【课件】Unit+1(Listening+and+Speaking)+课件人教版（2019）选择性必修第四册.pptx

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1、Unit 1 Science FictionListening and Speaking Voice your opinions on robots and AILearning objectivesLearning objectivesLearning objectivesLearning objectivesuListen to an interview between the host and a sci-fi expert about robots.uTalk about Isaac Asimovs Three Laws of Robotics and what you think o

2、f robot technology.Lead-inLead-inLead-inLead-inEnjoy a video about AI1.What jobs are these robots doing?What are the pros and cons of robots doing these jobs?2.What kinds of robots or AI developments do you hope for?1Look at the pictures and discuss the questions in pairs.What kinds of robots or AI

3、developments do you hope for?I hope for an educating robot because I can ask any questions when I have troubles in learning.DiscussionDiscussionListen to an interview and put these statements in the correct order.2_ The host introduces the guest,a sci-fi expert._ The expert has robots in his home._

4、As robots become more intelligent,they may also become more dangerous._ The host mentions Asimovs Three Laws of Robotics._ The expert says robots will have occupations such as teaching and nursing._ The line between humans and robots will be more blurred in the future._ The host asks about benefits

5、and problems._ The host asks if there are robots in the experts home._ In sci-fi stories,robots often become superior and take over.194275683Listen to the interview again and write down the discourse markers that you hear.Make a note of how each discourse marker is used in the interview.Then compare

6、 your answers with a partner.Listen for discourse markersDiscourse markers are used to organize a text by marking sequence,contrast,opinion,purpose,and so on.Listening for discourse markers can help you understand a text more easily.For example,first,however,above all,in order to etc.3In groups,disc

7、uss what the expert thinks of the questions and exchange your own views.You may use the following expressions to help you.4Changing the topicOh,by the way,.Oh,I remember,I nearly forgot!What I meant to tell/ask you is ,but(perhaps)thats beside the point.That reminds me of The next item on the agenda

8、 is I think we ought to move on to.On the one hand On The other hand Oh,there was something I meant to tell you.Could I change the subject?1.What do you know about robot technology?What can robots do?2.Do you know anything about Isaac Asimov and his famous Three Laws of Robotics?What do you think of

9、 these laws?3.Do you know anything about Isaac Asimov and his famous Three Laws of Robotics?What do you think of these laws?5D D D Discussioiscussioiscussioiscussion n n n1.What do you know about robot technology?What can robots do?Robots technology has its cons and pros.It can bring great convenien

10、ce to human beings together with some scientific or moral problems.A robot is a machine that can do a task according to computer programs or through the use of some kind of controls2.What benefits do you think robots or AI will bring?Do you think they will cause problems as well?Themainbenefitsareth

11、attheycandosomekindsofworkmorequickly,better,andcheaperthanhumans,andthattheycantaketheplaceofhumanswhennohumansareavailableorwhenhumanscannotdothework.Theycancauseproblems,however.First,whathappensiftheynolongerservepeopleorstopfollowingorders?Second,thereisthepossibilitythatatsomepointwewillhavedi

12、fficultydeterminingwhatconstitutesalivingbeingandwhatconstitutesamachine.3.Do you know anything about Isaac Asimov and his famous Three Laws of Robotics?What do you think of these laws?3.Do you know anything about Isaac Asimov and his famous Three Laws of Robotics?Yes.I do.Isaac Asimov introduced th

13、em into most of his science fiction writings to show that robots could be prevented from harming us or our world.They are not actual scientific laws,but rather guidelines for their human programmers to follow to keep our world safe.At first glance,the rules seem logical and reasonable but they also

14、seem outdated.What do you think of these laws?Three Laws of RoboticsExampleA:Oh,by the way,I saw a programme about robot doctors last night.It was very interesting.Do you think robots will do more of these important jobs in the future?B:Certainly.They will probably do most of our labour for us.C:May

15、be,but thats beside the point.In my opinion,robots are dangerous!They are much stronger than we are and may be superior to us in the future.A:Oh,by the way,I saw a program about robot doctors last night.It was very interesting.Do you think robots will do more of these important jobs in the future?B:

16、Certainly.They will probably do most of our labour for us.C:Maybe,but thats beside the point.In my opinion,robots are dangerous!They are much stronger than we are and may be superior to us in the future.A:I think we ought to move on to the topic of robot technology.I know the idea of it has been aro

17、und forever.The ancient Greeks and Chinese both made clever devices that werent much different than some of the robots we have today.B:Yes,but the modern idea of intelligent robots that look like humans is only about 100 years old.C:I think we had better move onto what robots can do.Lets see.there a

18、re simple repetitive tasks like factory work and housework.A:Yes,and I think there will be more complex jobs in the future like in healthcare,education,or entertainment.C:Oh,there is something else I meant to ask you-does anyone know who even came up with the word robot?B:Wasnt it Isaac Asimov?He wa

19、s that scientist who wrote a lot of science fiction stories.A:No.the word robot was coined much earlier.I think.C:But thats beside the point.I think we ought to move onto the benefits and dangers of AI to humans and our society.A:Oh,I nearly forgot why Asimovs writing was so important-he creat the Three Laws of Robotics.Law 1,robots cant injure humans or allow them to come to harm;Law 2,a robot must obey any order Thank YouThank YouThank YouThank You