资源简介

(共25张PPT)
Unit 4
SPACE EXPLORATION
Learning Aims：
1. To learn about the main ideas, structures and logic of the text.
2. To understand the reasons, the achievements and the future of space exploration.
2. To help the students raise the awareness of determination and persistence in order to achieve their life goal.
Who What happened How do you feel
Prediction
①
Title: Space: The Final Frontier
Prediction
What’s the text type
News report B. A travel journal
A novel D.A popular science article
2. What’s the main idea of the text
The development of space exploration
The introduction of Apollo program.
The challenges of exploring other planets
Language Features
1. a brief and eye-catching title
2. introduce background information in the first paragraph
3. the language is popular and easy to understand
Fill in gaps
②
Several sentences have been removed from the text. Choose the correct sentence (A — D) to fill each gap.
Tips：
1.分析选项中的句子的句法功能，分析哪些句子可以充当主题句，可以放在段首；分析哪个句子有递进词（also），表明它是一系列细节的一部分。分析哪个句子有顺序词，表明它是语篇的中间部分。
2. 分析所填句子与上下文是否存在句际关系，比如转折关系、解释关系、细节补充等关系。
“Are we alone What’s out there ” People have always looked up at the stars and wondered about space. Today, scientists design vehicles to carry astronauts into space to make important discoveries. _____.
A. Although scientists try to make sure nothing goes wrong, accidents can still happen.
B. Space exploration has come a long way, and we now hope to discover other planets that are suitable enough to support life.
C. The future of space exploration remains bright.
D. After many experiments, they succeeded in making rockets that could escape Earth’s gravity.
B
衔接上文
递进；语义上更深入
Before the mid-20th century, most people felt travelling into space was only a dream that could never come true. However, some scientists were determined to realise that dream. _______. On 4 October 1957, ... and on 12 April 1961, ... Over eight years later, on 20 July 1969, ...
D
对前文的承接，对后文的概括
A. Although scientists try to make sure nothing goes wrong, accidents can still happen.
B. Space exploration has come a long way, and we now hope to discover other planets that are suitable enough to support life.
C. The future of space exploration remains bright.
D. After many experiments, they succeeded in making rockets that could escape Earth’s gravity.
_____. For example, all the astronauts on Soyuz 11, Challenger, and Columbia spacecraft died during their missions. However, while such disasters brought much sadness abd disappointment, the desire to explore the universe did not die. This is because people believe in the importance of carrying on space exploration despite the huge risks.
A
A. Although scientists try to make sure nothing goes wrong, accidents can still happen.
B. B. Space exploration has come a long way, and we now hope to discover other planets that are suitable enough to support life.
C. The future of space exploration remains bright.
D. After many experiments, they succeeded in making rockets that could escape Earth’s gravity.
后文关键词提示
____ Europe, the US, and China all have plans to further study and explore planets like Mars and Jupiter. Despite the difficulties, scientists hope future discoveries will not only enable us to understand how the universe began, but also help us survive well into the future.
C
同一语义频繁出现
A. Although scientists try to make sure nothing goes wrong, accidents can still happen.
B. They also really wish to discover other planets that are suitable enough to support life.
C. The future of space exploration remains bright.
D. After many experiments, they succeeded in making rockets that could escape Earth’s gravity.
③
Read for main idea
Main Idea of Each Paragraph
Reading Tip：
when the main idea is not clearly stated in a topic sentence , you should read the full paragraph or passage carefully and find the words or ideas that repeat themselves. They are likely evidence of the author’s main idea.
Para2. Achievements of American and Soviet
Para3. Space exploration continues in spite of great risks
Para4. China’s achievements
Para5. The future of space exploration
Space: The Final Frontier
Para1:People are curious about space
why
how
what
④
Read for details
Para 1
Why did scientists carry out the space exploration
To find out the secrets of the universe
To discover other planets suitable enough to support life
How did the scientists and astronauts carry out the space exploration
Para 2---4
1
2
3
4
5
6
7
8
9
4 Oct.
1957
12 Apr.
1961
20 July,
1969
5 Sep.
1977
2003
then
(2005&2008)
more recently
(2018)
after that
(2016&2017)
followed by
(2013)
Sputnik 1
Yuri Gagarin
Neil Armstrong
Voyager 1
Shenzhou 6&7
Tiangong 2 Tianzhou1
Chang'e 4
Para2&4
successfully orbited... (the USSR)
the first person ... (the USSR)
stepped onto the moon (the US)
studied...; transmits data
(the US)
Shenzhou 5
China became ... independently ...
completed a second.. and the first...
Jade Rabbit
being sent to the moon to...
space lab; dock with...
sent to explore...
1
2
3
4
5
6
7
8
9
4 Oct.
1957
12 Apr.
1961
20 July,
1969
5 Sep.
1977
2003
then
(2005&2008)
more recently
(2018)
after that
(2016&2017)
followed by
(2013)
Sputnik 1
Yuri Gagarin
Neil Armstrong
Voyager 1
Shenzhou 6&7
Tiangong 2 Tianzhou1
Chang'e 4
Para2&4
successfully orbited... (the USSR)
the first person ... (the USSR)
stepped onto the moon (the US)
studied...; transmits data
(the US)
Shenzhou 5
China became ... independently ...
completed a second.. and the first...
Jade Rabbit
being sent to the moon to...
space lab; dock with...
sent to explore...
Further thinking 1
Why was space exploration mainly carried out by the USSR and the US in the 20th century
the Cold War;
two superpowers
competition between two superpowers
China has achieved a lot in space exploration in the 21st century because we have made great developments in many fields, especially in high technology.
What are the two main directions of future space exploration
Para 5
How the universe began
How we survive well into the future
⑤
Group Work
Group Work
1. What does the title “Space: The Final Frontier” mean to you
Is space the “final” frontier
What other frontiers will be explored
underground(地下资源);
the deep sea（深海）;
the Arctic（北极）;
new life forms;
new civilizations（文化）
Frontier is limited, while our exploration is limitless;
Books are limited, while our knowledge is limitless;
Time is limited, while our learning is limitless;
…
2. What is your attitude to space exploration
Is it a waste of money and time
Why is China so devoted to space exploration

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