第27题: [单项选择]Doctors are interested in using lasers as a surgical tool in operations on people who are______to heart attack. A. prone B. disposed C. infectious D. accessible 参考答案:A 答案解析:[解析] 医生有意于使用激光给心脏病患者动手术。 [解析] 考查动词辨析。be prone to“易于......的,很可能......的”,强调一种倾向性;dispose“使易于,使易