2020-2021学年Unit 4 Space Exploration学案

Unit 4 Space Exploration

Period 4 Reading for Writing

导学案

    1. Read quickly to get main idea; read carefully to get the detailed information.

2. Learn the characteristics or structures of argumentative essay.

3. Learn to write an argumentative essay.

4. Learn to correct others’ writing.

1. Learn the characteristics or structures of argumentative essay.
2. Learn to write an argumentative essay.

Step 1 Lead in ---Small talk

Space exploration has a great many of benefits, but there are also great risks and a large amount of money to spend. So some people support space exploration because they think it has brought a lot of benefits to humans. But on the other hand, some people think there are a lot of questions to solve like hunger and diseases, why not spend more money and effort on them? What is your idea and why ?

Step 2 While reading ---Task 1

1. Find the topic sentence of each paragraph.

Para 1  _____________________________________________
Para 2     _____________________________________________  

Para 3  _____________________________________________ 

Para 4  _____________________________________________ 

Para 5  _____________________________________________ 

2. The main idea of the passage is about ____________________________________________

Step 3 While reading ---Task 2

    Read the text and answer the following questions.
Q1: Why are some people against space exploration according to the passage ?
 

.Q2: What are the benefits of exploring space ?
 

Q3: What did the picture of Earth from space make people realise?
 

Q3: What’s the author’s attitude to exploring space ?
 

Step 4 Post reading---Summary

 

Answers: 1. shallow 2. made a difference  3. promoted  4. think about  5. continue

Step 5 Before writing---Words and phrases
Translate the phrases from the text.
①________________________发射卫星

②________________________收集数据

③________________________探索太空

④________________________有很大影响

⑤________________________导致

⑥________________________从中受益

⑦________________________先进的技术

⑧________________________满足要求

⑨________________________改变我们的生活

⑩________________________有限的资源

⑪________________________靠近；接近

⑫________________________提供生活所需

⑬________________________促进技术改进

⑭________________________提供解决问题的办法

Step 6 While writing

最近，你班同学就“太空探索是否值得”这一话题展开了一场讨论。请你根据下表提供的信息，用英语写一篇短文介绍讨论的情况，并谈谈自己的看法。

Step 7 While writing---the outline
Paragraph 1：________________________________________________
Paragraph 2：________________________________________________

Paragraph 3：________________________________________________

Paragraph 4：________________________________________________

Step 8 While writing---words and phrases

    ①________________________举行热烈的讨论　　　

②________________________值得做

③________________________ 持有不同的观点

④________________________离……很远

⑤________________________被用来做…… 

⑥________________________从……受益良多

⑦________________________ n．交际 

⑧________________________天气预报

⑨________________________能源短缺

⑩________________________ 在我看来

Step 9 While writing---make sentences

    ①用于太空探索的资金可以用来解决地球的饥饿和污染等问题。(过去分词作定语)

②30%的同学认为不值得探索。
 

③他们认为太空探索离我们及我们的日常生活太遥远并且浪费金钱。

④70%的人认为太空值得探索，因为我们从中受益匪浅。(because)

⑤总有一天，我们可以搬到其他星球去解决人口问题。(by doing)

⑥太空研究将使我们能够找到新的能源来解决地球上的能源短缺问题。(不定式作目的状语)

⑦在我看来, 探索太空是值得的。
 

Step 10 Writing---draft

Step 11 Pair work

Exchange drafts with a partner. Use this checklist to help your partner revise his/her draft.

1.Does the writer explain why he/she changed/wanted to change?

2.Does the writer tell how the changes have improved or will improve his/her life?

3.Is the text well－organised?

4.Does the writer use words and expressions to show similarities and differences?

5.Are there any grammar or spelling errors?

6.Does the writer use correct punctuation？

Step 12 Homework

Put up your revised draft in the classroom or read it to your class.

答案：

Step 1 Lead in ---Small talk

Space exploration has a great many of benefits, but there are also great risks and a large amount of money to spend. So some people support space exploration because they think it has brought a lot of benefits to humans. But on the other hand, some people think there are a lot of questions to solve like hunger and diseases, why not spend more money and effort on them? What is your idea and why ?
    I think we should be favor of it because a lot of space technologies has already provided service for us common people, like GPS.
    I think we should stop because we need more money and effort to help the poor, the disabled. What’s worse, there are a lot of risks in space exploration, like the Challenger accident.
Step 2 While reading ---Task 1

3. Find the topic sentence of each paragraph.

Para 1 Present an argument whether exploration space a waste of time and money.
Para 2    Exploring space has contributed great to the fight against world hunger.  

Para 3 Space exploration has already promote technological improvement. 

Para 4 Sending astronauts into space has furthered understanding of the world’s problems and figuring out ways to solve them.             

Para 5 Draw a conclusion that exploring space is of great benefit, so we should continue.

4. The main idea of the passage is about an argument about introducing different benefits of exploring space.

Step 3 While reading ---Task 2

    Read the text and answer the following questions.
Q1: Why are some people against space exploration according to the passage ?
    Because they think it cost too much time and money

.Q2: What are the benefits of exploring space ?
promote technological improvements around the world
help farming to grow more food
fight against world hunger
find other planets to live

Q3: What did the picture of Earth from space make people realise?
Our earth’s resources are limited.

Q3: What’s the author’s attitude to exploring space ?
supportive

Step 4 Post reading---Summary

 

Answers: 1. shallow 2. made a difference  3. promoted  4. think about  5. continue

Step 5 Before writing---Words and phrases
Translate the phrases from the text.
①launch a satellite发射卫星

②collect data收集数据

③explore space探索太空

④make a difference有很大影响

⑤result in导致

⑥benefit from从中受益

⑦advanced technology先进的技术

⑧meet the requirements满足要求

⑨change our lives改变我们的生活

⑩limited resources有限的资源

⑪be close to靠近；接近

⑫provide for提供生活所需

⑬promote technological improvement促进技术改进

⑭provide solutions to problems提供解决问题的办法

Step 6 While writing

最近，你班同学就“太空探索是否值得”这一话题展开了一场讨论。请你根据下表提供的信息，用英语写一篇短文介绍讨论的情况，并谈谈自己的看法。

Step 7 While writing---the outline
Paragraph 1：Recently，students in our class have had a discussion on whether space is worth exploring.

Paragraph 2：30% of us think space exploration is not worthwhile.

Paragraph 3：On the other hand，70% think space is worth exploring.
Paragraph 4：As far as I am concerned, it is worthwhile to explore the space.

Step 8 While writing---words and phrases

    ①have a discussion 举行讨论　　　

②be worth doing 值得做

③worthwhile adj.值得的 

④be far away from 离……很远

⑤be used to do 被用来做…… 

⑥benefit a lot from... 从……受益良多

⑦communication n．交际 

⑧weather forecast 天气预报

⑨energy shortages 能源短缺

⑩as far as I’m concerned  在我看来

Step 9 While writing---make sentences

    ①用于太空探索的资金可以用来解决地球的饥饿和污染等问题。(过去分词作定语)

And the money spent on space exploration can be used to solve the earth’s problems such as starvation and pollution.

②30%的同学认为不值得探索。
30% of us think space exploration is not worthwhile.

③他们认为太空探索离我们及我们的日常生活太遥远并且浪费金钱。

They think space is too far away from us and our daily life and is a waste of money.

④70%的人认为太空值得探索，因为我们从中受益匪浅。(because)

70% think space is worth exploring because we have benefited a lot from it.

⑤总有一天，我们可以搬到其他星球去解决人口问题。(by doing)

We may solve the population problem by moving to other planets one day.

⑥太空研究将使我们能够找到新的能源来解决地球上的能源短缺问题。(不定式作目的状语)

Space research will enable us to find new sources to solve the problem of energy shortages on the earth.

⑦在我看来, 探索太空是值得的。
As far as I am concerned, it is worthwhile to explore the space.

Step 10 Writing---draft

Recently, students in our class have had a discussion on whether space is worth exploring.

30% of us think space exploration is not worthwhile.They think space is too far away from us and our daily life.And the money spent on space exploration can be used to solve the earth’s problems such as starvation and pollution.

On the other hand，70% think space is worth exploring because we have benefited a lot from it，such as using satellites for communication and weather forecast. What’s more，with further space research，we may solve the population problem by moving to other planets one day. Also，space research will enable us to find new sources to solve the problem of energy shortages on the earth.

Step 11 Pair work

Exchange drafts with a partner. Use this checklist to help your partner revise his/her draft.

1.Does the writer explain why he/she changed/wanted to change?

2.Does the writer tell how the changes have improved or will improve his/her life?

3.Is the text well－organised?

4.Does the writer use words and expressions to show similarities and differences?

5.Are there any grammar or spelling errors?

6.Does the writer use correct punctuation？

Step 12 Homework

Put up your revised draft in the classroom or read it to your class.