(共24张PPT)
Self-driving cars
---destination known
Learning objectives
Introduce how self-driving cars work;
Explore the advantages and disadvantages of self-driving cars.
Describe the challenges self-driving cars face;
maglev train
Lead-in
What means of transport do you use in your daily life
What do you know about self-driving cars
Self-driving cars
---destination known
Read for global understanding
1. What’s the writing style of this text
A. Exposition
B. Argumentation
C. Narration
D. Description
2. What’s the main idea of the text
A. State self-driving cars meet some technical difficulties.
B. Reveal the potential drawbacks of self-driving cars.
C. Predict self-driving cars will be the wave of the future .
D. Introduce a new means of transport---self-driving cars.
Read for global understanding
①
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③④⑤
⑥
①
②③④⑤
⑥
①②
③④⑤
⑥
①
②③④⑤⑥
A.
B.
C.
D.
Read for global understanding
3. What’s the structure of the text
Introduction
Para. 1: A 1. _______ of the future of self-driving cars
Conclusion
Main Body
Para. 6:
Para. 2: 2.___________________________________
Paras. 3–5: 3.____________
self-driving cars face
How self-driving cars work
4. Read and complete the chart.
The 7.____________ of self-driving cars
Challenges
scene
Technological barriers
Ethical concerns
Legal problems
4.____________
5.______________
6.____________
future
Read for global understanding
Para. 1
autonomous [ : t n m s] vehicles
Read for details
Read Para. 2 and answer the following question.
How do self-driving cars work
They “see” and “behave” through various hardware and deep-learning artificial intelligence(AI). (L8-10)
Read for details
Cameras and sensors
The AI system
Mechanical controls
radar and lidar
accelerator and brakes
Q1: Can the self-driving car’s perception system recognize everything
Q2:Why
No.
Read Para 3 and answer the following questions.
Because road traffic in the real world is so complicated that unfamiliar or unexpected conditions may occur at any time, and it is unreasonable for the database to include every possible object in every possible condition ahead of time. (L20-23)
Read for details
1.What’s the writer’s purpose of mentioning the Trolley Problem
To discuss difficult ethical choices self-driving cars may face. （L30）
Read Para 4 and answer the following questions.
Read for details
How would you deal with the difficult situation
How would you deal with the difficult situation
Different people may make different responses because it’s the moral dilemma to people, as a result, how to ethically program self-driving cars remains to be resolved.
self-driving car or lives of pedestrians
a single pedestrian or a group of pedesrians
a child or a senior citizen
Read for details
Why should manufacturing and programming standards have to be agreed upon first
Read Para 5 and answer the following question.
Read for details
To make it possible for law courts to decide who is at fault when things go wrong.(L44)
Should it be…
the driver
the software programmer
the manufacturer
Q: What are the two possible future paths of self-driving cars
Read Para. 6 and answer the following question.
Self-driving cars will be allowed to operate without human control,
or there will always be human operation, even if limited. (L48-50)
Which path do you think self-driving cars will take Why
Read for details
Discuss the advantages and disadvantages of self-driving cars, using the ideas below to help you.
self-driving cars
Passenger
Pedestrian
[p ’destr n]
Driver
Cost
Safety
Job
accidents
Law
Convenience
Drunk driving
Though the destination of self-driving cars is unknown, one thing is certain —— self-driving cars will form part of our future. Personally speaking, only time will reveal what the destination is!
Self-driving cars
---destination known
Thank you
Homework
Write you opinion about self-driving cars.
Find more information about self-driving cars.
