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(共17张PPT)
人教必修三第四单元reading for writing
IS EXPLORING SPACE
A WASTE OF TIME AND MONEY
Summary Writing
By the end of this class, you will be able to:
Learning objectives
1. get the main idea and structure of the text.
2. learn the features of argumentative essay.
3. write an argumentation.
It have taken 65 years to develop space exploration.
Lead-in
However......
poverty
hunger
pollution
disease
01
However......
The earth is still facing poverty, hunger, pollution, disease......
Is exploring space
a waste of time and money
Lead-in
Para 1
Read and underline the different opinions about space exploration.
Countries around the globe are spending billions of dollars and a lot of time on various space missions, whether to Mars or other planets much further away. Some people argue that we should stop wasting time and money exploring space. Instead, we should feed the world's poor and find immediate solutions to other problems, such as pollution and fatal diseases. However, others feel this is a shallow view which fails to realize how exploring space helps us.
against
for
Part. 1: Introduction
1. Different oppinions.
2. Thesis statements.
Tip1: To make our article more object, we should express different opinions about the topic.
Find the main idea of each paragraph.（2-4）
Para 2
Para 3
Para 4
Firstly, exploring space has already made a difference in the fight against world hunger.
Secondly, space exploration has already promoted technological improvements that benefit us all.
Finally, sending astronauts into space has helped people to think about the world's problems and even to find ways to solve them.
Part 2: Benefits pf space exploration.
Tip 2:To make our article more logical , we should use some linking words.
How does exploring space help to fight against world hunger
It has directly __________ the many satellites that now orbit Earth.
resulted in
A number of the satellites record data on land and ___________________.
weather patterns
Then the data ____________ ___scientists on Earth.
After careful analysis, the scientists can provide useful ________________ and _______
for ________.
As a result, space-based science __________________in its efforts to grow _____________ to feed Earth' s increasing population.
is transmitted
recommendations
has helped farming
enough food
03
to
advice
farmers
Para 2
1. How does space exploration benefit the products that people use nowadays
2. In what area has it helped
Secondly, space exploration has already promoted technological improvements that benefit us all. High-end products around the world are made to a higher standard now because of advanced technology which was first created to meet the requirements for space exploration. For example, space technologies have helped the research and development of different types of new material. They have also helped companies make better heart monitors and other machines that doctors regularly use. Today, space technologies are widely used in all kinds of industries, and everyday products, such as memory foam pillows and smartphone cameras, are changing our lives.
Para 3
03
1. What are the world’s problems
2. How has space exploration helped to find ways to solve them
Para 4
Finally, sending astronauts into space has helped people to think about the world’s problems and even to find ways to solve them. Seeing pictures of our planet as an island in a black sea made people realise that our planet’s resources are limited. In order to provide for such a rapidly increasing population, scientists are trying to find other planets that could one day be our new home. The greatest attention at present is on Mars because it is closer to earth. In the future, humans may live on both planets.
Satellites record_______ → Scientist analyse data and provide useful_______ → Farmers are able to grow ___________
Space technologies have helped to create new_______→ Companies make better__________
Seeing pictures of our planet makes people realise that our planet’s ___________ are ________________.
key word:____________
key word:____________
key word:____________
Read for the key words and the supporting details
Para. 2
Para. 3
Para. 4
data
advice
enough food
material
products
resources
limited
world hunger
technological improvements
world’s problem
Tip 3:In order to make our argument strong, we need to provide suitable supporting detail.
Tip 4:In order to make our article more coherent, we should express our opinion and end in the closing part properly.
Underline the sentence that repeats the writer's opinion in the last paragraph.
Para 5
In closing, exploring space provides the world with many different benefits. Therefore, it should continue so as to provide new and better solutions to people's short-term and long-term problems.
Post-reading Structure of an argument
Introduction
introduce the topic
state your opinion
Body
argument 1+ supporting details
argument 2+ supporting details
argument 3+ supporting details
Conclusion
rephrase your opinion
04
Evaluate one summary
Evaluation
1.It covers all the key points.
2.There should be linking words to make it coherent and logical.
4.There are no spelling or grammatical mistakes.
3.It is written in our own
words.
Activity 3 Explore the summary
Evaluation
1.It covers all the key points.
2.There should be linking words to make it coherent and logical.
4.There are no spelling or grammatical mistakes.
3.It is written in our own words.
LevelA: Improve your summary after class if your writing does’t meet the evaluation criteria.
LevelB: Search information about Mars online.
Assignment
假定你是李华，最近你班举行了一次班会，班会的主题是：太空探索的意义。请结合下表内容，用英语给校报写一篇短文，客观地介绍讨论的情况并表达你自己的观点。
赞同者 反对者
1．获得新的知识； 2．从太空取得新资源； 3．扩大人类的生存空间。 1．耗资巨大；
2．宇航员的安全问题。
注意：1．词数80左右；
2．可以适当增加细节，以使行文连贯。
M3U4
Is Exploring Space a Waste of Time and Money
linking
words
key
points
Part 1 Introduction
Part 2 Body
Part 3 Conclusion
waste/help
world hunger
technology
world’s problems
benefits, continue
Summary Writing
a clear
structure
板书设计

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