Question

【题目】The maths problem looked________ but David took an hour to solve it.

A. serious B. simple

C. silly D. boring

Answer 1

【答案】B

【解析】句意：这个数学题看起来简单，但是David花费了一个小时才解决了它。serious严重的，认真的；simple简单的；silly愚蠢的，傻的；boring令人厌烦的。根据句意but David took an hour to solve it可知，这个数学题看起来是简单的，故应选B。