She woke him for his medicines ( ) throughout the night.
She woke him for his medicines ( ) throughout the night.
A、at large
B、at intervals
C、at ease
D、at random
【正确答案】:B
【题目解析】:本题考查介词短语辨析。at large“整个地”, at intervals“每隔一段时间“, at ease”舒适地”, at random“随机地”。句意:她夜里每隔一段时间就叫他起来服药。故选B。
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