1、UNIT 3 THE INTERNETPart 2 Discovering Useful Structures & Listening and Talking课后基础练课后基础练I 在空白处填入 1 个适当的单词或括号内单词的正确形式。1.Learning basic English before you travel will help you to understand these customs andavoid mistakes that could be _(embarrass).2.Theterm“herdbehaviour”comesfromthebehaviourofa
2、nimalsinherds,_(particular) when they are in danger situation.3.You neednt install(安装) an expensive GPS system to keep track _ your car.4.By keeping the outside of the home _ great shape, you will help to improve thelook and feel of the area.5.But for a driver who isnt familiar _ the road conditions
3、, the zebra crossing couldeasily influence his judgment and make him stop in time.6.The lessons, provided by a company called Third Space Learning, _(target) atpupils struggling with mathsespecially those from disadvantaged backgrounds.7.The good environment and water resources have contributed much
4、 to the growth of the tea,_(confirm) the saying that “Longjing tea is the best tea in the world”.8.Since Jack was laid off from his job three months ago, he _(look) for a new one,but without luck.9.Today, he is so good at woodcarving that his home city allows him to work his magic onold tree stumps
5、and so far about 40 works of art _(create) in the local parks.10.The boy found himself in a situation _ it was hard to make a choice, so he askedhis parents for advice.II同义句转换1. They have built many houses in the village in the past few years. Many houses _ _ _ in the village in the past few years.2
6、. They should have completed the project earlier this month. The project _ _ _ _ earlier this month.3. Jacks boss has always praised him for his devotion to work Jack _ _ _ _ by his boss for his devotion to work.4. They have found a good place to build a nest in the community. A good place _ _ _ to
7、build a nest in the community.5. They havent decided how to solve that difficult technological problem yet. How to solve that difficult technological problem _ _ _ yet.III完成句子1谁已经得到了这台新计算机的帮助？Who _ _ _ by the new computer?2.这些汽车修好了吗？不，还没有。_ the cars _ _?No, they havent.3这些花已经被浇水了，你可以回家了。These flower
8、s _ _ _; you can go home.4这本书已被译成多种语言。This book _ _ _ into many languages.IV语法填空Dear parents,We hope you will welcome this news. Almost 100 computers1(give) to us by a localcomputer company since the end of last year. A decision2(make) already that we will begin acomputer teaching experiment in our
9、school. So every teacher3(provide) with a laptop sincethe beginning of this term.Since then, most of our courses4(teach) by using computers. A lot of information5(take) from the Internet to help us.1._2._3._4._5._V 阅读理解Alexa is a form of artificial intelligence, or AI for short. Many people start th
10、eir mornings byasking Alexa for the weather forecast or the latest news. A device(设备)that houses Alexa can alsoplay music from your favourite playlists, keep a shopping list, order takeout food, answerquestions, send messages and even run “smart” home controls.Training AI systems to respond to probl
11、ems with human-like intelligence and learn from theirmistakes can take months, or even years. Consider Alexa and similar software, such as Apples Siri.To do the tasks its human owners ask, these systems must make sense of and then respond tosentences such as, “Alexa, play my Ed Sheeran playlist” or
12、“Siri, what is the capital of India？”Computers cant understand language as it is spoken by people. So AI researchers must find away to help humans communicate with computers. The technology used to get computers to“understand” human speech or text is known as natural language processing. By natural
13、language,computer scientists refer to the way people naturally talk or write. To teach an AI system a tasklike comprehending(理解)a sentence or responding to a persons last move in a board game,scientists need to feed it lots of examples.AlphaGo is an AI system designed by Google that has beaten a hum
14、an champion, Lee Sedol,at the strategy(策略)board game Go. To train AlphaGo, Google had to show it 30 million Gomoves that people had made while playing the game. Then AlphaGo used what it learnt to analysethose plays as it played against different versions(版本)of itself. During this practice, the prog
15、ramcame up with new movesones never seen in games between people.1. What does the example ofAlexa show?A.AI may replace humans one day.B.AI is playing a role in our modern life.C.AI has been widely used around the world.D.AI has totally changed peoples bad habits.2. How do scientists train AI system
16、s?A.By testing them thousands of times.B.By teaching them almost everything.C.By giving them quite a lot of tasks to do.D.By providing them with large amounts of data.3.What can we learn aboutAlphaGo?A.It has become very skillful and intelligent.B.It is the most convenientAI system.C.It avoids makin
17、g any mistake.D.It just follows human orders.参考答案参考答案I 单句填空1.embarrassing句意为：旅行前学习基础的英语可以帮助你了解这些风俗习惯，避免可能会令人尴尬的错误。此处作系动词 be 的表语，描述事物的性质，表示“令人尴尬的”，应用 embarrassing。2.particularly句意为：“羊群行为”一词来自于动物成群结队的行为，尤其是当它们处于危险境地时。此处作状语修饰从句，应用副词。3.ofkeep track of 为固定搭配，意为“记录；保持联系；跟踪”，故填 of。4.in句意为： 通过保持房子外部的良好状态， 你
18、将有助于改善该地区的外观和感觉。in great shape 意为“处于良好状态”。故填 in。5.withbe familiar with 为固定搭配，意为“熟悉”。故填 with。6.are targeted设空处作谓语，与主语 The lessons 之间是被动关系，且叙述的是现在的动作，所以应用一般现在时的被动语态。故填 are targeted。7.confirmingconfirm 在此应用非谓语形式作结果状语，它与前面叙述的内容是逻辑上的主动关系，所以应用现在分词。故填 confirming。8.has been looking设空处作主句谓语，由 Since 从句可知，主句表示
19、的是从过去开始，一直持续到现在，还有可能持续下去的动作，所以应用现在完成进行时。9.have been created句意为：如今，他非常擅长木雕，他的家乡允许的魔法，到目前为止，他在当地公园创作了大约 40 件艺术品。根据时间状语 so far 可知，谓语应用现在完成时，且 create 与主语之间是被动关系，所以应用现在完成时的被动语态。故填 have beencreated。10.where_it was hard to make a choice 是定语从句， 修饰先行词 situation， 关系词在定语从句中作地点状语，所以应用关系副词 where。II 1. have been
20、built2.should have been completed3.has always been praised4.hasbeen found5.hasnt been decidedIII. 1. has been helped2.Have; been repaired3.have been watered4.has been translatedIV. 1have been given考查时态和语态。根据时间状语 since the end of last year 可知，此处用现在完成时，且 computers 和 give 是被动关系，故用现在完成时的被动语态，即 havebeen
21、given。2.has been made 考查时态和语态。根据 already 可知此处指已经决定了的，故用现在完成时，且 decision 和 make 是被动关系，故用现在完成时的被动语态，故填 has been made。3has been provided考查时态和语态。根据时间状语 since the beginning of this term 可知，此处用现在完成时，且 provide 和 teacher 是被动关系，故用现在完成时的被动语态，故填 has been provided。4.have been taught考查时态和语态。根据时间状语 Since then 可知，
22、此处用现在完成时，且 teach 和 courses 是被动关系，故用现在完成时的被动语态，故填 have been taught。5.has been taken考查时态和语态。根据语境可知，此处指已经从互联网上采用了许多信息，应用现在完成时，且 information 和 take 是被动关系，故用现在完成时的被动语态，故填 has been taken。V 阅读理解【语篇导读】 本文是一篇说明文， 介绍了人工智能在我们的现代生活中发挥的重要作用，同时还介绍了科学家对 AI 技术的研究和探索。1.B细节理解题。根据第一段最后一句 Adevice that housesAlexa can a
23、lso play musicfrom your favourite playlists，keep a shopping list，order takeout food，answer questions，sendmessages and even run “smart”home controls.可知，Alexa 的例子表明，人工智能在人们的现代生活中发挥重要的作用。故选 B 项。2.D细节 理解 题。根 据第 三段 最后一 句 To teach an AI system a task likecomprehending a sentence or responding to a persons
24、 last move in a board game， scientists needto feed it lots of examples.可知，研究人员为了让 AI 学习任务，需要给它输入很多例子，让它理解相关的含义。也就是说科学家给 AI 提供了很多数据来训练它，故选 D 项。3.A细节理解题。根据最后一段第一句 AlphaGo is an AI system designed by Googlethat has beaten a human champion， Lee Sedol， at the strategy board game Go.和最后一句可知，AlphaGo 在围棋棋艺上很出色，甚至击败了世界冠军李世石，还有了自己的下法。这说明它棋艺纯熟、特别聪明。故选 A 项。
