分析 本文是一篇科教类阅读.介绍了研究人员开发的咖啡分析仪能够帮助咖啡种植者分辨咖啡的好坏,但传统的方法不能分辨咖啡中相似的化合物.所以Kenneth Suslick和他的同事们改进了电子鼻,使它可以区分不同品牌的咖啡.而且改进的电子鼻比之前的电子鼻更准确.
解答 32-35 BACD
32.B.推理判断题.根据"The advance could help growers determine within minutes whether a particular batch of coffee is just as good as the previous one or whether it's undrinkable."可知研究人员开发的咖啡分析仪最可能被咖啡种植者使用.故选B.
33.A.细节理解题.根据"Traditional methods of chemical analysis generally have difficulty distinguishing between compounds that are very similar to one another.And"electronic noses,"an array of dyes,and other devices that change color or chemical properties when they react with certain molecules suffer from the same drawback."可知"electronic noses"和传统的方法一样不能分辨相似的化合物.故选A.
34.C.细节理解题.根据"The important thing is that we can easily tell the difference between different roastings and coffees,"notes Suslick."可知Kenneth Suslick和他的同事们改进的电子鼻可以区分不同品牌的咖啡.故选C.
35.D.推理判断题.根据"The device produced a pattern of colors as each coffee's mixture of volatile (易蒸发的)compounds interacted with the dyes."并联系上下文可知改进的电子鼻比之前的电子鼻更准确.故选D.
点评 本文是一篇科教类阅读.此类题目主要考查学生的细节理解和推理判断能力.细节理解题是针对文中某个细节、某句话或某部分具体内容设置问题,所以在做细节理解题时要结合原文和提干有针对性的找出相关语句进行仔细分析,再结合选项选出正确答案.在做推理判断题时不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.
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