Question

【题目】If there were only one case, that could be an accident or , but there are three cases within the last ten months.

A. coincidence B. opportunity C. mistake D. misfortune

Answer 1

【答案】A

【解析】句意：如果只有一种情况，那可能是意外或巧合，但在过去的十个月里有三起病例了。coincidence巧合；opportunity机会；mistake错误；misfortune不幸，灾祸。根据句意可知这里应选A。