1、Unit 3 ComputersPeriod OneWarming Up & ReadingPrereading.阅读理解AIn the near future，we may be using our eyes to operate our smartphones and tablets，even when it comes to playing popular games like Fruit Ninja.The Gaze Group has been developing eyecontrolled computer technology for nearly 20 years.But t
2、hose devices have been firstly designed to help those with disabilities，and are very expensive.“After a while，we figured out that probably the best way is to go for a massmarket way，” says Gazes Sune Alstrup Johansen，“where everybody would have this available.”Johansen and some of his colleagues hav
3、e formed a new company，The Eye Tribe，which is hoping to develop the technology on a mass commercial level.The technology works when combined with the computing device toward the users face.After making sure of the users eye movements，the technology is then able to easily find where a persons eyes ar
4、e moving，and then allow the eyes to control a cursor(光标)“Our software can then determine the location of the eyes and know where youre looking on the screen to make sure what youre looking at，” reads an explanation on The Eye Tribe site.There has been a gradual change toward handsfree technology in
5、recent years，particularly in the gaming world.Recently Xbox released the Kinect device，which lets users control their Xbox and play certain games using only their hands，legs and voices.But still，most of these devices have been more of a gimmick than a practical way to use ones hands to control a mob
6、ile device.Johansen said a replaceable filter(滤光器) would be a cheap，convenient way for most consumers.And even as companies like The Eye Tribe work to create such a product for the average user，making the eyecontrolled technology more accessible and less expensive will have similar benefits for phys
7、ically disabled users.For more articles on modern science，please CLICK here.语篇解读本文主要介绍了在不久的将来，人们手中的智能手机和平板电脑或许可以用眼睛操控了，甚至在玩像水果忍者这样的流行游戏时也是如此。1Which of the following is the main idea of the passage？AAn introduction of a new device.BAn introduction of smartphones.CAn introduction of eyecontrolling tec
8、hnology.DAn introduction of a new technology for the disabled.答案C解析主旨大意题。本文主要介绍了在不久的将来，我们可能会用我们的眼睛操作我们的智能手机和平板电脑，甚至在玩像水果忍者这样的流行游戏时也是如此。故选C。2The underlined word “gimmick” probably means “ ”Atruth BphoneCtrick Dreview答案C解析词义猜测题。根据画线词所在句可知，它不是一种用手控制移动设备的实用方法，由此可以猜测出这些设备大多只是一种噱头，也就是一种用以吸引人的技巧，故画线词gimmic
9、k的意思是：trick(技巧，诡计)。故选C。3According to the passage，we can learn that .Athe eyecontrolling technology was first developed for the blindBthere is no such a phone as we can use only with our eyes at presentCthe present developing of the technology will bring no goodDthe eyecontrolling technology is only
10、intended for the disabled people答案B解析细节理解题。根据第一段“In the near future，we may be using our eyes to operate our smartphones and tablets，even when it comes to playing popular games like Fruit Ninja.”可知，不久的将来我们可能会有这样的智能手机，所以说目前我们还没有这样一部用眼睛控制的手机。故选B。4This passage is probably taken from .Aan experiment repo
11、rt Ba science fictionCa school textbook Da science website答案D解析文章出处题。最后一段“For more articles on modern science，please CLICK here.”中的“CLICK”是“点击”的意思，由此可以推断出该文章摘自一个科学网站。故选D。BPerhaps you have heard a lot about the Internet，but what is it，do you know？ The Internet is a network.It uses the telephone to jo
12、in millions of computers together around the world.Maybe that doesnt sound very interesting.But when youre connected to the Internet，there are a lot of things you can do.You can send emails to your friends，and they can get them in a few seconds.You can communicate with your friends through social so
13、ftware such as QQ，WeChat，Facebook，and so on.You can also do with all kinds of information on the World Wide Web (WWW)There are many different types of computers now.They all can be linked to the Internet.Most of them are small machines sitting on peoples desks at home，but there are still many others
14、 in schools，offices or large companies.These computers are owned by people and companies，but no one really owns the Internet itself.There are lots of places for you to surf the Internet.For example，your school may have the Internet.You can explore the Internet to search for useful information or kno
15、wledge in your classroom.However，in order to prevent yourself from playing with computer games，you should use it in limited time.Libraries often have computers joined to the Internet.You are welcome to use it at any time.Thanks to the Internet，the world is becoming smaller and smaller.It is possible
16、 for you to work at home with a computer in front，receiving and sending the information you need.You can buy or sell whatever you want through the Internet.But do you know 98% of the information on the Internet is in English？ So what will English be like tomorrow？语篇解读本文介绍了什么是网络、网络的功能及其在人们生活中的广泛应用。5W
17、hat is the passage mainly about？AThe Internet. BInformation.CComputers. DEnglish.答案A解析主旨大意题。本文在第一段点出主题：网络是什么。下文进行了具体介绍。故选A。6You can do all the following things through the Internet EXCEPT for .Asending and receiving emailsBchatting with your friendsCbuying and producing thingsDdealing with informati
18、on答案C解析细节理解题。第二段和最后一段介绍了网络的用途，提到了A.B.D三项，C项中的producing things文中并未提及。7Who is the owner of the Internet？AThe headmaster.BThe government officer.CThe user.DNo one.答案D解析细节理解题。根据第三段最后一句“These computers are owned by people and companies，but no one really owns the Internet itself.”可知答案。8What does the write
19、r try to tell us in the last two sentences？AThe Internet is more and more popular.BEnglish is important in using the Internet.CMost of the information on the Internet is in English.DEvery computer must be joined to the Internet in English.答案B解析推理判断题。根据文中最后两句可知，98%的网上信息，都是用英语呈现的，这说明了使用电脑的过程中英语的重要性。故选
20、B。CFor many kids，the Internet is at their fingertips.From computers to smartphones，a web of information is open to them.According to a new report from the Pew Research Center，about three out of four kids aged 12 to 13 connect the Internet using a mobile device(移动设备) from time to time.Many younger ki
21、ds are online too.Julian Zeitlinger，9，from New Jersey，uses his computer to watch videos and play games.To keep him safe online，his parents monitor(监测) his web use and discuss Internet safety with him.“I ask my parents for help if something is wrong，” Julian says.Mobile devices offer more ways than e
22、ver to share personal information.The information can be dangerous in the wrong hands.A study found that 62% of children aged 8 to 17 have had an unpleasant online experience.Have you ever had to enter a parents email address when signing up for a website？ That safety net is there because of the Chi
23、ldrens Online Privacy Protection Act (COPPA)The law says sites for kids under 13 cannot collect personal information，such as a phone number or full name，without a parents permission(允许)This July，the Federal Trade Commission (FTC) will update COPPA for the first time since the law was created，in 1998
24、when there were no smartphones.“The nature of the way kids get online has changed，” FTC lawyer Phyllis Marcus said.When the changes take effect，COPPA will apply to mobile devices and newer forms of advertising.It will expand what falls under “personal information” to include videos，photographs and s
25、ervices that give user location (位置)COPPA doesnt cover everything that can go wrong online.Thats why kids and parents need to know what to look out for and to stop and think before sharing information online.“There is a misunderstanding that if a site is following COPPA，it is totally safe，” says pri
26、vacy expert Shai Samet.He runs KidSAFE，which checks whether a site meets KidSAFE standards and is safe.“Its important that kids know how useful the Internet is but that it also can be dangerous if you are not careful，” he adds.语篇解读本文是一篇说明文。主要介绍了儿童上网的安全问题及COPPA法案的成因及发展等。9Julians parents check his web
27、 use to make sure .Ahe doesnt watch too many videosBhe doesnt play computer gamesChe stays safe on the InternetDhe controls his online time答案C解析细节理解题。根据第二段中的“To keep him safe online，his parents monitor(监测) his web use”可知，朱利安的父母监测他的上网情况是为了确保他的网络安全。10How does the author explain childrens unpleasant on
28、line experiences？ABy describing his own experiences.BBy presenting scientific research.CBy showing differences.DBy using examples.答案B解析写作手法题。根据第三段中的“A study found that 62% of children aged 8 to 17 have had an unpleasant online experience.”可知，作者主要是通过引用研究结果来说明孩子们不愉快的上网经历。11People often hold the wrong
29、idea that .Aformal websites are always safeBthe Internet is becoming safer and saferCCOPPA can ensure their complete safetyDdaily checks prevent future online problems答案C解析细节理解题。根据最后一段中的“There is a misunderstanding that if a site is following COPPA，it is totally safe”可知，人们认为遵循COPPA法案的网站可以确保他们上网的绝对安全
30、，然而事实表明，这是一种误解。12Whats the main purpose of the text？ATo ask parents to look out for their kids.BTo tell people to be careful online.CTo offer tips on online safety.DTo introduce an online law.答案B解析写作意图题。通读全文特别是文章最后一句中的“it also can be dangerous if you are not careful”可知，本文旨在告诫人们在上网时应该小心谨慎。故B项符合题意。.七选
31、五Happiness is not the absence of problems. 13 Here are a few reminders to help motivate you.Pain is part of growing.When times are tough，remind yourself that no pain comes without a purpose. 14 Every great success requires some type of worthy struggle to get there.Good things take time.Everything is
32、 going to come together；maybe not immediately，but eventually. 15 Every time it rains，it stops raining.Every time you get hurt，you heal.After darkness there is always light.So if things are good right now，enjoy it.It wont last forever.If things are bad，dont worry because it wont last forever either.W
33、orrying and complaining change nothing. 16 Its always better to attempt to do something great and fail than to attempt to do nothing and succeed.Its not over if youve lost；its over when you do nothing but complain about it.If you believe in something，keep trying.Dont let the shadows of the past dark
34、en the doorstep of your future.Your scars are symbols of your strength.Never be ashamed of the scars life has left you with.A scar means the hurt is over and the wound is closed.It means you overcame the pain，learned a lesson，grew stronger，and moved forward. 17 AEverything in life is temporary(暂时的)B
35、But it is the ability to deal with them.CRarely do people do things because of you.DA scar is the sign of a success to be proud of.EThose who complain the most，accomplish the least.FMove on from what hurt you，but never forget what it taught you.GChange because it makes you a better person and leads
36、you to a brighter future.语篇解读幸福不是不存在问题，而是拥有解决问题的能力。本文给了一些建议，可以帮助你激励自己。13答案B解析根据上句“幸福并不是不存在问题。”可知，B项(而是解决这些问题的能力)承接上文。故选B。14答案F解析根据上句“艰辛时刻，提醒自己没有无缘无故的痛苦。”及后一句“每一个伟大的成功都需要一些有价值的努力才能实现。”可知，此空要表达的意思是：从伤害你的事中走出来，但不要忘记它教会了你什么。故答案为F。15答案A解析此空是一个小标题。根据本段前两句“每次下雨，雨都会停。每次受伤，最终都会痊愈。”可知，此处要表达的是：生活中的一切都是暂时的。故选A。16答案E解析本段讲的是：忧虑和抱怨改变不了什么。此空位于段落首句，根据后一句“尝试做一些伟大的事情，失败总比什么都不尝试而成功要好得多。”可知，那些抱怨最多的人，成就最少。故答案为E。17答案D解析根据本段标题“你的伤疤是你力量的象征。”可知，伤疤是你引以为豪的成功的标志。小标题中的scars are symbols和D项中的A scar is the sign意义相近。故选D。