选修7 Unit 2 Robots-【优化探究】2024高考英语一轮复习高考总复习配套课件（人教版 老教材 老高考）

一轮· 英语 1 必备知识 自主梳理 核心考点 互动探究 跟踪检测 巩固提升 课时作业 即时演练 精读真题提素养/主题下的高考拓展运用 (2019·全国Ⅰ卷) As data and identity theft becomes more and more common，the market is growing for biometric (生物测量) technologies—like fingerprint scans—to keep others out of private e­spaces.At present，these technologies are still expensive，though. 一轮· 英语 1 必备知识 自主梳理 核心考点 互动探究 跟踪检测 巩固提升 课时作业 即时演练 Researchers from Georgia Tech say that they have come up with a low­cost device(装置) that gets around this problem：a smart keyboard.This smart keyboard precisely measures the cadence (节奏) with which one types and the pressure fingers apply to each key.The keyboard could offer a strong layer of security by analyzing things like the force of a user's typing and the time between key presses.These 一轮· 英语 1 必备知识 自主梳理 核心考点 互动探究 跟踪检测 巩固提升 课时作业 即时演练 patterns are unique to each person.Thus，the keyboard can determine people's identities，and by extension，whether they should be given access to the computer it's connected to—regardless of whether someone gets the password right. 一轮· 英语 1 必备知识 自主梳理 核心考点 互动探究 跟踪检测 巩固提升 课时作业 即时演练 It also doesn't require a new type of technology that people aren't already familiar with.Everybody uses a keyboard and everybody types differently. 一轮· 英语 1 必备知识 自主梳理 核心考点 互动探究 跟踪检测 巩固提升 课时作业 即时演练 In a study describing the technology，the researchers had 100 volunteers type the word “touch” four times using the smart keyboard.Data collected from the device could be used to recognize different participants based on how they typed，with very low error rates.The researchers say that the keyboard should be pretty straightforward to commercialize and is mostly made of inexpensive，plastic­like parts.The team hopes to make it to market in the near future. 一轮· 英语 1 必备知识 自主梳理 核心考点 互动探究 跟踪检测 巩固提升 课时作业 即时演练 [语篇解读]　本文是一篇科研报道。来自佐治亚理工学院的研究人员发明了一种智能键盘，可以通过分析用户的打字模式来判断该用户是不是安全访客。 一轮· 英语 1 必备知识 自主梳理 核心考点 互动探究 跟踪检测 巩固提升 课时作业 即时演练 28．Why do the r