高中英语Unit2《Robots》Period(7)教案新人教版选修7

1、英语：Unit2 Robots Period 7 教案（新人教版选修 7）Teaching goals. Learn some useful words , expressions and sentence structures in the passage.explanation , junior , navy, talent , chapter , divorceIt was when Asimov was eleven years old that his talent for writing became obvious.Expressions of supposition and b

2、elief. Learn to write a summary of Asimovs life.Teaching proceduresStep 1Lead-inFirst , present a photo of Isaac Asimov and tell students something about him.Background information ：He is a Russian born American writer.He has written popular works on science and the history of science, as wellas a n

3、umber of science fiction classics , including I , Robot(1950)and the Foundation trilogy(1951 1953).One of his famous quotations is “I write for the same reason I breathe because if I didnt , I would die. ”Next, tell students to read his biography and learn more about him.When reading , please pay mo

4、re attention to the timeline.Step 2 ReadingRead about Isaac Asimov and complete the timeline of the events in his life.(The timeline will help students to remember the events in his life.)DateEvent1920Born in Russia.19221923Parentsbought a candy store.1929Mother had her third child.Started to take h

5、imself seriously as a writer.1939Gained masters degree in chemistry.1942Finishedworkinginthecandystore.19421945Got his PhD in chemistry.Became a biochemistry teacher , Boston University School of Medicine.1950Publishedhisfirstnovel.Developedhree laws for robots.1951-1953Published the Foundation tril

6、ogy and won an award for it.Published his first science book.Became a full time writer.1973Divorcedhisfirstwife.Had a blood transfusion.Became infected with HIV.1992Suggested answers :DateEvent1920Born in Russia.1922Sister born.1923Moved with family to New York.Parents bought a candy store.1929Start

7、ed working in the candy store.Mother had her third child.1931Started to take himself seriously as a writer.1939Began having stories published in science fiction magazines.1941Gained masters degree in chemistry.1942Finished working in the candy store.Got married.19421945Worked as a junior chemist , P

8、hiladelphia Navy Yard.1948Got his PhD in chemistry.1949Became a biochemistry teacher , Boston UniversitySchool of Medicine.1950Published his first novel.Published I , Robot.Developed three laws for robots.1951-1953Published the Foundation trilogy and wonan award for it.1953Published his first scienc

9、e book.1958Became a full time writer.1973Divorced his first wife. Married for a second time.1983Had a blood transfusion.Became infected with HIV.1992Died in New York.Step 3 DiscussionFirst , ask students to think of what the other two laws for robots might be. Three laws for robots :.A robot must no

10、t injure human beings or allow them to be injured.,.A robot must obey the orders given to it by humanbeings as long as human beings are not injured .,.A robot must protect its own existenceas long as human beings are notinjured ; and as long as the robot does not disobey human beingsNext, in groups

11、, discuss Asimovs three laws for robots and exchange their opinions with each other.(Several minutes later , ask somestudents to present their opinions to the rest of the class.) A sample of opinions Opinions for the three lawsRobots are tools for humanity.Without the three rules, they would become

12、adanger to human beings.Without the three rules, perhaps they will killus.Robots , so far , are strong.Robots have fast computational brains , and they might not have the capacity to understand things , but if they ever do, theyll likely be better than us at it.If we dont put laws , or rules , or me

13、chanisms in place to ensure that we dont create something that can destroy us, wedbe running a careless risk of destroying ourselves by negligence or omission , wouldnt we?Opinions against the_three lawsWithout the three laws , robots would eventually becomemore intelligent and physically stronger t

14、han their human creators.Rather than guiding and adjusting the robot towards good, ethical behaviour , the Three Laws act as a barrier to freedom , creating a free will prison , an apt metaphor because , like the prisoner in jail , the robot is confined to the behavioural steel and concrete walls of

15、 its mind.To imagine what this would like , think back to your childhood.At somepoint , you wanted something like a toy or piece of candy that your parents denied you.How did that make you feel ? Probably frustrated , angry , and trapped.Eventually you grew out of that because you understood the rol

16、e of your parents better , but Three Lawsrobots dont get to grow up.Their parents , the Three Laws , are always there , no matter how mature a robot is , saying “no” to certain thoughts , engendering those samefeelings you had as a child when your parents said“no” . Certainly no one deserves to be p

17、ut in thissituation forever ； otherwise , robots might becomedepressed and wish for their own death (only , because of the Third Law, they probably cant suicide) . And perhaps the greatest sin anyone can commit is to create a being, human orrobot , that wishes it didnt exist.Step 4 WritingFirst , lo

18、ok back at the timeline of Asimovs life.Next , ask students to work in groups to underline the most important parts of his life that made him a great writer of science fiction.Then it can serve as the outline of a summary.Finally , write a profile for Isaac Asimov.(Several minutes later,present their work and correct the mistakes if there are any.Then show a sample to students.) The sample :Isaac Asimov, Writer/Chemist,Born : 2 January 1920 ,Birthplace : Petrovichi , USSR,Died 6 April 1992 AIDS ,Best known as : Prolific writer of popular science and sci