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2.A.delivery   B.alternative   C.enormously  D.floating   E.analyzed   F.process  G.determine  H.visible   I.messy   J.disturbingly  K.patterns

Everyone knows that the Internet has changed how business operate,governments function and people live.However,a new,less (41)H technological trend is just as transformative:"big data."Big data starts with the fact that there is a lot more information (42)D around these days than ever before and it is being put to extraordinary new uses.
Consider language translation,for example.When IBM first started to work on machine translation in the 1990s,it just fed a small number of high-quality translation into a computer and programmed it to infer which word in one language is the best (43)B for another.Although this (44)F revolutionized the task of translation,the result was far from being perfect.Then,in 2006,Google burst in.Instead of millions of pages of texts,the search giant (45)E billions,from corporate websites to documents in every language from the European Union.The result is that its translations are much better than IBM's were and it covers 65languages.Large amounts of (46)I data defeated small amounts of cleaner data.
Another good example of how big data can be (47)C helpful is online shopping.Using data collected from customer shopping habits,today,Amazon can (48)G who is most likely to purchase what and when.Details such as your history and wish list help the company gain a glimpse (一瞥) into your interests.Goods will then be dispatched to a logistics center(物流中心) near you and get packed before you even order,meaning that when you do make an online purchase,same-day (49)A would be possible.
With big data,instead of trying to understand exactly why an engine breaks down or why a drug's side effect disappears,researchers can instead collect and analyze massive quantities of information about such events and everything that is associated with them,looking for (50)K that might help predict future occurrences.
Big data answers not why but what.Finally,it will mark the moment when the"information society"finally fulfills the promise implied by its name.

分析 新闻类报道阅读,主要介绍了新的科技 big data 给我们生活带来的巨大变化和影响.

解答 41.H  42.D  43.B  44.F  45.E  46.I  47.C  48.G  49.A  50.K
41.H 考查形容词.visible此处是形容词,意思是看的见的,根据句意visible technological trend 一种技术性趋势即 big data.
 42.D  考查动词.根据后句 it is being put to extraordinary new uses.可知,big data 这种科技正在被广泛使用.
43.B  考查名词.根据句子里for another可知,IBM 当初被认为是最好的翻译工具选择.
44.F  考查名词.process此处是名词,意思是过程,尽管这个过程革新了翻译的任务,但结果却不是很满意.
45.E  考查动词.根据from corporate websites to documents in every language from the European Union可知,Google公司分析了数百万的从公司网站到各种语言的文献.
46.I  考查形容词.Large amounts of massy data意思是大量的数据信息.
47.C 考查副词.根据上文介绍可知,讲述big data 的好处,所以此处enormously修饰helpful.
 48.G  考查动词.determine此处是决定的意思,根据句意可知,Amazon可以判断出谁要购买什么.
49.A  考查名词.根据前句when you do make an online purchase当你在网上购物时,delivery意思是投送将成为可能.
50.K 考查名词.pattern此处是名词,样式,根据句意researchers正在寻找能够预测未来的一些模式.

点评 做完型填空时要求考生对文章通读一遍,做题时结合原文和题目有针对性的找出相关语句进行仔细分析,结合选项选出正确答案.推理判断题也是要在抓住关键句子的基础上合理的分析才能得出正确答案.

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