1、Unit 4 Space ExplorationReading for Writing2Should we communicate with Aliens? Why or why not?Step 1. Pre-ReadingYes No1. Whats the main idea of the text? A. Introducing different benefits of exploring space. B. Introducing the history of exploring space. C. Introducing different opinions about spac

2、e exploration. D. Introducing the development of exploring space. Step 2. While-ReadingRead and choose.Para. 1: _Para. 2: _Para. 3: _Different opinions about space exploration.Exploring space has made a difference inthe fight against world hunger.Space exploration has already promotedtechnological i

3、mprovements that benefit us. Para. 4 : _ _Para. 5: _Sending astronauts into space has helpedpeople to think about the worlds problems and evento find ways to solve them.Exploring space provides the world withmany benefits, so it should continue.Read and fill. Find out the main idea of each paragraph

4、. Step 2. While-Reading1. Whats the authors attitude to exploring space? A. Supportive. B. Objective. C. Neutral. D. Negative. 2. Which of the following aspects doesnt the space exploration include? A. Farming. B. Technological improvements. C. Finding other planets to live. D. Building a healthy bo

5、dy. Step 2. While-ReadingRead and choose.Read and fill.Step 2. While-Reading1. figure out 弄懂; 弄清楚; 弄明白To figure out how much power these devices are using, she tracked the environmental costs for each product throughout its life. 為了計算出這些設(shè)備使用多少電力, 她追蹤了每件產(chǎn)品在使用過程中的環(huán)境成本。Step 3. Post-ReadingLanguage poin

6、tsThe medical students have to figure out how to treat the patient. 醫(yī)學(xué)院的學(xué)生必須弄清是如何治療病人。【語塊積累】find out 找出, 查明; 發(fā)現(xiàn), 揭發(fā)work out 解決; 算出; 實現(xiàn); 制定出; 弄懂; 鍛煉【即學(xué)即練】(1)I _ at a gym or swim twice a week. 我每周兩次在健身房鍛煉或游泳。(2)We must _how to solve the problem. 我們必須想出如何解決這個問題。work outfigure/work out (3)We _later that

7、 we had been at the same school. 后來我們才弄清楚我們是校友。(4)I havent _ anything _ about him yet. 我還沒有發(fā)現(xiàn)有關(guān)他的什么情況。 found outfoundoutStep 3. Post-Reading2. argue vt. &vi. 爭論; 爭辯; 論證The boy argued with his teacher about his homework. 那個男孩因為作業(yè)與老師爭執(zhí)了起來。Dont argue about this matter any more. 不要再為這件事情進(jìn)行爭論了。People in

8、that city argue that their city is the most lively city in the world. 那個城市的人們認(rèn)為他們的城市是世界上最富有生機的城市。But there are many people who argue for changing their jobs. 但是有許多贊成換工作的人。It is very difficult to argue against the use of this drug. 反對這種藥物的使用十分困難。Step 3. Post-Reading【語塊積累】(1)argue with和爭吵argue about因為

9、爭論argue that主張, 認(rèn)為argue for贊成; 支持argue against反對; 據(jù)理反對(2)argument n. 爭論Step 3. Post-Reading【即學(xué)即練】用argue的相關(guān)短語填空(1)Lets not _money. (2)In this article I will point out some further explanations, and _one of them. (3)Listen! I am not going to _you. (4)He _the suggestion. argue aboutargue forargue witha

10、rgued againstStep 3. Post-Reading3. result in導(dǎo)致; 造成(2019北京高考)Positive thinking and action result in success. 積極的思想和行動導(dǎo)致成功。(2019江蘇高考)However, they have real impacts, as they result in misguided use of scarce resources. 然而, 它們有實際的影響, 因為它們導(dǎo)致對稀缺資源的錯誤使用。【語塊積累】result from 由于, 因為as a result因此as a result of

11、. . . 作為的結(jié)果【即學(xué)即練】用result的相關(guān)短語填空(1)Success _hard work. 成功來自努力。(2)The accident _the death of two passengers. 這次事故造成兩名乘客死亡。results fromresulted in (3)(2019江蘇高考)_, humans can perform very complex tasks with their hands. 因此, 人類可以用手完成非常復(fù)雜的任務(wù)。(4)She died _ her injuries. 她因受傷而死。As a resultas a result ofStep

12、 3. Post-Reading4. run out 用完; 耗盡Conditions are getting worse and supplies are running out. 情況越來越糟, 補給也快耗盡了。His money soon ran out. 他的錢很快就花完了。(2019北京高考)If they run out of certain daily necessities, Wilson will drive to the nearest store and purchase whats needed. 如果他們用完了某些生活必需品, 威爾遜將開車到最近的商店去購買所需要的東

13、西。【語塊積累】run out of用完wear out用舊, 穿破; 使疲乏區(qū)別run out與run out ofrun out是不及物短語動詞, 其主語通常為時間、食物、金錢等名詞; run out of 是及物短語動詞, 表示主動含義, 主語一般是人。Step 3. Post-Reading【即學(xué)即練】(1)Her money has been _and her patience is also running out. 她的錢已經(jīng)用完了, 她的耐心也要耗盡了。run out of(3)(句型轉(zhuǎn)換)We ran out of time before the party. _before

14、 the party. 翻譯句子(4)(2019天津高考)Weve all known people who run out of steam before they reach lifes halfway mark. 譯: _Our time ran out我們都知道有些人在到達(dá)人生的一半之前就會失去動力。Step 3. Post-Reading5. attach vt. 系; 綁; 貼Please attach these labels to your hand luggage. 請把這些標(biāo)簽系在您的手提行李上。I will attach a document to the letter

15、. 我將把文件附在信上。He is deeply attached to the old camera. 他非常愛惜那個舊相機。This middle school is attached to a normal college. 這所中學(xué)附屬于一所師范學(xué)院。Parents attach much importance to education. 父母認(rèn)為教育很重要。【語塊積累】attach. . . to. . . 把系到/貼到/附在某物上be attached to喜歡, 依戀, 附屬于attach(much) importance to. . . 認(rèn)為(很)重要【易混辨析】attach,

16、 add, fasten三者異同相同點: 三者都含有“把一件東西或一件事添加于另一件東西或事上”的意義。不同點: attach表示“多為外形上的結(jié)合, 可以連得上去, 也可拆得下來, 還可表示比喻的含義。add, 可用于有形的和無形的東西fasten結(jié)牢, 拴住, 有形的東西, 有時可與attach互換 Step 3. Post-Reading【即學(xué)即練】(1)Do you _English well? 你認(rèn)為學(xué)好英語重要嗎? (2)The little girl _her English teacher. 這個小女孩非常喜歡她的英語老師。 attach any importance to l

17、earningis attached to(3)You had better _ a recent photograph _ your application form. 你最好在申請表上貼一張近照。 attachtoStep 3. Post-Reading6. Firstly, exploring space has already made a difference in the fight against world hunger. 首先, 探索太空已經(jīng)在與世界饑餓的斗爭中發(fā)揮了作用。(1)本句中劃線部分exploring space是動名詞短語在句中作主語。動名詞作主語時, 它已經(jīng)將動

18、作名詞化了, 已把某個動作視為某種活動或是某件事情了, 動作意義很弱, 比較抽象。Seeing is believing. 眼見為實。Reading simplified English novels is an easy and enjoyable way of enlarging our vocabulary. 閱讀簡寫的英文小說是擴(kuò)大我們詞匯量的一種輕松愉快的方法。Cheating in an exam ruins ones character . 考試作弊毀壞人的品格。 (2)動名詞作主語時, 也常用“It is. . . ”和“There is. . . ”兩種句型。其中“It is

19、. . . ”的句型常用于說明“某種活動或是某件事情是如何的”, 強調(diào)事物的性質(zhì)、特征等。常用于It is后面的詞有: no good, no use, useless, a waste, worthwhile, dangerous等等。而句型“There is. . . ”往往用于說明“不允許、禁止某種活動或是某件事情發(fā)生或存在”, 類似一種建議或命令。It is no use waiting for him any longer . 再等他也沒有用。 It is worthwhile consulting your tutor about it again . 很值得再向你的指導(dǎo)老師咨詢一

20、下這個問題。 There is no joking about such matters . 這種事開不得玩笑。 There is no denying the fact that China has made a rapid progress in every aspect since it was founded . 毋庸置疑, 中國自它成立以來已在各個方面都取得了飛速的發(fā)展。 There is no littering about. 不許亂扔雜物。(1)當(dāng)不定式(短語)、動名詞(短語)或從句在某個句子中作主語時, 為保持句子結(jié)構(gòu)前后平衡, 避免頭重腳輕, 因此常用it作形式主語置于句首,

21、 而將真正的主語放在句尾。此時it只起先行引導(dǎo)作用, 本身無詞義。 (2)不定式作主語的動作意義較強, 這種動作往往是“要發(fā)生的一次性動作”, 較具體; 動名詞短語作主語往往是經(jīng)常性、習(xí)慣性的動作, 此時謂語動詞用單數(shù)。Working with you is a pleasure. 和你一起工作是一件樂事。He realized that to go on like this was wrong. 他意識到繼續(xù)這樣下去是錯誤的。It takes me ten minutes to get home from my office . 我從辦公室回家要花十分鐘。 【即學(xué)即練】(1)_ (colle

22、ct) stamps is his hobby. (2)Its a waste of time _(quarrel)with him. (3)Is it worthwhile _ (argue)with her? Collectingquarrellingarguing(4)(句型轉(zhuǎn)換)Going to bed early is considered to be a good habit. It is considered to be a good habit _. going to bedearly最近，你班同學(xué)就“太空探索是否值得”這一話題展開了一場討論。請你根據(jù)下表提供的信息，用英語寫一

23、篇短文介紹討論的情況。30%的同學(xué)認(rèn)為：70%的同學(xué)認(rèn)為：1.不值得探索2.離我們及我們的日常生活太遙遠(yuǎn)3.浪費金錢。這些金錢本可用來解決地球上的饑餓、污染等問題1.值得探索2.已使用衛(wèi)星進(jìn)行通訊傳播、天氣預(yù)報3.有望解決地球人口問題、地球能源短缺問題Step 4. Writing寫作技巧正反對比類議論文是從正反兩方面辯證地說明某個觀點。此類議論文應(yīng)注意以下幾點：1.此類文章的結(jié)構(gòu)一般為：引語正方觀點反方觀點結(jié)論。2.文章要做到要點完整、條理清晰。各段之間層次清楚，以使文章顯得有條理。從段落內(nèi)部的層次上講，每一段一般又分為三部分：主題句、擴(kuò)展句和總結(jié)句。3.常用一般現(xiàn)在時。【謀篇】Step 1

24、List the outline of the passage.Paragraph 1：_Paragraph 2：_Paragraph 3：_ Recently，students in our class have had a discussion on whether space is worth exploring.30% of us think space exploration is not worthwhile.On the other hand，70% think space is worth exploring.Step 2List the words，phrases and s

25、entences.1.Words and phrases_ 舉行討論_ 值得做_ adj.值得的 _ 離很遠(yuǎn)_ 被用來做 have a discussionbe worth doingworthwhilebe far away frombe used to do_ 從受益良多_ n.交際 _ 天氣預(yù)報_ 能源短缺benefit a lot municationweather forecastenergy shortages2.Sentences用于太空探索的資金可以用來解決地球的饑餓和污染等問題。(過去分詞作定語)_70%的人認(rèn)為太空值得探索，因為我們從中受益匪淺。(because)_And

26、the money spent on space exploration can be used to solve the earths problems such as starvation and pollution. 70% think space is worth exploring because we have benefited a lot from it. 總有一天，我們可以搬到其他星球去解決人口問題。(by doing)_太空研究將使我們能夠找到新的能源來解決地球上的能源短缺問題。(不定式作目的狀語)_We may solve the population problem b

27、y moving to other planets one day. Space research will enable us to find new sources to solve the problem of energy shortages on the earth.參考范文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 spac

28、e is too far away from us and our daily life. And the money spent on space exploration can be used to solve the earths 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

29、 weather forecast. Whats 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.常用詞匯have a discussion about，different opinions，on the one hand.on the other hand.，first/second/third.，whats