【题目】If you are a traveler without a guide leading the way, you need to _________ a guide book for details of your journey.
A. refer to B. stick to
C. lead to D. add to
在线课程【答案】A
【解析】考查词组辨析 A. refer to 参考，查阅； B. stick to坚持；C. lead to 导致； D. add to增加；根据句意: 你需要参考一本旅游指南来了解你旅行的细节，故选A。