1、【 精品 教育资源文库 】 Unit 13 单元检测 B阅读理解提速练 .阅读理解 A (2018湖南省重点名校联考 )How many hours of sleep did you get last night? If the answer is not enough, then you might have a harder time remembering something from yesterday than those who were well rested. Scientists have long known the advantages of a good nights
2、 sleep, but a new study has confirmed the old wives tale that sleeping on an idea can actually make it easy to apprehend it, as sleeping is a key part of the human learning process. By studying the sleeping patterns of mice, a team from the John Hopkins University School of Medicine found that sleep
3、 allows us to readjust brain cells, solidify lessons learned and then use them when we wake up. Lead author Graham Diering said, “ The human brain can only store a certain amount of information before it needs to be readjusted. The bottom line is that sleep is not really downtime (停工期 ) for the brai
4、n. It has important work to do then.” When we are awake, the system of neurons (神经元 ) is pushed towards full ability in a bid to make sense of the world and everything we are taking in. This constant firing of neurons means we will lose our ability to devote brainpower to memory. Then when we are as
5、leep, there is a process of reduction going on, which causes a 20% drop in receptor proteins (受体蛋白质 ) compared to those who are still awake. And it is this process of reduction that goes on when you are sleeping that is necessary for learning and memory. It isnt the only study to remind us of the va
6、lue of rest. Back in September, a study showed when we sleep, the brain works harder to process the memories we value more highly. So studying before going to bed can help you remember more things than you do in the morning. 语篇解读： 本文是说明文。一项最新研究表明，充足的睡眠有益于记忆，人们在睡眠之前的记忆力处于最佳状态。 1 Which of the followin
7、g can replace the underlined word “apprehend” in Paragraph 2? A Carry out. B Dream up. C Accept. D Understand. 解析： 选 D 词义猜测题。根据该词后的 “as sleeping is a key part of the human learning process”可知，是更容易理解一个概念，故 apprehend 的意思和 understand 相近。 2 When is our memory good? A When our nervous system is inactive.
8、 【 精品 教育资源文库 】 B When we lie wide awake on the bed. C When we become sensitive to the outside world. D When the level of receptor proteins is increasing. 解析： 选 A 细节理解题。根据第五段第一、二句可知，当人们清醒时，神经系统处于活跃状态，此时大脑的记忆能力就会减弱。由此可知，当我们的神经系统处于低迷状 态时，大脑记忆力最好。 3 Whats the authors purpose in writing the text? A To t
9、ell us the process of memorizing things. B To show the importance of a good memory. C To persuade us to get enough sleep. D To describe a common phenomenon. 解析： 选 C 写作目的题。本文介绍了充足的睡眠的重要性，旨在劝 说人们要有充足的睡眠。 B Public libraries have had another bad year. They are like local railways. People like having the
10、m around, and are angry if they close. But as for using them, there is so little time these days. To the US historian Matthew Battles the library is a metaphor (隐喻 ) for the land of chance, a place where, lost in the piles, new Americans could “ dream of personal success, unaided by unnamed others,
11、a stage with a mirror for backdrop (背景幕布 ) that reflects only the reader” . In Britain, the library was a grammar school, a teach yourself academy, a way of learning. Digitization has changed everything. The public library is no longer a place sacred to knowledge. Its walls have been bombed open. So
12、 much rubbish is said and written about the death of books. Five years ago, when Amazon ebook sales were higher than those of paperback copies, it was assumed the book was dying. Print was yesterday, one more victim of the great digital wipeout. But Waterstones last year stopped selling Kindles and
13、changed the shelf space to physical books. It saw a 5% rise in sales. Though the bookshop has suffered, the book has not. But these are buyers, not borrowers. The library must rediscover its specialness. This strength lies not in books, but in its readers, in their desire to gather, share with each
14、other, hear writers and experience books with a group. It is in plays, concerts, comedy, lectures, debates, quizzes, performances of every sort. It should combine coffee shops, book exchanges, playgroups, art galleries, museums and performances. Ever since the days of Alexandria, the library has bee
15、n the palace of the mind, the “University of All”. The Internet has removed its complete control of knowledge, but cannot copy its sense of place, its joy of human gathering. 【 精品 教育资源文库 】 语篇解读： 本文是 议论文。文章讨论了图书馆的数量虽然减少了，借书的人少了，但是书却并没有消失。 4 What is stressed by mentioning Matthew Battles? A The meani
16、ng of the American Dream. B The role of libraries in Americans life. C The things people can learn in a library. D The decrease in the number of libraries. 解析： 选 B 推理判断题。根据第二段可知， Matthew Battles 强调了图书馆是机会之地，人们可以在图书馆中寻求自己的个人成功等，说明了图书馆对于人们的影响。 5 What did people use to think about books? A Digital tech
17、nology left books dying. B A lot of books were becoming rubbish. C Physical books took up too much space. D Books in libraries were better than ebooks. 解析： 选 A 推理判断题。根据第三段中的 “So much rubbish is said and written about the death of books. Five years ago, when Amazon ebook sales were higher than those
18、of paperback copies, it was assumed the book was dying”可知，过去人们认为数字技术的出现，使得 实体书快要灭亡了。 6 How can the library gain its popularity again? A By offering readers better books. B By holding live events for readers. C By buying more books to fill its shelves. D By providing relaxed atmosphere for readers. 解
19、析： 选 B 细节理解题。根据倒数第二段可知，在数字时代，图书馆要 想重新恢复它是知识代表的称号，需要举办各种现场活动。 7 What might be the most suitable title for the text? A Libraries are dying but not for books B Libraries will have no physical books C Libraries are not about books any more D Libraries play new roles in modern times 解析： 选 A 标题归纳题 。本文主要讨论
20、了随着数字技术的发展，图书馆的作用似乎越来越小了，但是书并没有消亡。 【 精品 教育资源文库 】 .阅读七选五 5 Ways Technology is Changing the Social Lives of Teenagers Technology allows teens to communicate with friends in new ways. Here are five ways technology is changing teenagers friendships： Teens are making new friends online. In fact, 57% of
21、teens have made new friends online. _1_ While in the past, teens were often limited to making friends from their schools or nearby towns, the Internet gives them access to other people all around the world. Teens are more likely to text than talk. Gone are the days of sitting at home waiting for the
22、 phone to ring. _2_ About 55% of teens text their friends on a daily basis, and only 19% talk on the phone every day. In addition to texting, teens are also using instant messaging, social media, email, and video chat to talk with their friends. Online gaming promotes new friendships. 78% of gamers
23、say that gaming helps them feel more connected with their friends. _3_ Of the teens who have made friends online, 57% of those who said they developed their friendships by gaming were boys. _4_ Teens use social media to catch up with friends. Almost 75% of teens say they spend time with their friends on social media. Theyre able to communicate in real time and they discuss different types of topics online more often than they do in person. Teens may struggle to read emotions (情感 ) _5_ Lacking face to face communication makes it difficult for teens to understand how others feel through their
