考博考试

根据网考网考试中心的统计分析，以下试题在2019/5/8日考博习题练习中，答错率较高，为：89%
【单选题】 According to the passage, alcohol has something to do with bad breath mainly because ______.
A．it keeps offending bacteria from reproducing
B．its smell adds to bad breath
C．it kills some helpful bacteria
D．it affects the normal flow of saliva

网考网参考答案：D，答错率：89%
网考网试题解析：
文中第三段说Bad breath can happen whenever the normal flow of saliva slows，第四段说anything(包含前文提到的alcohol)that dries the mouth produces bad breath，可推断饮酒会影响唾液的正常流动，因此导致bad breath，选项D正确。 查看试题解析出处>>