Any sufficiently advanced technology,noLed Arthur C.Clarke,a British science-fiction writer,is indistinguishable from magic.The fast-emerging technology of voice computing proves his 1.Using it is just like casting a spell:say a few words inLo the air,and a nearby device can 2 your wish.The Amazon Echo,a voice-driven cylindrical computer that sits on a table top and answers to the name Alexa,can 3 music tracks and radio stations,tell jokes,answer trivia questions and control smart 4;even before Christmas it was already resident in about 4qo of American house holds.Voice assistants are 5 in smartphones,too:Apple's Siri 6 0ver2 billion commands a week,and 20%of Google 7 0n Android powered handsets in America are input by voice.Dictating e-mails and text messages now works 8 enough to be useful.Why type when you can talk?This is a huge shift.Simple 9 it may seem,voice has the power to transform computing,by providing a natural means of interaction.Windows,icons and menus,and then touchscreens,were welcomed as more 10 ways to deal with computers than entering complex keyboard 11.But being able to talk to computers.12 the need for the abstraction of a"user interface"at aLI.13 mobile phones were more than exisLing phones without wires,and cars were more than carriages without horses,so computers without screens and keyboards have the 14 to be more useful and powerful than people can imagine today.Voice will not wholly 15 other forms of input and output.SomeLimes it will remain more 16 to converse with a machine by Lyping rather than talking.But voice is destined to 17 a growing share of people's interactions with the technology around them,from washing machines that tell you how much of the cycle they have left to virtual assisLants in corporate call-centres.18,to reach its full potential,the technology requires 19.breakthroughs-and a resolution of the 20 questions it raises around the trade-off between convenience and privacy.13选？
逻辑关系题。选项[A]Such as不能连接一个句子，故该项容易排除；选项[D]As such表示“同样地，本身”，一般作为副词使用，同样不能连接句子，也可排除；选项[B]Much as表示“虽然”，与下文so computers without screens...中的so“因此，所以”无法形成逻辑关系，故排除；选项[C]Jusi as表示“正如”，句中表示举例，整个句子大意为“正如手机远不只是无线电话，汽车远不只是无马之车，没有了显示屏和键盘的电脑有潜力变得比人们今天所能想象的更有用、更强大”。综上，本题答案为[C]。
