新人教版高中英语必修3Unit 4 Space Exploration-Reading for Writing教学设计二

Unit 4 Space Exploration-Reading for Writing教学设计

The topic of this part is “Present an argument about space exploration”.

This section is about an argument aboutintroducing different benefits of exploring space. Argumentative essays have astable structure. The first paragraph always presents a certain phenomenon ortopic. The body always has the structure of putting up with the supportive orrejected views and their reasons or specific cases. The end always draws aconclusion. The article is like this structure. In the first paragraph, theauthor put forward the discussed topic---the benefits of exploring space.Paragraph 2 to paragraph 4, he or she gave 3 pieces of supportive opinions andthe reasons or the specific cases.

Paragraph 5, we can come to theconclusion---exploring space provides the world with many different benefits.
Therefore, students should be guidedto learn the structure and write an essay like this after reading theargumentative essay. But before doing this, students should understand the mainideas about the article and find the topic sentences of each paragraph.

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

2. Learn the characteristics or structures ofargumentative essay.

3. Learn to write an argumentative essay.

4. Learn to correct others’ writing.

1. Learn the characteristics orstructures of argumentative essay.

2. Learn to write an argumentative essay.

Step 1 Lead in ---Small talk

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

1. Find the topic sentence of each paragraph.

Para 1 Presentan argument whether exploration space a waste of time and money.
Para 2 Exploring space has contributedgreat to the fight against world hunger.

Para 3 Spaceexploration has already promote technological improvement.

Para 4 Sending astronauts into space hasfurthered understanding of the world’s problems and figuring out ways to solvethem.

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

2. The main idea of the passage is about anargument about introducing different benefits of exploring space.

Step 3 While reading ---Task 2

Read the text and answer thefollowing questions.
Q1: Why are some people against space explorationaccording to the passage ?
Because they think it cost too muchtime and money

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

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

Q3: What’s the author’s attitude toexploring space ?
supportive

Step 4 Post reading---Summary

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

Step 5 Beforewriting---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 Whilewriting

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，studentsin 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 Whilewriting---words and phrases

①have a heated discussion 举行热烈的讨论

②be worth doing 值得做

③hold different ideas 持有不同的观点

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 Whilewriting---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 canbe 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。

Theythink 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 wehave 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 movingto 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 newsources 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 10Writing---draft

Recently, students in our class have hadheated a discussion on whether space is worth exploring. Students holddifferent ideas about it.