(2013·高考福建卷)Oldfashioned phones matter when wireless networks in disasters.
A. turn down
B. turn out
C. break down
D. break out
网友回答
A. turn down
B. turn out
(答案→)C. break down
D. break out
解析:选C。首先了解四个选项的汉语意思。turn down表示“调小;拒绝”;turn out表示“生产;结果是,证明是”;break down表示“出故障”;break out表示“(战争、疾病等的)爆发”。由题干中的关键信息oldfashioned phones matter和in disasters可知此处填break down“出故障”。本题的意思是:“在灾难中,当无线网络出故障时,老式手机就(显得)很重要了。”