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An artificial "tongue" which can taste subtle differences between whiskies can help tackle the counterfeit alcohol trade, accord
An artificial "tongue" which can taste subtle differences between whiskies can help tackle the counterfeit alcohol trade, accord
admin
2021-06-15
32
问题
An artificial "tongue" which can taste subtle differences between whiskies can help tackle the counterfeit alcohol trade, according to engineers.
They have built a tiny taster which exploits the properties of gold and aluminium to test differences between the spirits.
The technology can pick up on the subtler distinctions between the same whisky aged in different barrels.
It can tell the difference between whiskies aged for 12, 15 and 18 years. Engineers say the tongue "tasted" the differences with greater than 99% accuracy.
Alasdair Clark, of the University of Glasgow’s school of engineering, said: "We call this an artificial tongue because it acts similarly to a human tongue—like us, it can’t identify the individual chemicals which make coffee taste different to apple juice but it can easily tell the difference between these complex chemical mixtures."
"We’re not the first researchers to make an artificial tongue, but we’re the first to make a single artificial tongue that uses two different types of nanoscale metal ’taste buds’, which provides more information about the ’taste’ of each sample and allows a faster and more accurate response.
He said the tongue could be used to "taste" virtually any liquid—not just whisky.
Dr. Clark added: "In addition to its obvious potential for use in identifying counterfeit alcohols, it could be used in food safety testing, quality control, security—really any area where a portable, reusable method of tasting would be useful."
Whisky was poured over a chequerboard pattern of the two metals—which act as "taste buds"— and researchers then measured how they absorbed light while submerged.
Subtle differences which were highlighted on the artificial tongue allowed the team to identify different types of the spirits.
The team used the tongue to sample a selection of whiskies from Glenfiddich, Glen Marnoch and Laphroaig.
Research was conducted by engineers and chemists from the universities of Glasgow and Strathclyde.
Their paper, titled "Whisky tasting using a bimetallic nanoplasmonic tongue", is published in Nanoscale.
What is the purpose of inventing the "artificial tongue"?
选项
A、Identify different types of the spirits.
B、Distinguishing fake alcohols.
C、Exploiting the properties of gold and aluminium.
D、Tasting subtle differences between whiskies.
答案
B
解析
推断题。题干:发明人造舌头的目的是什么?A项“识别烈酒的不同种类”,文章倒数第四段指出“Subtle differences which were highlighted on the artificial tongue allowed the team to identify different types of the spirits.(人造舌头上突出的细微差异使研究团队能够识别烈酒的不同种类)”,这是“人造舌头”其中一种作用,不是目的,A项错误。B项“鉴别假酒”,文章第一段指出“An artificial ’tongue’ which can taste subtle differences between whiskies can help tackle the counterfeit alcohol trade (能够鉴别威士忌之间细微差别的人造舌头能够帮助打击假酒交易)”,由此可以看出发明“人造舌头”的目的是帮助鉴别假酒、打击假酒交易;且文章第八段提到“In addition to its obvious potential for use in identifying counterfeit alcohols,it could be used in food safety testing,quality control,security(除了在鉴别假酒方面有明显的潜力外,还可用于食品安全检测、质量控制、安全保障等方面)”,由此可知鉴别假酒也是人造舌头的重要功能。由此可以推断“人造舌头”之所以会被发明,是想通过鉴别不同酒之间的细微差异这一手段来识别假酒,打击假酒交易。B项符合文意。C项“开发金和铝的特性”,文章并没有提到开发金和铝的特性。C项错误。D项“品尝威士忌的细微差别”,结合全文内容来看,发明“人造舌头”来鉴别威士忌之间的细微差别,这只是一种方式或手段,其根本目的还是为了帮助打击假酒交易。D项与A项本质一样,故排除。故本题选B。
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