1、人教选择性必修第四册Unit 1 Assessing Your Progress教学目 Lead-in视频：创意的步行机器人视频：创意的步行机器人学习目标学习目标12To review the key words,expressions and grammar by doing the exercises To design a robot or an AI deviceTo learn about the strange phenomenon and peoples speculation by watching a video about the mysterious crop circl
2、es in the UK 3目标一：目标一：To review the key words,expressions and grammar by doing the exercisesfiction,bonus,integrity,dignity,salary,appointment,nail,saleswoman,guilty,suspend,dismiss,declare,weekly,calculate,chairwoman,gramme(gram),flour,venue,salesman,superior,labour,leather,panel,inch,backwards(bac
3、kward),niece,fetch,handkerchief,lamp,pace,division,urge,random,maximum,explode,mud science fiction,test out,more like,set up,get caught up,on a.basis,pros and cons,superior to,take over,conflict with,turn out,fall away,have an urge to do,switch offActivity 1:Review the key words and expressions.Task
4、 1 Recall the key words and phrases in this unit,and choose a few to share their usages.Task 2 Complete the following sentences using the correct forms of the words in the box.fetch superior to calculatehave an urge tosuspenddismissexplodepace1.Batteries are not allowed by airlines in checked luggag
5、e,as they might _ due to overheating.2.The new generation of smartphones is greatly _ older version.3.Since I dont have much time,I need to _ how long it will take me to do the task.explodesuperior tocalculate4.Ordered by its master,the AI dog _ the book from the bookshelf.5.I was so pleased to hear
6、 the bell ring and our teacher announce,“Class is _.”6.The company has to _ the space exploration project due to financial problems.7.City people are experiencing increasing psychological pressure as a result of a faster _ of life and rising competition.8.At one time or another,each of us probably _
7、 break the routine of daily life and try something new.fetcheddismissedsuspendpacehas an urge toActivity 2:Review the grammar.Task 1 Review the passive voice.一、被动语态常用于以下两种情况一、被动语态常用于以下两种情况 1.不知道谁是动作的执行者,或者没有必要指出谁是动作的执行者。2.强调动作的承受者。二、将主动语态变为被动语态应注意的几种情况二、将主动语态变为被动语态应注意的几种情况1.含双宾语的主动结构变为被动结构时,有两种方法:(1
8、)间接宾语变为主语,直接宾语不变;(2)直接宾语变为主语,间接宾语用介词to或for引导。2.动词短语视为一个整体,其后的介词或副词不能省去。3.复合句通常将宾语变为被动句的主语,而宾语补足语就成为主 语补足语。注意:省略to的不定式作宾语补足语时,不定式符号 to必须补上。三、三、常见主动表被动的情况常见主动表被动的情况1.有些动词(cut,sell,read,write,fill,cook,lock,wash,drive,keep等)常用主动形式表被动。2.在某些形容词(hard,difficult,easy,heavy,fit,good,comfortable,convenient,im
9、possible,cheap,expensive等)后的不 定式用主动形式表被动。3.“半系动词+形容词”结构,look,smell,taste,sound,feel,prove,turn out等。4.need,want,require,deserve,be worth后面接动词的-ing形式,主 动表被动。Task 2 Read and complete the following sentences with appropriate forms of the words in brackets.Then think about why the passive voice is used
10、in these sentences.1.Mobile phones must _ during the concert.(switch off)2.When I came here at this time last year,the conference hall _.(build)3.Topics like life in the future,AI development,and aliens _ in sci-fi.(often found).4.Do you know which country _ by Italy,Austria,Germany,and France?(bord
11、er)be switched offwas being builtare often foundis bordered5.Continuous research _ on smart schools,smart homes,and smart cities.(conduct)6.It should _ that the result of your examinations will not _.(note;publicise)7.It _ that more species will become extinct if we continue to destroy the ecosystem
12、.(assume)8.All members of the audience should _ smartly,and the wearing of slippers _ in the concert hall.(dress;not allow)has been conductedbe publicisedis assumedbe dressedbe notedis not allowedActivity 3:Reflecting.What interesting things about science fiction did you learn in this unit?What new
13、vocabulary and structures did you learn in this unit?How well can you use them?Do you think comparing and contrasting,and listening for discourse markers were useful strategies for you to understand the texts?What problems did you have with this unit?How did you solve them?Overall,I thought this uni
14、t was inspiring useful so-so difficult.目标二：目标二：To design a robot or an AI device Activity 1:In groups,do some research about robots or AI devices in sci-fi films and novels,and write a list of as many robot characters or AI devices as you can think of.Use the Internet to help you.the Star Wars movie
15、s WallE Big Hero Six the Transformers movies Pacific Rim the Foundation SeriesActivity 2:Make a table like the one below and fill in the parts for different robot characters and AI devices on your list.Movie/Novel NameCharacteristicFunction/AbilityUnique qualityStar WarsR2-D2Brave,funny,mischievousC
16、o-pilot,hackcomputersHe speaks in beeps and whistles.Activity 3:Create your own robot character or AI device.Consider the following questions and make notes.1.What is your robot or AI device called?Why?2.What does it look like?Why?3.What can your robot or AI device do?Why and how?4.Does it have a pe
17、rsonality or specific function?If so,what is it like?5.What makes your robot or AI device unique?Activity 4:Prepare your design for submission to a science fair using the following guidelines.Step 1 Design a poster or slide presentation showing your creation,including a name,title,and pictures of yo
18、ur robot or AI device.Step 2 Write a description of the robot or AI device.Step 3 Make a presentation using your poster or slides.Suggested Answer Bug-Eye Our robot is called Bug-Eye because it looks like a small bunny rabbit with big eyes.We choose this idea because many children cannot have pets,b
19、ut every child can have a small robot in their house.Bug-Eye is small enough that it can even fit in a schoolbag.And since it does not eat or drink anything it is easy to take care of.Bug-Eye plays and does funny things.For example,if it hears a loud noise it makes a squeal and jumps in the air.Then
20、 when you pet it,it snuggles up to you and falls asleep.What makes our robot unique is thatapart from being a toyit can also keep young children safe.For example,if anyone tries to hurt their owner,it will bite them.One of its big eyes is a camera which is connected by the internet to a computer.Tha
21、t way the childs parents can see what the child is doing.And with the built-in positioning system,they can also keep track of where their child is.Both children and their parents will love Bug-Eye.Children will love it because it is cuddly and does tricks,and parents will love it because it helps th
22、em protect their child.目标三：目标三：To learn about the strange phenomenon and peoples speculation by watching a video about the mysterious crop circles in the UKActivity 1:Before you watchMysterious Crop Circles This video examines a strange phenomenon that has taken place in the English countryside for
23、many decades.From time to time,crop circle patterns have appeared,with people debating for years their possible causes and meanings.Task 1 Look at the picture and the title.Know something about Mysterious Crop Circles.Task 2 Look at the photos from the video and discuss the questions in groups.1.Wha
24、t do you think these patterns represent?2.Who or what do you think made these patterns and how?1.I dont think these patterns represent anything.They just look like nice designs.2.I think they were made by people as a practical joke.Activity 2:While you watchAnswer these questions.1.Who do some peopl
25、e think the circles are made by?2.Why did Mr Presley decide to find out more about the circles?3.Where were other types of circles found?4.Why do Matthew and his team like making crop circles?5.What does Matthew think some people use the crop circles for?Suggested Answers 1.Some people suggest that
26、different cultures may have constructed them as ways of communicating with aliens.Others say that ancient peoples must have created them to please the gods.2.He loves puzzles.3.In a forest near Vancouver,a body of water while the area around it remains frozen.4.Because they think that crop circle de
27、sign is actually a creative art done by human beings,and the teams sometimes challenge each other to amaze the public by showing what they can do in an evening.5.He thinks that some people are using the circles to push their own unusual theories.Activity 3:After you watchDiscuss the following questi
28、ons in groups.1.Do you believe crop circles are all made by humans or by aliens?What do you think the crop circles represent?2.What kind of crop circle would you create?Discuss and decide on its appearance and meaning.Draw it on a large sheet of paper.Then present it to the rest of the class.Suggest
29、ed Answers 1.I think they are made by humans.I just have trouble believing that aliens would travel millions of kilometres through space just to leave circles on the ground.In my opinion,these circles only represent human beings interests about attracting others attention,including aliens.2.I would
30、make a crop circle of the comic character Monkey King,because it looks like it would be a challenge and because it would be fun to confuse people who thought all crop circles are made by aliens.学习总结学习总结1.Have you mastered the important language points in this unit?2.Have you learnt how to design a robot or an AI device?
