分析 本文是一篇科教類閱讀.介紹了研究人員開發(fā)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(tǒng)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(jìn)了電子鼻,使它可以區(qū)分不同品牌的咖啡.而且改進(jìn)的電子鼻比之前的電子鼻更準(zhǔn)確.
解答 32-35 BACD
32.B.推理判斷題.根據(jù)"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(fā)的咖啡分析儀最可能被咖啡種植者使用.故選B.
33.A.細(xì)節(jié)理解題.根據(jù)"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(tǒng)的方法一樣不能分辨相似的化合物.故選A.
34.C.細(xì)節(jié)理解題.根據(jù)"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(jìn)的電子鼻可以區(qū)分不同品牌的咖啡.故選C.
35.D.推理判斷題.根據(jù)"The device produced a pattern of colors as each coffee's mixture of volatile (易蒸發(fā)的)compounds interacted with the dyes."并聯(lián)系上下文可知改進(jìn)的電子鼻比之前的電子鼻更準(zhǔn)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(xué)生的細(xì)節(jié)理解和推理判斷能力.細(xì)節(jié)理解題是針對文中某個細(xì)節(jié)、某句話或某部分具體內(nèi)容設(shè)置問題,所以在做細(xì)節(jié)理解題時要結(jié)合原文和提干有針對性的找出相關(guān)語句進(jìn)行仔細(xì)分析,再結(jié)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(jù)文章事實進(jìn)行合乎邏輯的推理判斷.
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