第17题: [单项选择]It is believed that children of two or three years old are able to learn any language if the yare ______ it. A. involved in B. indulged in C. disposed to D. exposed to 参考答案:D 答案解析:involve sb.in sth.意指“使某人参与某活动或陷入某情况,表明某人与(某罪行)有关联”;indulge in sth.指“让自己尽情享受某事物”;dispose sb.to sth.指“