Question

As soon as his teacher begins lecturing, he begins to doze off, not intentionally but _______.

A．personally

B．randomly

C．habitually

D．unconditionally

Answer 1

C

试题分析：考察副词词义辨析。A就个人而言；B胡乱地；C习惯地；惯常地；D无条件地；句意：老师一开始上课，他就开始打瞌睡，这不是有意地，这是他习惯如此。根据句意说明c 正确。
点评：副词的词义辨析要放在上下文的语境中进行，要注意上下文的语义的串联以及逻辑关系的推理，特别要注意一些副词的固定搭配如think highly of等。