问题
选择题
The habit is something that someone does repeatedly and often does not ________ because they have done it so many times before.
A．know
B．understand
C．experience
D．realize
答案
答案：D
答案：D 考查动词辨析。句意为：习惯是人们不断重复却通常没有意识到的行为，因为他们曾经做过多次了。know意为“知道，懂得”；understand意为“理解”；experience意为“经历，体验”；realize意为“意识到”。根据句意可知，D项正确。