资源简介

(共36张PPT)
Unit 4
Space Exploration
Reading for Writing
行业PPT模板http:///hangye/
教学目的
1.learn about the pros and cons of space exploration;
2.present an argument about space exploration while writing;
3.practice the critical thinking ability through discussing;
4.write an argumentative passage by using the structure and the useful expressions in the reading material.
Exploring Mars
video time
BEFORE YOU WATCH
1.What do you know about Mars
*It is the nearest neighboring planet of the Earth.
*It has the largest volcano in the solar system.
*It has an atmosphere which is made up mostly of carbon dioxide.
2. How do people explore Mars
*By launching the Mars probe.
二氧化碳
火星探测器
Before you watch
the orbiter
the lander
the rover
Earth-Mars transfer orbit
discard
protective shield
轨道器
着陆器
巡游车
地球-火星转移轨道
v.弃置、抛弃
防护罩
Mars probe consists of three parts:
BEFORE YOU WATCH
Before you watch
While you watch
Watch and decide whether the statements
are true (T) or false (F).
Check answers
1. Mars is the fourth planet from the Sun and the smallest planet in the solar system.
2. It is one of the few planets that we can see with the naked eye. 3. Like Earth, Mars has volcanoes, valleys, polar ice caps, seasons, and weather. 4. Olympus Mons, the largest volcano on Mars, is about twice as high as Mount Qomolangma.
F
T
the second smallest
T
F
three times
While you watch
Why do we explore space
Is exploring space a waste of time and money
What is your idea and why
Fast Reading
Look and think
What will the author write in this passage
Space exploration.
1. What’s the genre of this passage
2. How many parts can this passage be divided into
3. What does each part talk about (Use one word to summarize.)
Read for the structure
Part 1
Part 2
Part 3
An argumentative essay.
Three
Body
Conclusion
General
Introduction
Paragraph 1
Paragraph 2
Paragraph 3
Paragraph 4
Paragraph 5
Specific
General
Argumentative essays seek to state a position on an issue and give several reasons supported by evidence to defend that position.
Main idea for each paragraph
Para1
Para2
Para3
Para4
Para5
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.
Some people argue that we should stop.... However, others feel this is a shallow view...
In closing, exploring space provides the world with many different benefits.
Read for structure
Which is the structure of the passage
Read for structure




















A B C D
( : paragraph1)
Introduction
Main body
Main body
Main body
Conclusion





General
Specific
General
Read for structure
Oganisation of an argumentative essay
Read for structure
Read for details
Countries around the globe are spending billions of dollars and lots 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 realise how exploring space helps us.
Read for details
1. Why are some people against space exploration
discourse markers
Read the argumentative essay about space exploration and answer the questions.
Para. 1
Writing techniques in argumentative essay
making comparison or contrast
Read for details
Read for details
Read the argumentative essay about space exploration and answer the questions.
Para. 2
Firstly, exploring space has already made a difference in the fight against world hunger. It has directly resulted in the many satellites that now orbit Earth. A number of the satellites record data on land and weather patterns. Then the data is transmitted to scientists on Earth. After careful analysis, the scientists can provide useful recommendations and advice for farmers. As a result, space-based science has helped farming in its efforts to grow enough food to feed Earth’s increasing population.
2. What has space exploration done for food production
discourse markers
analysing cause and effect
Writing techniques in argumentative essay
Read for details
Read for details
Para. 3
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 GPS, memory foam pillows, and smartphone cameras are changing our lives.
discourse markers
3. How does space exploration benefit the products that people use nowadays
giving examples
Writing techniques in argumentative essay
Read for details
Read for details
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.
discourse markers
4. What did the pictures of Earth from space make people realise
Para. 4
describing facts
Writing techniques in argumentative essay
Read for details
Read for details
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.
discourse markers
5. Underline the sentence that repeats the writer’s opinion in the last paragraph.
Para. 5
Features of an argumentative essay
Purposes
Main body
Writing techinques
Language feature
to present the author's opinion;
to explain, clarify, or illustrate the viewpoint;
to convince or persuade the readers to believe or act;
at least two sub-points;
making comparison and contrast;
analysing cause and effect;
giving examples;
describing facts;
listing data, using case studies etc
concise, essential, objective, detailed, etc
Summary
Language Points
① ________________________ 探索太空
② ________________________ 有很大影响
③ ________________________ 导致
④ ________________________ 先进的技术
⑤ ________________________ 满足要求
⑥ 改变我们的生活
⑦ ________________________ 靠近；接近
⑧ ________________________ 提供生活所需
⑨ ________________________ 促进技术改进
⑩ ________________________ 提供解决问题的办法
explore space
make a difference
result in
advanced technology
meet the requirements
change our lives
be close to
provide for
promoted technological improvements
provide solutions to
Practice
你校英语报正在收集学生对在校学生要求穿校服(School Uniform)的看法，请你写一篇短文说明大家的观点并且谈论自己的观点。内容包括：
支持的观点及原因
反对的观点及原因
你的看法
Structure of an reference
1. We had a heated discussion about/on...
我们就……进行了热烈的讨论。
2. Recently,… has brought about a heated discussion.
最近，……引起了热烈的讨论。
3. There is a widespread concern over the issue that...
……引起了广泛的关注。
Para 1:
引入主题
Structure of an reference
人们对此有不同的看法
4. Opinions concerning this hot topic vary from person to person.
5. People have taken different attitudes towards...
6. People hold different opinions on this problem.
7. Opinions are divided on the question.
Structure of an reference
Para 2:
1. Some/Most/Few of them hold the opinion that...
他们中的一些/大多数/少数人认为……。
2. Some/Most/Few of them are in favor of/ for the idea that...
他们中的一些/大多数/少数人赞成……的观点。
3. People who are opposed to/ against the idea think that...
反对这个想法的人认为……。
4. However, the flip side of the coin is…
然而；另一个相反的观点是……。
Structure of an reference
Para 3:
1. As far as I am concerned,... ……就我个人而言
2. From my perspective,... ……在我看来
3. From my point of view,... ……在我看来
4. In my opinion,... ……依我所见
5. It’s my opinion that+句子. 我的看法是……
6. Taking all factors into consideration, we may come to the conclusion
that...
把所有的因素加以考虑，我们可以得出这样的结论……。
7. In a word, only through... can we have a bright future.
总之，只有通过……我们才能有一个光明的未来。
如何衔接论据？
表示递进关系：In the first place; first of all; to begin with; firstly
what’s more; furthermore; moreover; besides;
what's worse; to make matters worse; worse still
表示列举事实：such as; for example/instance; take ... for example;
表示解释：that is to say; in other words
表示观点：in one’s opinion, in one’s view, from one’s point of view, as far as I am concerned, as for sb, personally
Discourse markers
The Value of School Uniforms
Recently, whether students should wear uniforms has sparked heated discussions. Opinions vary as people hold different attitudes towards this issue.
Most supporters argue that uniforms promote equality. Firstly, they reduce comparisons over clothing brands, allowing poor and rich students to focus equally on studies. Moreover, uniforms help build school spirit, as seen in Japanese schools where 95% of students proudly wear them daily. However, opponents believe uniforms limit self-expression. They point out that teenagers need to develop personal style, which is crucial for creativity.
In my view, uniforms have more benefits than drawbacks. While allowing casual clothes on weekends could balance individuality, maintaining uniforms on regular days ensures fairness. Only through such flexibility can schools create harmonious environments.
仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而浸多也著于竹帛谓之仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而
Thank You !

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