1、 UNIT 4 SPACE EXPLORATION Period V Reading for WritingStep I 学习理解学习理解Look at the pictures and discuss the question in groups.What is your opinion about space exploration?Are you for or against it?Why?Read the text and answer the questions.What is genre of the text?An argumentative essay.Whats the wr
2、iters attitude towards exploring space?A.Supportive.B.Objective.C.Neutral.D.Negative.Read the text for the main idea of each paragraph and think the structure of the text.Paragraph 1:This is a shallow view which fails to realise how exploring space helps us.Paragraph 2:Exploring space has already ma
3、de a difference in the fight against world hunger.Paragraph 3:Space exploration has already promoted technological improvements that benefit us all.Paragraph 4:Sending astronauts into space has helped people to think about the worlds problems and even to find ways to solve them.Paragraph 5:Exploring
4、 space provides the world with many different benefits.The structure of the text:generalparticulargeneral(总总分分总总)Read the argumentative essay again and answer the questions.Why are some people against space exploration?What has space exploration done for food production?What did the pictures of Eart
5、h from space make people realise?How does space exploration benefit the products that people use nowadays?Because they think it is a waste of time and money,and that we should feed the worlds poor and find immediate solutions to other problems,such as pollution and fatal diseases,instead.Satellites
6、study land and weather patterns.These studies help farmers grow more crops and warn them about natural disasters before they occur.They made people realise that our planets resources are limited.Advanced technologies developed for space exploration have promoted technological improvements that benef
7、it us all by allowing products to be made to a higher standard.Study the organisation and language features.Read the first paragraph and underline the different opinions about space exploration.Study the organisation and language features.Find the three topic sentences that summarise the writers arg
8、uments about space exploration.Study the organisation and language features.Underline the sentence that repeats the writers opinion in the last paragraph.Step II 应用实践应用实践Work out the correct structure of the text and then summarise the organisation of an argumentative essay.IntroductionParagraph 1Di
9、fferent viewpointsThe thesis statementBodyParagraph 2Argument 1Supporting details/EvidenceParagraph 3Argument 2Supporting details/EvidenceParagraph 4Argument 3Supporting details/EvidenceConclusionParagraph 5Rephrasing the thesis statementEach topic sentence is followed by examples,illustrations,or e
10、xplanations to fully develop the main idea.Make a summary of the features of an argumentative essay.Purposeto present the writers opinion;to explain,clarify,or illustrate the viewpoint;to convince or persuade the readers to believe or actMain bodyat least two sub-pointsWriting techniquesmaking compa
11、risons and contrasts;analysing cause and effect;giving examples;describing facts;listing data,using case studies etcLanguage featuresconcise,essential,objective,detailed,etcDiscuss the following arguments and put them in the table below.A.There are a lot of unsolved mysteries on Earth.So why are we
12、going into space to explore?B.It is necessary to find a new home for people in space,as the resources on Earth will run out.C.I cannot understand spending all this money on expensive research and experiments when so many people need food.D.Exploring space encourages scientists to improve technology
13、that can help people in other ways,too.Are these arguments for or against exploring space?Discuss the following arguments and put them in the table below.For space explorationAgainst space explorationB.It is necessary to find a new home for people in space,as the resources on Earth will run out.D.Ex
14、ploring space encourages scientists to improve technology that can help people in other ways,too.A.There are a lot of unsolved mysteries on Earth.So why are we going into space to explore?C.I cannot understand spending all this money on expensive research and experiments when so many people need foo
15、d.Step III 迁移创新迁移创新Work in groups.Discuss arguments for or against space exploration.For space exploration Scientific knowledge has value beyond the cost;It is in mans nature to explore his environment;Many discoveries have been made as a result of space exploration;Artificial satellites help people
16、 monitor the effects of global warming and detect wildfires;Space programmes help find solutions to adapt human lives to space or other planets;Space exploration may speed up technological progress;Space travel industry provides many job opportunities.Work in groups.Discuss arguments for or against
17、space exploration.Against space exploration Space exploration gives us no direct benefit;Earth itself is not fully explored yet;Money is better used to help human lives on Earth;Space travel implies significant air pollution;Long space missions can cause damage to the bone tissue and bone cells of a
18、stronauts,which can increase the risk of cancer and thus threaten their lives;Exploring space could become an invitation for interstellar war.现你校英语报现你校英语报Voice Your Opinion栏目正在征集大家对于太空栏目正在征集大家对于太空探索的利弊的看法，请发表你的观点。探索的利弊的看法，请发表你的观点。Write an argumentative essay about space exploration,which should cont
19、ain your viewpoint,supporting details and a conclusion.Exchange your draft with a partner.Use the checklist to give feedback on your partners draft.Does the introduction state the topic?Does the introduction express different opinions about the topic?Does the body give arguments with suitable suppor
20、ting information?Does the closing express the writers opinion and end properly?Are there any grammar,spelling,or punctuation errors?Read and make some comments on the shared draft.If possible,try to polish it.Sample:Everyone gets excited by the news of the most recent space flights,and I too share i
21、n peoples sense of awe and wonder at the photos from space that we see.Having said that,it is hard to believe that the high cost of space flight is justified so that we can get some lovely pictures.We should be spending our money more wisely,on what people need.I cannot understand spending all this
22、money on expensive research and experiments when so many people need food.Around the world,millions of people are hungry and dying of starvation.On the other hand,we hear on TV that for as little as a dollar a day,a child in Africa can be saved.Considering the billions spent on space travel,it just
23、seems a better investment to feed the hungry.Make some comments on the shared draft.If possible,try to polish it.Some people argue that someday we will have to go live in space because the world will be made impossible to live in through pollution.This seems silly.When your house gets dirty,you spen
24、d the time and money to clean it up.You dont move house simply because you need to wash your windows or vacuum the floor.In the same way,it makes more sense to use our time and money to take care of our planet,rather than look for a new home.Finally,there are a lot of unsolved mysteries on Earth.So
25、why are we going into space to explore?There are still many things to discover in the ocean depths and the Antarctic.But we do not even have to go that far:Science has yet to unlock all the mysteries of the atom,and there are many realms of technology that we are just beginning to understand and explore.In the end,it just does not seem a very wise investment to go to space.We have too many needs here on Earth to be wasting our effort on space exploration.Homework.Revise and polish your own argumentative essay about space exploration.
