英语必修 第一册Unit 2 Travelling around教学设计及反思
展开2019新人教高中英语选择性必修一
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 may 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 future...
My prediction is that...
By 2030,we will...
In the (distant)future there will...
I can imagine/forecast...
I doubt/don’t think that...
One challenge will be...
We will have the opportunity to...
We will be doing...
We are going to...
Suggested answer:
M:Good afternoon,Ms Zhang.Thank you for agreeing to do this interview.
W:I’d love to.
M:First,we want to know whether the global warming will threaten our earth in the near future.
W:Well,it seems that global warming is a big challenge now,but I can predict that by 2050,we will be able to decrease the carbon dioxide emission not only because humans already realized the necessity of protecting our climate but also because we will be using the environmental products which can replace the usage of coal and gas.
M:What will the endangered wildlife be like then?
W:My prediction is that people will spare no effort to live in harmony with the endangered wildlife.So I don’t doubt that the wildlife will be protected well.And we may have the opportunity to enjoy the nature together.
2019新人教高中英语选择性必修一
Unit 2 Using Language2--Welcome or reject future changes
Teaching aims:
1.Enable students to read magazine columns to understand their textual structure and linguistic characteristics.
2.Learn how to ask questions,illustrate points and demonstrate ideas in an argumentative essay.
3.Master the general method of argumentative writing.
4.Write an argumentative essay on the pros and cons of future scientific and technological development.
Teaching key points:
1. Reflect on the different opinions about technological development.
2. Write an argumentative essay on the pros and cons of future scientific and technological development.
Teaching difficult points:
1. Enable students to recognize and use the signposts and learn how to ask questions, illustrate points and demonstrate ideas in an argumentative essay.
Teaching procedures:
StepⅡ Lead-in
Activity 1 Look at the theme of this period(Welcome or reject future changes)and answer the following questions.
(1)What’s your point of view on new technology?
________________________________________________
(2) What are some of the new devices or apps you have been using recently?Are they helpful or distracting?
_________________________________________________
Suggested answers:
(1)As far as I am concerned, the new technology’s advantages over-weigh its disadvantages so I’m in favour of new technology.
(2)I have been using WeChat, QQ and Alipay.I believe they are helpful to our daily life from communicating with our friends to paying without cash in the cashless society.
Activity 2 Look at the title(SHOULD WE FIGHT NEW TECHNOLOGY?)and answer the questions.
(1)What do you think will be included in the passage?
______________________________________________________
(2)What kind of text is it?
______________________________________________________
Suggested answers:
(1)It will talk about the question whether we should be positive or negative towards new technology.
(2)It’s an argumentative essay.
Step Ⅱ Read for the main information
Activity 1 Read the text and then decide whether the statements on page 21 are true (T)or false (F).
(1)A person died in an accident while driving a car.
(2)The Amish avoid new technology because they do not want to have good lives.
(3)Many disasters have been prevented by weather- tracking computer programmes.
(4)Building large networks through social media helps us find new opportunities.
(5)The author uses a health monitor to know how much exercise he/she needs.
Suggested answer:
(1)~(5) FFFTT
Activity 2 Answer the following questions about the text.
(1)In which paragraphs does the author:
·describe the issue?
·give an opinion?
·discuss the advantages?
·discuss the disadvantages?
(2)Why did the author decide to write about this topic?
Step Ⅲ Read for details
Activity 1 Underline the signpost words or phrases in the text.(红色为学生作答部分)
Paragraph 1:hence,nevertheless
Paragraph 2:on the one hand
Paragraph 3:on the other hand,for example,moreover
Paragraph 4:personally,nevertheless
Activity 2 How do these signpost words or phrases help tell us the purpose of the paragraphs?
Suggested answers:
They are used to introduce the pros and cons,and to introduce the author’s own opinion.
Step Ⅳ Read for the structure and language features
Activity 1 Reflect on the function and signposts of each paragraph.
SHOULD WE FIGHT NEW TECHNOLOGY?
Paragraph
Function
Signpost
Paragraph 1
introduce the topic
hence,nevertheless
Paragraph 2
disadvantages
on the one hand
Paragraph 3
advantages
on the other hand,for example,moreover
Paragraph 4
the author’s opinion
personally,nevertheless
Activity 2 Reread Paragraph 2~Paragraph 4,and find out the topic sentence and supporting evidence of each paragraph.
SHOULD WE FIGHT NEW TECHNOLOGY?
Paragraph
Topic sentence
Supporting evidence
Paragraph 2
Paragraph 3
Paragraph 4
Suggested answers:
Paragraph 2
There are many different groups of people around the world who live happily in the absence of new technology.
◎They advocate a simple life with an emphasis on...
◎The Amish’s quality of life is better since...
Paragraph 3
New technology has provided people everywhere with many benefits over the years.
◎The latest weather-tracking computer...which saves many lives.
◎The Internet has made it possible...
◎It has also made finding opportunities...using social media.
Paragraph 4
I have benefited quite a lot from technological advances.
◎I found my career as...
◎My health monitor...
◎I will always look on the positive side of change and accept it...
Step Ⅴ Practice
Write an argumentative essay about your opinions on technology.
Activity 1 Decide upon a topic.
Topic:________________________________________________
Activity 2 List different opinions about robots.
(1)Advantages:
_____________________________________________________________
(2)Disadvantages:
_____________________________________________________________
(3)The structure of your article
Introduction paragraph:_________________________________________
Body paragraph:_______________________________________________
Closing paragraph:_____________________________________________
Suggested answers
Activity 1
Should we advocate or fight against robots?
Activity 2
(1)Advantages:can do dangerous tasks for human beings;can improve the efficiency of work;can make our daily life easier.
(2)Disadvantages:lead to people’s poor creativity,flexibility and self- motivation;make people out of work.
(3)Introduction paragraph:different opinions and the thesis statement
Body paragraph:advantages and disadvantages of the advance
Closing paragraph:restatement of the writer’s opinion
Activity 3 Use the checklist to check and improve your draft.
Use the checklist to give feedback on your partner’s draft.
√Does the essay say what the writer thinks about the topic?
√Does the body discuss the advantages and disadvantages of the advance?
√Are signposts used to help the reader understand the purpose of each paragraph?
√Does the conclusion state the writer’s position?
Activity 4 Your revised composition
Should we advocate or fight against robots?
Suggested answer:
Should we advocate or fight against robots?
The robot is playing an important role in both industry and our daily life,but people’s opinions about robots differ.
On the one hand,some people think that robots are very important to human’s future development.For example,they can do dangerous tasks for human beings.Moreover,they are helpful to improve the efficiency of work.
On the other hand,others think that they are dangerous and have negative effects on society.For example,robots may lead to people’s poor creativity,flexibility and self-motivation.
In my opinion,the advantages prevail over the disadvantages as long as we can use them properly.
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