语法与词汇 21.It is believed that children of two or three years old are able to learn any language if they are______it.

A、 involved in
B、 indulged in
C、 disposed to
D、 exposed to

【正确答案】 D

【答案解析】本题考查动词短语辨析。involve sb．in(doing)sth．意为“使某人参加(或加入)”。indulge in sth．意为“沉迷，沉溺于……”。dispose sb．to／towards sth．意为“使某人倾向于，使某人有意于”。expose sb．to sth．意为“使某人接触(或体验)某事物，使某人受某事物的熏陶”，符合句意，故答案为[D]项。