考研考试

【单选题】According to this passage, ______may result in the imbalance of bacteria in your intestines.
A. antibiotic treatment for an ear infection
B．taking pills which contain freeze-dried germs
C．eating yogurt or buttermilk
D．eating products made from fermented milk
网考网参考答案：A
网考网解析：
[试题分析] 细节题。 [详细解答] 根据第二段最后一句话Bat if the bad outnumber the good—for example，after antibiotic treatment for a sinus or an ear infection，which kills normal intestinal germs as well—the result can be diarrhea，我们可判断，A为正确答案。 查看试题解析出处>>