely D. loquaciously
在新药的研制中,会使用到一项重要的统计学技术,以确定药物的有效性。这种方法是()。
A.抽象调查
B.双盲对照试验
C.统计质量控制
D.推断统计