人教版2021届高考英语一轮基础练Step4以话题为主线锤炼素养技能必修2 Unit3含解析.doc

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1、Unit 3核心素养培养创新精神, 掌握先进技术吸取先进的理念, 树立科学的学习方法。高考链接2019全国卷C; 2019江苏高考C; 2018全国卷D; 2018江苏高考D; 2017 全国卷C; 2017全国卷A; 2017北京高考D; 2017天津高考C. 话题与高考阅读理解(2019全国卷C)As data and identity theft becomes more and more common, the market is growing for biometric(生物测量)technologieslike fingerprint scansto keep others ou

2、t of private e-spaces. At present, these technologies are still expensive, though. Researchers from Georgia Tech say that they have come up with a low-cost 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 pr

3、essure fingers apply to each key. The keyboard could offer a strong layer of security by analyzing things like the force of a users typing and the time between key presses. These patterns are unique to each person. Thus, the keyboard can determine peoples identities, and by extension, whether they s

4、hould be given access to the computer its connected toregardless of whether someone gets the password right. It also doesnt require a new type of technology that people arent already familiar with. Everybody uses a keyboard and everybody types differently. In a study describing the technology, the r

5、esearchers 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 comme

6、rcialize and is mostly made of inexpensive, plastic-like parts. The team hopes to make it to market in the near future. 【文章大意】这是一篇说明文。本文介绍了一种新的科技智能键盘, 它能给e-space用户带来安全, 而且这项技术也不贵。1. Why do the researchers develop the smart keyboard? A. To reduce pressure on keys. B. To improve accuracy in typing. C.

7、 To replace the password system. D. To cut the cost of e-space protection. 【解析】选D。细节理解题。根据第一段的At present, these technologies are still expensive, though. 和第二段的Researchers from Georgia Tech say that they have come up with a low-cost device that gets around this problem: a smart keyboard. 可知, 研究者们开发智能

8、键盘是为了降低e-space保护的成本。故选D。2. What makes the invention of the smart keyboard possible? A. Computers are much easier to operate. B. Fingerprint scanning techniques develop fast. C. Typing patterns vary from person to person. D. Data security measures are guaranteed. 【解析】选C。细节理解题。根据第二段的The keyboard could

9、 offer. . . the keyboard can determine peoples identities可知, 由于每个人的打字方式不同, 使得智能键盘能够识别人的身份。故选C。3. What do the researchers expect of the smart keyboard? A. Itll be environment-friendly. B. Itll reach consumers soon. C. Itll be made of plastics. D. Itll help speed up typing. 【解析】选B。细节理解题。根据最后一段的The tea

10、m hopes to make it to market in the near future. 可知, 研究者们希望智能键盘能早日面世。故选B。4. Where is this text most likely from? A. A diary. B. A guidebook. C. A novel. D. A magazine. 【解析】选D。文章出处题。本文介绍了一种新的科技智能键盘, 它能给e-space用户带来安全, 由此可知, 本文是一篇关于科技的文章, 结合所给选项可知, 本文可能来自一本杂志。故选D。 捕捉关联信息明晰作者意图1. 根据文体类别判断写作目的。广告类文章一般是为了

11、推销; 故事类文体往往通过词汇的感情色彩表达特定的意义; 说明类文体一般是为了普及和推广; 议论文的目的往往是表达一种观点、立场、态度或看法等。2. 从写作手法上判断作者意图。根据文章的写作手法(比如: 倒叙、设问、举例、比喻、引用、对比等)判断作者的写作意图。3. 利用语篇标志词判断上下文的逻辑关系(but, yet, so, because, in fact, however等)。以本文第1题为例, 解题策略如下: Step 1根据问题定位关联信息these technologies are still expensive, though; they have come up with a

12、 low-cost device that gets around(deal with) this problemStep 2尝试解答: D。话题词汇identity; fingerprint; security; unique; type; recognize; 短语句式come up with; get around; regardless of; be familiar with; based on; make it to market微语法填空Nowadays, biometric technologies-like fingerprint scans-are 1. _ (wide)

13、used to prevent identity theft. However, these technologies are still expensive 2. _(use). In order to cut down the cost of protecting personal information, researchers came up 3. _ a low-cost device, a smart keyboard that can record and analyse the users habit of using the keyboard. Thus, the keybo

14、ard can determine peoples identities, and whether they should 4. _ (give) access to the computer its connected to, regardless of 5. _ someone gets the password right. This technology has been tested with 100 volunteers and proved efficient and precise. The 6. _ (researcher) hope to make it to market

15、 in the near future. 1. 【解析】widely考查词性转换。此处为副词作状语, 修饰动词used。2. 【解析】to use考查不定式。“形容词+不定式”为习惯搭配。3. 【解析】with考查固定搭配。come up with为固定搭配。4. 【解析】be given考查被动语态。they 和give access to之间为被动关系。5. 【解析】whether考查宾语从句。句意: 不管某人是否输入正确的密码。此处为whether 引导的宾语从句。6. 【解析】researchers考查名词复数。此处复指上文提到的研究人员, 为复数。. 话题与高考写作(2018天津高考

16、改编)假设你是晨光中学的机器人兴趣小组组长李津, 你的美国朋友Chris曾在机器人技能竞赛中获奖。你打算邀请他加入你的团队, 参加即将于7月底在天津举行的世界青少年机器人技能竞赛。请根据以下提示代表兴趣小组给他写一封电子邮件。1. 比赛的时间、地点; 2. 邀请他的原因。注意: 1. 词数80左右; 2. 可适当加入细节, 使内容充实、行文连贯; 3. 尽量使用本单元学过的词汇和短语。参考词汇: 世界青少年机器人技能竞赛 the World Adolescent Robotics CompetitionStep 1要点写作 根据汉语提示补全句子。世界青少年机器人技能竞赛将于今年7月底在天津举行

17、。The World Adolescent Robotics Competition is to be held in Tianjin at the end of this July. 我和我的同学们喜欢探索科学世界, 因此我们组成小组去参加比赛。My classmates and I like to explore the world of science, so we have formed a group to take part in the competition. 我想知道你是否能加入并分享你的经验。I wonder whether you can join us and shar

18、e your experience with us. 毕竟, 你曾参加过机器人比赛并得过奖。After all, you once participated in a robotics competition and won the award. 我们会遇到许多困难, 希望你能帮我们解决。We may meet a lot of difficulties and we hope you can help us deal with them. 作为队长, 我真诚地邀请你加入到我们当中, 我相信我们共同努力一定会取得好的结果。As the group leader, I sincerely inv

19、ite you to join us and I am convinced that with our joint efforts we can undoubtedly get good results. Step 2句式升级用as a result改写句My classmates and I like to explore the world of science, as a result, we have formed a group to take part in the competition. 用定语从句改写句We hope you can help us deal with a l

20、ot of difficulties that we may meet. Step 3组句成篇运用关联词串连以上句子。_【参考范文】Dear Chris, I have good news to tell you. The World Adolescent Robotics Competition is to be held in Tianjin at the end of this July, which interests me greatly. My classmates and I like to explore the world of science, as a result, w

21、e have formed a group to take part in the competition. I wonder whether you can join us and share your experience with us. After all, you once participated in a robotics competition and won the award. We hope you can help us deal with a lot of difficulties that we may meet. So as the group leader, I sincerely invite you to join us and I am convinced that with our joint efforts we can undoubtedly get good results. Im looking forward to your reply. Yours, Li Jin关闭Word文档返回原板块

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