In those days our primary ______ was to provide people who were trapped in the snowstorm with food and healthcare.A.anxietyB.concernC.incidentD.doubt
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B解析试题分析：考查名词辨析。A.anxiety焦虑，焦急B.concern关心，关注，担心C.incident事件，事变；小插曲；敌对行动D.doubt怀疑。句意：在那些日子里，我们主要关心的是为那些在暴风雪被困的人提供食品和医疗保健。考点：考查名词辨析。
点评：名词词义辨析平时要加强识记，把握好它们的基本含义。根据上下文的语境来进行，放在上下文中去辨析理解。即学即练：According to a UN report , 30 percent of the world population ahve no to clean drinking water and health care.A. means B. approach C. channel D. access选D