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1、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 sleep, but a new st
2、udy 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 allows us to readjus
3、t 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 brain. It has important work
4、 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 asleep, there is a process o
5、f 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 value of rest. Back in Septemb
6、er, 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。1Which of the following can replace the underlined wor
7、d “apprehend” in Paragraph 2?ACarry out. BDream up.CAccept. DUnderstand.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。2When is our memory good?AWhen our nervous system is inactive.BWhen we lie wide awake on the bed.CWhen we b
8、ecome sensitive to the outside world.DWhen 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。3Whats the authors purpose in writing the text?ATo tell us the process of memorizing things.BTo show the importance of a good
9、 memory.CTo persuade us to get enough sleep.DTo 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。BPublic libraries have had another bad year. They are like local railways. People like having them around, and are angry if they close. But as for using them, there is so little tim
10、e 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, a stage with a mirror for backdrop (背景幕布) that reflects only the reader”. In Britain, t
11、he library was a grammar school, a teachyourself 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 much rubbish is said and written about the death of books. Five years ago, when Amazon ebo
12、ok 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 changed the shelf space to physical books. It saw a 5% rise in sales. Though the bookshop h
13、as 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 other, hear writers and experience books with a group. It is in plays, concerts, comedy, lec
14、tures, 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 been the palace of the mind, the “University of All”. The Internet has removed its complete cont
15、rol of knowledge, but cannot copy its sense of place, its joy of human gathering.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。4What is stressed by mentioning Matthew Battles?AThe meaning of the American Dream.BThe role of libraries in Americans life.CThe things people can learn in a library.DThe de
16、crease 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。5What did people use to think about books?ADigital technology left books dying.BA lot of books were becoming rubbish.CPhysical books took up too much space.DBooks 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 t
