【题目】Life is like a race ______ we compete with others to go beyond ourselves.
A．why B．what C．that D．where
在线课程【答案】D
【解析】句意：生活就像一场比赛，我们与别人竞争从而超越自己。分析句子，we compete with others to go beyond ourselves是定语从句，修饰限定a race，从句不缺成分，故关系词应是作状语，选关系副词，why表原因，与句意不符，故选D项。