基本信息
请看2006年天津高考英语试题中的第8小题和重庆第26小题：
Most of us know we should cut down on fat, but knowing such things isn’t of much help when it ____shopping and eating.
A. refers to B. speaks of
C. focuses on D. comes to
本题主要考查when it comes to (doing) sth. 其短语表示“当涉及（做）某事的情况、事情或问题时”；refer to“参考，提及”；speak of “说起”；focus on “注意，聚焦于，集中于”。因此本题应该选D。本题主要考查考生的动词短语意义的区别，另外refer to和come to中的to是介词
