[解析]
(1)细节理解题。根据第一段A Westview High School student Kara Fan was named "America's Top Young Scientist" by 3 M for creating a liquid (液体) bandage last October.(去年10月,西景高中的学生卡拉•范因发明一种液体绷带而被3 M公司评为"美国最佳青年科学家")可知,Fan的发明是一种新型绷带。在根据第三段第一句和第二句A traditional bandage is a thin piece of cloth which you tie around a wound.But Fan's new creation is liquid.(传统的绷带是用一块薄布绑在伤口上。但Fan的新发明是液态的)可知,Fan发明的液体绷带是用来处理伤口的,文中未提及选项A中的液体清洁场景和选项B中的想要洗衣服的场景,以及选项C中检测抗生素的场景,可知Fan的发明可以在简单医疗处理场景中使用,故选D项。
(2)细节理解题。根据第四段第二句Fan said they first paired up to compete in a few challenges that showed how well they worked with others. (Fan说,他们最初是在几个挑战中结成搭档来表明他们与他人合作得很好)可知,前两天的比赛通过组队方式考验选手的团队合作能力,可知决赛选手在明尼苏达州的前两天通过团队合作参加比赛。故选C项。
(3)细节理解题。根据倒数第三段Fan said her attention was drawn to these drugs a few years ago,when her grandmother became very ill and was "saved by antibiotics".(Fan说,几年前她的祖母病得很重,"抗生素救了她",她开始关注这些药物)可知,祖母的病因抗生素而起死回生,可知Fan对抗生素感兴趣是源于祖母生病,故选C项。
(4)推理判断题。根据第六段第一句和第二句Our communities want science to solve the world's hardest challenges.This year's finalists have truly encouraged us to solve real﹣world problems(我们的组织希望用科学来解决世界上最困难的挑战。今年的入围者真的鼓励我们去解决现实世界的问题)可知,Rutherford是在赞扬今年的入围者的卓越成就,坚定了他们解决现实问题的信心,并不仅是表达她的强烈愿望,因此选项A符合文意,排除选项B。再者,根据第六段最后一句We believe they will do more on their continued journey.(我们相信,他们将在未来的旅程中做得更多)可知,Rutherford依旧是在赞扬入围者,认为他们未来可期,前程远大。可知Rutherford在第6段中表达了她对决赛选手成绩的赞扬。故选A项。