分析 本文是一篇科教類閱讀.介紹了研究人員開發的咖啡分析儀能夠幫助咖啡種植者分辨咖啡的好壞,但傳統的方法不能分辨咖啡中相似的化合物.所以Kenneth Suslick和他的同事們改進了電子鼻,使它可以區分不同品牌的咖啡.而且改進的電子鼻比之前的電子鼻更準確.
解答 32-35 BACD
32.B.推理判斷題.根據"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."可知研究人員開發的咖啡分析儀最可能被咖啡種植者使用.故選B.
33.A.細節理解題.根據"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"和傳統的方法一樣不能分辨相似的化合物.故選A.
34.C.細節理解題.根據"The important thing is that we can easily tell the difference between different roastings and coffees,"notes Suslick."可知Kenneth Suslick和他的同事們改進的電子鼻可以區分不同品牌的咖啡.故選C.
35.D.推理判斷題.根據"The device produced a pattern of colors as each coffee's mixture of volatile (易蒸發的)compounds interacted with the dyes."并聯系上下文可知改進的電子鼻比之前的電子鼻更準確.故選D.
點評 本文是一篇科教類閱讀.此類題目主要考查學生的細節理解和推理判斷能力.細節理解題是針對文中某個細節、某句話或某部分具體內容設置問題,所以在做細節理解題時要結合原文和提干有針對性的找出相關語句進行仔細分析,再結合選項選出正確答案.在做推理判斷題時不要以個人的主觀想象代替文章的事實,要根據文章事實進行合乎邏輯的推理判斷.
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