A light sleeper is usually very ______ to any sound even as inaudible as the hum

游客2025-05-08 15

问题 A light sleeper is usually very ______ to any sound even as inaudible as the humming of a mosquito.

选项 A、acute
B、keen
C、alert
D、immune

答案 C

解析 alert机警的，机敏的，be alert to为固定短语，对…很警觉。acute与keen都有“敏锐”之意(如目光、思维等)。immune免疫的。

转载请注明原文地址:https://www.tihaiku.com/zcyy/4067499.html

相关试题推荐

随机试题

最新回复(0)

Personalityistoalargeextentinherent--A-typeparentsusuallybringabou