I heard the clock eight when I woke up this morning.
A. beating
B. striking
C. hitting
D. knocking
网友回答
A. beating
(答案→)B. striking
C. hitting
D. knocking
解析：考查when和hear的用法和同义词辨析，意思“当……时候”，后面跟短暂性动词，hear sb do sth表示听到某人做某事；hear sb doing sth听到某人正在做某事。Beating普通用词，含义广泛。指连续打击。游戏、竞赛、战争中做打败解；striking 普通用词，多指激素或突然猛击；hitting普通用词，常与strike互换，侧重有目标的猛击，强调用力击中；knocking只用手轻敲某物。句子意思“当我早晨起床时，我听到闹钟再敲八点的铃”，所以选B