云南省陇川县第一中学高中英语 Unit 2 Robots语言技巧教案 新人教版选修7

1 云南省陇川县第一中学高中英语云南省陇川县第一中学高中英语 UnitUnit 2 2 RobotsRobots 语言技巧教案语言技巧教案 新新 人教版选修人教版选修 7 7 Teaching goals 教学目标 1 Target language 目标语言 a 重点词汇和短语 explanation junior navy talent chapter divorce b 重点句型 It was when Asimov was eleven years old that his talent for writing became obvious A robot must not injure human beings or allow them to be injured 2 Ability goals 能力目标 Enable students to express supposition and belief Learn to write a paragraph describing the new type of robot 3 Learning ability goals 学能目标 By proper language input students learn to express supposition and belief Use their imaginations and write a paragraph describing the new type of robot Teaching important and difficult points 教学重难点 Write a paragraph describing the new type of robot Teaching methods 教学方法 Listening discussing reading and writing Teaching aids 教具准备 Multi media computer Teaching procedures otherwise robots might become depressed and wish for their own death only because of the Third Law they probably can t suicide And perhaps the greatest sin anyone can commit is to create a being human or robot that wishes it didn t exist 4 Step Listening and speaking Listening Deal with the listening exercises By doing Ex3 students learn to express supposition and belief This exercise will lay a good foundation for Ex4 T OK so much for Isaac s biography and his three laws for robots Let s come back to his short story Satisfaction Guaranteed How do you like this story S1 I like the story very much I wish to have a robot like Tony at my house T You are not alone Someone else wants to have such a Tony too Now please listen carefully and then guess who she is Ask students to look through the questions before playing the tape Play the tape again when necessary Discussing Students are asked to work in groups and imagine having robots in their houses to do the housework Discuss what positive or negative effects the situation would be Don t forget to use expressions used to express supposition and belief Students are given five minutes Five minutes later ask some students to present their ideas to the whole class Encourage every student to use his imagination because there re no right or wrong answers only different opinions After students present their opinions teacher speaks out his or her opinion A A samplesample ofof teacher steacher s opinion opinion Positive effects I think it is wonderful for people to have robots in their houses to do the housework After a day s work when people get home they can be really relaxed with everything prepared by their robots A robot never gets tired Nor does it complain Life will be very easy and comfortable Negative effects Maybe people can enjoy a very comfortable life with the help of their robots But at the same time I believe people will lose the ability to do housework As time goes on people cannot live well without a robot s help I think that kind 5 of life would be terrible WritingWriting Students are asked to work in groups First decide the purpose of the robot then make a list of the abilities the robot has Next draw a picture on a piece of paper and name its parts and explain what each part does Finally write a paragraph describing the robot and what it can do Show the following to help students to design their robots or print it out Tips on designing your robots For each robot that you build you will have to choose options for six major robot characteristics Each characteristic gives rise to one or more questions These are Looks What does the robot look like Is there a reason for it to look as it does Sensing How does the robot know or figure out what s in its environment If it were put in a different environment would it be able to figure out this new environment Movement How does the robot move within its environment If it were put in a different environment would it still be able to move within this new space Manipulation How does the robot move or manipulate other objects within its environment Can a single robot move or manipulate more than one kind of object Energy How is the robot powered Can it have more than one energy source Intelligence How does the robot think What does it mean to say that a robot thinks Not all robots have to have all six characteristics For example some robots don t need to manipulate things so they have no manipulating characteristics Some robots have more than one manifestation of a characteristic For example a robot may be able to sense its environment using both a vision system and sonar Things to Think About Before designing your own robot you might want to think about a situations or tasks for which it makes more sense to use robots rather than 6 humans b why it has been difficult to build robots that replicate human characteristics c whether it will ever be possible to build a robot whose intelligence will be close to that of a person You may also want to a list all the robots you know whether from movies television literature toys etc and then think about why all these creatures are considered to be robots b think about how you can tell if something is a robot Is it by looks behavior or something else c ask how you might communicate with a robot Would you use speech pres