2019新人教高中英语选择性必修一Unit2Uing Language课本P18-P21公开课...

2019新人教高中英语选择性必修
Unit 2 Using Language1--Make predictions about future changes
Teaching aims:
1.Enable students to understand interviews that predict future technological life.
2.Talk about the future of work and life with predictive language function projects.
3.Express your own opinions after logically analyzing the impact of technology development in the future. 
Teaching key and difficult points:
1.Help students to predict future technological life and learn the related sentences or phrases to express their curiosity.
2.Enable students to logically express their opinions after analyzing the the technology’s influence on the future.
Teaching procedures:
StepⅠLead-in
Activity 1 Before you listen,look at the pictures.Think what these pictures show and match the words with the pictures.
    automation 
    nanobots 
    global warming 
    artificial intelligence(AI) 
    cloning 
Suggested answer:
3 2 5 1 4
Activity 2 Discuss these questions in groups.
(1)How do you think these events or such technology might develop in the future?
__________________________________________________
(2)What challenges might they bring?
__________________________________________________
(3)What opportunities might they bring?
___________________________________________________
Suggested answers:
(1)No doubt,AI will develop to the point where humans and computers will be able to interface effortlessly.
(2)With the development of AI,there may come a time when it becomes a real issue as to whether a computer or machine has in fact achieved consciousness,and whether,as a conscious being,it deserves the same rights as human beings.
(3)AI may help us solve problems that are currently too big and overwhelming for us to solve on our own.For example,complex AI models acceptlanguagemay be able to use given data to develop a workable solution to global warming.
StepⅡThe first listening
Listen to a radio interview with Dr Han and Vincent Black giving their predictions about the future,and then fill in the table below.
Name
Occupation
Prediction
Dr Han
Vincent Black
Suggested answers:
Dr Han:computer scientist Computers will be cleverer than us and can think like humans,but they will do us no harm.
Vincent Black:architect People will live in the cities floating above the sea.
StepⅢ The second listening
Activity 1 Listen and answer the questions.
(1)What is the name of the radio programme?
________________________________________________
(2)What is the radio host’s concern about smart computers? 
________________________________________________
(3)How can this problem be avoided according to Dr Han?
________________________________________________
Suggested answers:
(1)Future Changes.
(2)The host is worried that such computers will be dangerous.
(3)By programming computers not to think in ways that may harm humans.
Activity 2 Listen to the conversation and fill in the blanks.
(1)With global warming causing       ,the sea level rising by many metres is a very      
(2)I’ve developed a plan by       that borrows many ideas from the giant water lily,a flower that      
(1)polar ice to melt;realistic prospect
(2)designing a city;floats on the water
StepⅣ Talking
Activity1 Work in pairs,and discuss whether Dr Han and Vincent Black’s predictions are possible.Why or why not?
Suggested answer:
I think Dr Han’s prediction is impossible.Computers can never be cleverer than us.Because they are programmed by humans.
I think Vincent Black’s prediction is likely to happen.Because of global warming,the sea level is rising.Some places will be flooded and the land is getting smaller.Hence,it is a good idea to build houses above the sea.
Activity 2 In groups,brainstorm about the future.Discuss these points.
future events or problems the world might face
future technologies
how these things will change the way we live
the challenges and opportunities these things might bring
Activity 3 Imagine that you have a job that makes you an expert in the future.In pairs,interview each other about your jobs and predictions.
You can use the following useful expressions:
      Making predictions
I think/believe/predict that in the
My prediction is
By 2030,we
In the (distant)future there
I can

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