Question

【题目】An artist who was recently traveling on a ferry to the southern island discovered ________ a long lost antique Greek vase.

A.at randomB.by chance

C.in turnD.on occasion

Answer 1

【答案】B

【解析】

试题考查介词短语的含义。at random任意地，随机地；by chance偶然地；in turn 依次，轮流，反而；on occasion有时，偶然。句意：最近，乘渡轮去南部岛屿旅游的一位艺术家发现了一个失传已久的希腊花瓶。