语法与词汇 20.Different cultures are more prone to______certain illnesses because of the food that is characteristic in these cultures.
【正确答案】 A
【答案解析】A项“contract感染”符合题意。其他三项“B项conduct引导，管理，传导；C项confine限制，禁闭；D项conquer征服，战胜”都不正确。本题的空格处是说感染某种疾病。因此A项为正确答案。