2019-2020学年北师大版英语必修2：Unit 4 核心素养拓展练

1、核心素养拓展练素养解读 2017 版普通高中课程标准首次提出“学科核心素养” 。英语学科核心素养由语言能力、文化意识、思维品质和学习能力构成。随之而来，以后的英语考试将更加坚持能力立意，突出核心素养的考查。下面文段就是围绕“思维品质”这一学科素养展开。在网络时代如何保护个人信息的安全成了首要问题。研究者发明的新型芯片为我们提供了更好的选择。主 题 ： 未 来 数 据 的 安 全 学 科 素 养 ： 思 维 品 质Remember sci-fi movies with the big red button that says “Do Not Touch.Emergency.Self-Destru

2、ct(自毁) ”？While they have been the things only in movies，they may soon become a reality.In todays digital age，where nearly everything runs on technology，we share so much of our personal data with others.The biggest concern for users as well as data gatherers is to protect this data from being stolen

3、and misused.If all else fails and destroying the data is all that can help，how can one do that when the data is sitting on a chip miles away?Think about the military and the defense department of countries.Those of you who play Clash of Clans understand the idea of using troops that will defeat your

4、 enemys defenses and the importance of developing your own defenses.If sensitive data were to fall into the hands of spies，that can be dangerous.There can be mistakes or errors made by people who made it and use it，and these mistakes can be used.When you want to keep data safe you either put it into

5、 codes or delete it to prevent misuse.However，a good hacker might be able to retrieve that data.Now imagine your computer is destroyed！No one will be able to get that information back.So taking a cue from sci-fi movies，scientists at Xerox PARC have developed a chip that can physically break up on an

6、 order and leave it useless in case of an emergency.They believe that chips holding important data should be designed with a weak point.When force is used to it，it could cause the chip to break.The scientists created a computer chip with the same strong material used for smartphone displays.The chip

7、 was built under heavy stress，and things such as a mechanical switch，radio signals or laser light could cause the chip to ruin，destroying it completely.语篇解读 本文主要介绍了现代网络技术的广泛应用，造成了我们个人信息容易泄露。研究人员们发明了一种可以在危险时刻自毁的新型的芯片，从而保护我们的个人信息安全。1.What does the underlined word “that” refer to?A.Collecting the data.

8、B.Sharing the data.C.Destroying the data.D.Preventing the data being stolen.答案 C解析 细节理解题。结合画线词前面的“If all else fails and destroying the data is all that can help.”可知，这里的 that 指的是销毁信息和数据。2.We can infer that Clash of Clans may be the name of .A.a toyB.a digital sportC.a sci-fi movieD.a computer game答案

9、D解析 推理判断题。根据第三段的第二句可知，这是一款电脑游戏。3.The chips developed by Xerox PARC .A.can be used to store important dataB.can be self-destroyed remotelyC.can be used for smartphone displaysD.can be broken under heavy stress答案 B解析 细节理解题。根据最后一段中的“it could cause the chip to break”和“and things such as a mechanical swi

10、tch，radio signals or laser light could cause the chip to ruin，destroying it completely”可知，这个芯片可以自毁。Notes：.障碍词汇1.button n.按钮2.emergency n.紧急情况3.military n.军队 adj.军事的4.defence n.防卫5.sensitive adj.敏感的6.switch n.开关；转换器 v.转换7.in case of 以防万一.长难句分析When you want to keep data safe you either put it into codes or delete it to prevent misuse.分析：when 引导一个时间状语从句，either.or. 或者或者。翻译：当你想保持数据安全的时候，你或者把它编成密码，或者删除它，以免误用。