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高考英语阅读理解专项练习题十篇有答案解析

 

举例

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 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 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 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.

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.

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, plastic-like parts. The team hopes to make it to market in the near future. 

 

28. Why do the researchers develop the smart keyboard?

   A. To reduce pressure on keys.       B. To improve accuracy in typing 

   C. To replace the password system.   D. To cut the cost of e-space protection.

29. 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.

30. What do the researchers expect of the smart keyboard？

   A. It'll be environment-friendly.         B. It'll reach consumers soon. 

   C. It'll be made of plastics.             D. It'll help speed up typing.

31. Where is this text most likely from?

   A. A diary.    B.A guidebook   C. A novel.   D. A magazine.

 

【分析】本文是一篇说明文。随着身份信息被盗用变得越来越普遍，像指纹扫描这样的生物技术使用的越来越多，但是其代价也很高。于是来自Georgia Tech的研究者提出了一种精确但是成本低廉的“智能键盘”技术，人们敲击键盘的力度、节奏等具有唯一性，这样即使密码泄露也不用担心别人进入你的电子空间。

28. D 细节理解题。将smart keyboard定位在第二段第一句，根据其前面的 low-cost device可知这项技术是为了解决第一段最后一句中的expensive问题，即减少电子空间保护的成本。故答案为D。

29. C 细节理解题。根据第二段中的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 patterns are unique to each person. Thus, the keyboard can determine people's identities可知，键盘通过分析使用者的打字力度和节奏，提供一重安全保障，因为每个人的打字力度和节奏都是独一无二的。故答案为C。

30. B 细节理解。根据最后一段The team hopes to make it to market in the near future.可知这个团队希望这项技术能尽快进入市场，尽快与消费者见面。故答案为B。

31. D 推理判断题。本题询问文章的来源。Diary日记；guidebook旅行指南；novel小说；magazine。本文属于科技发明方面的文章，所以可以排除ABC选项，故答案为D。

【点评】本题考点涉及细节理解，推理判断和主旨大意三个题型的考查，是一篇科普类阅读，要求考生在捕捉细节信息的基础上，进一步根据上下文的逻辑关系，进行分析，推理，概括和归纳，从而选出正确答案。