评论
打印
参考答案：
【小题20】D
【小题21】A
【小题22】B
习题解析：
【小题20】听力原文中明确提到 Cosmetic or plastic surgery often evokes images of famous personalities wanting to alter their appearances through elective surgical procedures.即整容手术常常会令人们联想到那些想要通过非必要外科整形手术来改变自己外貌的名人，故选项 D 为答案。另外，本题也可根据一般生活常识判断，非必要的外科整形都是为了改善外貌，变得更好。
【小题21】听力原文中提到 In addition to the care they provide, these volunteer specialists also provide training to health care workers in these procedures so that local hospitals, nurses, and doctors can become self-sufficient.由此可知，除了给发展中国家的病人提供医疗服务外，这些专家志愿者还为医护工作者提供相关的培训，从而使得当地的医院、护士和医生能够自给自足，故选项 A 为答案。
【小题22】听力原文中明确提到 the health care worker who performs the procedure perhaps feels a greater understanding and compassion for those who suffer from such defects，由此可知，实施手术的医护工作者可能会更加理解与同情患有这些缺陷的人，故选项 B 为答案。
