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）___ technological trend is just as transformative："big data．"Big data starts with the fact that there is a lot more information（42）___ 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）___ for another．Although this（44）___ 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）___ 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）___ data defeated small amounts of cleaner data．

Another good example of how big data can be（47）___ helpful is online shopping．Using data collected from customer shopping habits，today，Amazon can（48）___ 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）___ 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）_