2021届高考英语二轮复习微专题考点17 阅读理解说明文（考点详解）（9页）
2021届高考英语二轮复习微专题
考点17 阅读理解之说明文
阅读理解说明文，是对事物或事理进行客观说明的一种文体，在结构上往往采用总分、递进等方式按一定的顺序（如时间、空间、从现象到本质）进行说明。最近五年，说明文的出现变化不大，一直很稳定，选材通常是各学科的前沿问题；高科技领域的科研成果；人们比较关心的社会问题；人文方面的经典。由于阅读理解题的设置采用渐进式，即由简到难的方式，因此说明文是高考试卷中阅读理解题中相对比较难的，通常后置。阅读理解试题的考点之一是考查学生对词汇和句式的掌握。说明文的词汇和句式的运用较别的体裁的文章难度更大。词汇运用灵活，同一词的不同词性的用法交替出现，未列入考纲的生词较多，通常达到了4-5%。不过考生可以通过说明文的语言特点来帮助理解语篇，例如，同位语、下定义、解释、举例、同义词、反义词、上下义词以及标点符号（如破折号、冒号都有表示解释和说明）等。
阅读理解说明文的设问主要主要以细节事实、主旨大意和猜测词义三方面问题为主。
一、词义猜测类题型
词义的猜测贯穿在文章的阅读理解之中。解这类题目一般是通过上下文去理解或根据构词法去猜测。判断一个单词的意思不但离不开句子，而且还需要把句子放在上下文中，根据上下文提供的线索加以猜测。运用构词法,语境等推测关键词义。
二、主旨大意类题型
主旨大意类题型主要测试学生对文章全面理解和概括的能力，提问的内容可能是全文的大意，也可能是某段的段落大意，一般不易在文中直接找到答案。怎样把握主旨大意题呢？通常有以下几种方法：
可以通过阅读文章的标题或副标题、寻找文章的主题句
（2020 ? 全国卷I，B）
Returning to a book you’ve read many times can feel like drinks with an old friend. There’s a welcome familiarity - but also sometimes a slight suspicion that time has changed you both, and thus the relationship. But books don’t change, people do. And that’s what makes the act of rereading so rich and transformative.
The beauty of rereading lies in the idea that our bond with the work is based on our present mental register. It’s true, the older I get, the more I feel time has wings. But with reading, it’s all about the present. It’s about the now and what one contributes to the now, because reading is a give and take between author and reader. Each has to pull their own weight.
There are three books I reread annually The first, which I take to reading every spring is Emest Hemningway’s A Moveable Feast. Published in 1964, it’s his classic memoir of 1920s Paris. The language is almost intoxicating (令人陶醉的)，an aging writer looking back on an ambitious yet simpler time. Another is Annie Dillard’s Holy the Firm, her poetic 1975 ramble (随笔) about everything and nothing. The third book is Julio Cortazar’s Save Twilight: Selected Poems, because poetry. And because Cortazar.
While I tend to buy a lot of books, these three were given to me as gifs, which might add to the meaning I attach to them. But I imagine that, while money is indeed wonderful and necessary, rereading an author’s work is the highest currency a reader can pay them. The best books are the ones that open further as time passes. But remember, it’s you that has to grow and read and reread in order to better understand your friends.
24. Why does the author like rereading?
A. It evaluates the writer-reader relationship.
B. It’s a window to a whole new world.
C. It’s a substitute for drinking with a friend.
D. It extends the understanding of oneself.
25. What do we know about the book A Moveable Feas!?
A. It’s a brief account of a trip.
B. It’s about Hemingway’s life as a young man.
C. It’s a record of a historic event.
D. It’s about Hemingway’s friends in Paris.
26. What does the underlined word ＂currency＂ in paragraph 4 refer to?
A. Debt B. Reward.
C Allowance. D. Face value.
27. What can we infer about the author from the text?
A. He loves poetry. B. He’s an editor.
C. He’s very ambitious. D. He teaches reading.
【答案】24. D 25. B 26. B 27. A
【解析】这是一篇说明文。短文介绍了重新阅读的意义和益处并向读者介绍了作者每年重读的三本书。作者鼓励读者去重新阅读书籍。
【24题详解】
推理判断题。根据第一段最后两句“But books don’t change, people do. And that’s what makes the act of rereading so rich and transformative.(但是书没变，人变了。那就是使重新阅读行为如此丰富和富于变化之处)”和第二段“The beauty of rereading lies in that our bond with the work is based on our present register. It is true, the older I get, the more I feel time has wings.(重新阅读的美妙之处在于我们与作品的联系是基于我们现在的心理状态。真的，我年纪越大，就越觉得时光飞逝。)”可推知，作者喜欢重新阅读是因为重新阅读可以扩展对自己的理解。故选D项。
【25题详解】
推理判断题。根据倒数第二段“Published in 1964, it’s his classic memoir of 1920s Paris.”及“an aging writer looking back on an ambitious yet simpler time”可知，这本书出版于1964年，这是他关于20世纪20年代在巴黎的经典回忆录，是他老年时对那些野心勃勃却更简单的日子的回顾。由此可判断出A Movable Feast是关于海明威年轻时的生活。故选B项。
【26题详解】
词义猜测题。根据最后一段中“while money is indeed wonderful and necessary,(虽然金钱确实是美妙而必要的)”可知，前后句为转折关系，根据上下文的语境可推知，“rereading an author’s work is the highest currency a reader can pay them.”意为“但是但重新阅读作品是读者能支付给他们的最高回报”，由此判断出划线词的意思是“回报”。故选B项。
【27题详解】
推理判断题。根据倒数第二段“The third book is Julio Cortázar’s Save Twilight: selected poems, because poetry.(第三本书是胡里奥·科塔扎的《拯救暮光之城: 诗歌精选》，因为诗歌)”可知，作者是由于喜欢诗歌而喜欢这本书。故选A项。
（2019 ? 全国卷I C）
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.
25．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.
26．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.
27．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.
28．Where is this text most likely from?
A．A diary. B．A guidebook C．A novel. D．A magazine.
【答案】25．D26．C27．B28．D
【解析】这是一篇说明文。数据和身份盗窃变得越来越普遍，而指纹扫描等这些防盗技术仍然很昂贵的。本文介绍了一种新的防止个人身份和数据在电子空间被盗的高科技智能键盘，而且这项技术也不贵。
25．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 key board.可知，研究者们开发智能键盘是为了降低e-space保护的成本。故选D。
26．细节理解题。根据第二段的The key board 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，用户打字的力度和按键之间的时间是不同的，这使得智能键盘能够识别人。故选C。
27．细节理解题。根据最后一段的The team 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。
28．推理判断题。本文介绍了一种新的防止个人身份和数据在电子空间被盗的高科技智能键盘，由此可推断本文最有可能来自于一本科学杂志。故选D。
（2019 ? 全国卷I D）
During the rosy years of elementary school(小学), I enjoyed sharing my dolls and jokes, which allowed me to keep my high social status. I was the queen of the playground. Then came my tweens and teens, and mean girls and cool kids. They rose in the ranks not by being friendly but by smoking cigarettes, breaking rules and playing jokes on others, among whom I soon found myself.
Popularity is a well-explored subject in social psychology. Mitch Prinstein, a professor of clinical psychology sorts the popular into two categories: the likable and the status seekers. The likables’ plays-well-with-others qualities strengthen schoolyard friendships, jump-start interpersonal skills and, when tapped early, are employed ever after in life and work. Then there’s the kind of popularity that appears in adolescence: status born of power and even dishonorable behavior.
Enviable as the cool kids may have seemed, Dr. Prinstein’s studies show unpleasant consequences. Those who were highest in status in high school, as well as those least liked in elementary school, are “most likely to engage(从事) in dangerous and risky behavior.”
In one study, Dr. Prinstein examined the two types of popularity in 235 adolescents, scoring the least liked, the most liked and the highest in status based on student surveys(调查研究). “We found that the least well-liked teens had become more aggressive over time toward their classmates. But so had those who were high in status. It clearly showed that while likability can lead to healthy adjustment, high status has just the opposite effect on us.”
Dr. Prinstein has also found that the qualities that made the neighbors want you on a play date—sharing, kindness, openness—carry over to later years and make you better able to relate and connect with others.
In analyzing his and other research, Dr. Prinstein came to another conclusion: Not only is likability related to positive life outcomes, but it is also responsible for those outcomes, too. “Being liked creates opportunities for learning and for new kinds of life experiences that help somebody gain an advantage, ” he said.
29．What sort of girl was the author in her early years of elementary school?
A．Unkind. B．Lonely. C．Generous. D．Cool.
30．What is the second paragraph mainly about?
A．The classification of the popular.
B．The characteristics of adolescents.
C．The importance of interpersonal skills.
D．The causes of dishonorable behavior.
31．What did Dr. Prinstein’s study find about the most liked kids?
A．They appeared to be aggressive.
B．They tended to be more adaptable.
C．They enjoyed the highest status.
D．They performed well academically.
32．What is the best title for the text?
A．Be Nice—You Won’t Finish Last
B．The Higher the Status, the Beer
C．Be the Best—You Can Make It
D．More Self-Control, Less Aggressiveness
【答案】29．C30．A31．B32．A
【解析】这是一篇说明文。文章主要讲述了受欢迎度对青少年的影响。
29．推理判断题。根据第一段During the rosy years of elementary school, I enjoyed sharing my dolls and jokes, which allowed me to keep my high social status.可知，在美好的小学时光里，作者喜欢分享她的娃娃和笑话，由此推断出，作者在早年的小学时期是一个慷慨的女孩。A. Unkind不友善的；B. Lonely寂寞的；C. Generous慷慨的；D. Cool冷静的。故选C。
30．主旨大意题。第二段Mitch Prinstein, a professor of clinical psychology sorts the popular into two categories: the likable and the status seekers.（临床心理学教授Mitch Prinstein将受欢迎的人分为两类:讨人喜欢的人和追求地位的人。）是段落主题句，本段内容分别对the likable 和the status seekers做了解释，所以本段主要介绍了两种受欢迎的分类，故选A。
31．推理判断题。根据第四段It clearly showed that while likability can lead to healthy adjustment （它清楚地表明，讨人喜欢可以促使健全的调整）推断出，心理学教授Mitch Prinstein的研究表明，讨人喜欢的孩子适应性更强，故选B。
32．主旨大意题。通过阅读全文内容，尤其是最后一段，可知这篇文章主要讲了受欢迎度对青少年的影响，讨人喜欢对青少年成长都有深远的有益影响。与选项A“友善一点——你将不会排在最后（你不会完蛋/你会笑到最后）”一致，故选A。
（2019 ? 全国卷2 D）
Bacteria are an annoying problem for astronauts. The microorganisms(微生物) from our bodies grow uncontrollably on surfaces of the International Space Station, so astronauts spend hours cleaning them up each week. How is NASA overcoming this very tiny big problem? It’s turning to a bunch of high school kids. But not just any kids. It is depending on NASA HUNCH high school classrooms, like the one science teachers Gene Gordon and Donna Himmelberg lead at Fairport High School in Fairport, New York.
HUNCH is designed to connect high school classrooms with NASA engineers. For the past two years, Gordon’s students have been studying ways to kill bacteria in zero gravity, and they think they’re close to a solution(解决方案). “We don’t give the students any breaks. They have to do it just like NASA engineers,” says Florence Gold, a project manager.
“There are no tests,” Gordon says. “There is no graded homework. There almost are no grades, other than ‘Are you working towards your goal?’ Basically, it’s ‘I’ve got to produce this product and then, at the end of year, present it to NASA.’ Engineers come and really do an in-person review, and...it’s not a very nice thing at times. It’s a hard business review of your product.”
Gordon says the HUNCH program has an impact(影响) on college admissions and practical life skills. “These kids are so absorbed in their studies that I just sit back. I don’t teach.” And that annoying bacteria? Gordon says his students are emailing daily with NASA engineers about the problem, readying a workable solution to test in space.
28．What do we know about the bacteria in the International Space Station?
A．They are hard to get rid of. B．They lead to air pollution.
C．They appear in different forms. D．They damage the instruments.
29．What is the purpose of the HUNCH program?
A．To strengthen teacher-student relationships.
B．To sharpen students’ communication skills.
C．To allow students to experience zero gravity.
D．To link space technology with school education.
30．What do the NASA engineers do for the students in the program?
A．Check their product. B．Guide project designs.
C．Adjust work schedules. D．Grade their homework.
31．What is the best title for the text?
A．NASA: The Home of Astronauts B．Space: The Final Homework Frontier
C．Nature: An Outdoor Classroom D．HUNCH: A College Admission Reform
【答案】28．A29．D30．A31．B
【解析】本文为说明文。本文介绍了美国国家航空航天局的HUNCH计划。参与这个计划的高中生制作供美国国家航空航天局使用的产品，此计划的目的是把航天技术与学校教育结合起来，把空间技术与带进课堂，与学校教育相结合，这项计划实施结果显示会影响到学生的生活和大学录取。
28．细节理解题。根据第一段中的Bacteria are annoying problem for astronauts. The microorganisms form our bodies grow uncontrollably on surfaces of the International Space Station, so astronauts spend hours cleaning them up each week.可知，细菌对宇航员来说是个令人讨厌的问题。这种来自我们身体的微生物在国际空间站的表面不受控制地生长，宇航员每周要花几个小时来清理它们。也就是说它们很难去掉。其中的“the microorganisms”包括“bacteria”。由此可知， A项正确。
29．推理判断题。根据第二段的HUNCH is designed to connect high school classrooms with NASA engineers. For the past two years, Gordon’s students have been studying ways to kill bacteria in zero gravity, and they think they’re close to a solution(解决方案).可知，HUNCH旨在把高中教室和NASA的工程师联系起来。Gordon的学生一直在研究如何在零重力下杀死细菌；结合最后一段中的Gordon says his students are emailing daily with NASA engineers about the problem, readying a workable solution to test in space.可知，学生每天都给NASA的工程师发邮件一起探讨（如何杀死空间站的细菌这一空间技术）这个问题。由此可推断出HUNCH program的目的把空间技术与学校教育相结合。故D项正确。
30．细节理解题。根据第三段中的Engineers come and really do an in-person review, and...it’s not a very nice thing at times. It’s a hard business review of your product.”可知，NASA的工程师会亲自审核学生们所做的产品。故A项正确。
31．主旨大意题。文章以国际空间站里的微生物很难清除开头，引出宇航员们解决此问题的途径——借助美国国家航空航天局的HUNCH高中班，此计划的目的是把航天技术与学校教育结合起来。在这项计划里，学生们通过homework（制作供美国国家航空航天局使用的产品）探索无疆的太空，因此“太空：最后的功课疆域”最适合做文章的标题。故选B。
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