Unit 4 Period Ⅰ Welcome to the unit & Reading—Comprehending（课件）-【优化探究】2022-2023学年新教材高中英语选择性必修第二册同步导学案（牛津译林版2020）

Period Ⅰ　Welcome to the unit & Reading—Comprehending 返回导航 下页 上页 译林英语 选择性必修 第二册 必备知识 自主学习 课时作业 巩固提升 返回导航 下页 上页 译林英语 选择性必修 第二册 Part 1　课文预读 [原文呈现] Artificial intelligence：friendly or frightening? Imagine waking up one morning with the option① of staying in bed and pressing a button to send a robot to do all the work for you. 返回导航 下页 上页 译林英语 选择性必修 第二册 How cool that would be！It may seem like building castles in the air②，but given③ the rate④ at which artificial intelligence，or AI，is being developed，in the future such dreams may actually come true. 感叹句 条件状语 at which引导定语从句，which作at的宾语 返回导航 下页 上页 译林英语 选择性必修 第二册 At the basic level，artificial intelligence is a branch of computer science that aims to creat intelligent machines．One of the essential⑤ aims of AI is to develop computer intelligence capable⑥ of learning from experience，adjusting⑦ to new inputs⑧ and performing tasks⑨ like humans．To achieve this aim，many approaches⑩ to creating true AI have been put forward⑪，including “deep learning”，which enables a machine to improve its own performance by learning from 返回导航 下页 上页 译林英语 选择性必修 第二册 the results of its previous actions．Deep­learning AI has the capacity⑫ to analyse⑬ massive⑭ amounts of data through multiple layers，imitating⑮ the complex networks⑯ of the human brain． that引导定语从句 形容词短语作定语 which引导非限制性定语从句 现在分词短语作结果状语 返回导航 下页 上页 译林英语 选择性必修 第二册 The dream of AI has been around for centuries，and the development of computers since the 1940s has finally made it a reality. Years before the term “artificial intelligence” was coined⑰ in the mid­1950s，the theory had been explored by Alan Turing，one of the pioneers in the field of computer science．However，for a long time，AI technology developed very slowly. A major breakthrough⑱ in AI 返回导航 下页 上页 译林英语 选择性必修 第二册 came in 1997，when Deep Blue，a chess­playing computer，beat the world chess champion Garry Kasparov．Then in 2017，a computer program named AlphaGo10 defeated Ke Jie，arguably⑲ the best human G