【题目】With computers replacing humans in many industries, there have been many reports in recent years _____ warn of future job losses.
A.whenB.whereC.whichD.as
在线课程【答案】C
【解析】
考查关系代词。句意：随着电脑在许多行业取代人类，近年来有很多报告警告未来可能会出现失业现象。分析句子可知， many reports为先行词，在后面的定语从句中作主语，所以关系代词为which。故选C项。