（2021新人教版）高中英语必修第三册Unit 4 Space Exploration 学案.docx

1、必修三必修三 Unit 4 Space Exploration 1. 掌握并熟练运用本单元核心词汇和短语； 2. 掌握动词不定式的用法； 3. 运用本课的写作技巧完成应用文写作。 Reading and Thinking SPACE: THE FINAL FRONTIER determinevt. 查明；确定；决定 The investigation will determine what really happened. I determined that I would ask him outright. 【拓展】 adj. determinate 确定的 determined 有决心的；

2、意志坚定的 n. terminal 终点；终端 termination 终止,结束 【辨析】 decide, determine, resolve, settle 这些动词都含决定之意。 decide : 侧重指经过思考、比较、讨论或询问之后做出的决定。 determine : 指经过深思熟虑，决心去做某事并坚持施行。 resolve : 语气较强，强调以坚定不移的信念去做或不做某事，暗含有远大抱负和坚强决 心。 settle : 指排除犹豫、怀疑和争论之后作出明确的最终结论。 disappointedadj. 失望的；沮丧的 When things go wrong, all of us n

3、aturally feel disappointed and frustrated. She will be disappointed if her feelings are not returned. 【拓展】【拓展】 adj. disappointing 令人失望的；令人扫兴的 adv. disappointedly 失望地 disappointingly 令人失望地 n. disappointment 失望；沮丧 v. disappointing 令人失望 disappoint 使失望 carry on继续做；坚持干 They will carry on their negotiatio

4、ns next week. Her bravery has given him the will to carry on with his life and his work. 【拓展】【拓展】几种表达“继续做”的短语 carry on, go on 和 （1）三组词均可跟 with 或动名词，意义上无很大区别。 In spite of so many problems, the engineers are going to carry on with the project. Paul was calm and carried on working as if nothing had hap

5、pened. Well stop here for today and go on with the discussion tomorrow. Lets go on learning the lesson. The company is going to keep on with its advertising campaign. If you keep on studying hard, youll succeed. （2）carry on 和 go on 还可以作不及物动词短语单独使用，而 keep on 一般不这样用。 Please carry on as usual when Im a

6、way. The boys went on and the girls were left behind to wait for a bus. （3）go on 还可以接不定式，表示“接着做与原来不同的事情”，而 carry on 和 keep on 则没有这种用法。 After presenting the theory, the teacher went on to give the students some concrete examples. independentlyadv.独立地；自立地 The enquiry must be independently conducted. Y

7、ou are able to find out a lot of information on your own, independently. 【拓展】【拓展】 adj. independent 独立的；单独的 n. independent 独立自主者；无党派者 independence 独立性；自主 However, some scientists were determined to help humans realise their dream to explore space. Afterwards, the USSR focused on sending people into s

8、pace, and on 12 April 1961, Yuri Gagarin became the first person in the world to go into space. More recently, China has sent Change 4 to explore the surface of the far side of the moon to make measurements and observations. 动词不定式作定语和状语动词不定式作定语和状语 动词不定式作定语动词不定式作定语 不定式作定语必须放在被修饰词的后面。主要有以下几种情况： 1. 被修饰

9、的词被 first, last, only 或最高级修饰；且与不定式有主动关系。 Jim is the only one to win a medal in horse shooting. He was the first guest to arrive. 2. 动词不定式和被修饰词构成被动关系。如不定式中的动词为不及物动词，其后应加介 词。 Maria is a pleasant person to work with. Jazz is exciting music to listen to. The Browns have a comfortable house to live in. 3

10、. decision, wish, chance, promise, plan, time, attempt, effort, right, ability, patience 后用不定 式作定语，说明名词的内容。 He doesnt have the ability to pay. We made a plan to set up a club for car fans. 动词不定式作状语动词不定式作状语 不定式作状语多表示目的，也可表示原因、结果、比较等。 状语类别常用短语/结构 目的状语 （1）so as to 不位于句首 （2）不定式动作为主语发出 （3）放在句尾不用逗号分隔 结果状语

11、 only to do 表示出人意料的结果，位于句 尾 so/such . as to do sth. 如此以至于做某事 enough to do sth. 足够能做某事 too. to do sth. 太而不能做某事 原因状语 be +glad/sad/happy/sorry/pleased/surprised/disappointed/ delighted/shocked + to do sth. 放在系表结构后面表示产生某 种情绪或状态的原因 评注性状 语 to tell you the truth 说实话to be honest 诚实 地说 to be frank 坦诚地说to sum

12、 up 总之 to begin with 首先to start with 首先 to put it briefly 简言之to be sure/certain 的确， 毫无疑问 to make matters/things worse 更糟糕的是 to put it another way 换句话说needless to say 不 用说 to make a long story short 长话短说 用来说明说话者观点和态度， 修饰整个句子 To free ourselves from the physical and mental tension, we each need deep th

13、ought and inner quietness。 (表目的) Simon made a big bamboo box to keep the little sick bird till it could fly. (表目的) She raised her voice so as to make herself heard. (表目的) We hurried to the station only to be told that the train had let. (表结果) The husband left his wife, never to return. (表结果) She was

14、 surprised to see George walk in. (表原因) Im ashamed to have to trouble you. (表原因) I have never seen such a person, to tell you the truth. (评注性状语) To put it another way, she was sweet-tempered. (评注性状语) 1. Bank was the first _ (move) crops from one continent to another on a large scale, helping to deve

15、lop local economies with these new imports. 2. Volunteering gives you a chance _ (change) lives, including your own. 3. _ (make) it easier to get in touch with us, youd better keep this card at hand. 4. The old man sat in front of the television every evening, happy _ (watch) anything that happened

16、to be on. 5. Anxiously, she took the dress out of the package and tried it on, only _ (find) it didnt fit. 6. For 25 days, she never left her baby, not even to find something _ (eat)! 7. _ the early flight, we ordered a taxi in advance and got up very early. A. CatchingB. CaughtC. To catchD. Catch 8

17、. Sometimes I act as a listening ear for fellow students _ what is bothering them. A. to talk overB. talked overC. talk overD. having talked over 9. The idea “happiness”, _, will not sit still for easy definition. A. to be rigidB. to be sureC. to be perfectD. to be fair 答案：答案： 1. to move2. to change

18、3. To make4. to watch 5. to find6. to eat7. C8.A9. B Reading for writing IS EXPLORING SPACE AWASTE OF TIME AND MONEY? arguevt.&vi. 论证；争辩；争论 I dont think many people would argue with that. Do what you are told and dont argue with me. 【辨析】【辨析】 argue, quarrel, debate, dispute, discuss 这些动词均含辩论，争论，说理之意。

19、 argue : 指提出理由或证据为自己或自己一方的看法或立场辩护，着重说理、论证和企 图说服。 quarrel : 指两人之间或两个团体之间不友好的、吵吵嚷嚷地大声争论某事，尤指吵嘴、 吵架。 debate : 侧重指意见等对立的双方之间正式或公开的争辩。 dispute: 侧重对分歧进行激烈或热烈的争论或争辩，带一定感情色彩，常隐含各持已 见或争论不休意味。 discuss : 最常用词， 指就某一或某些问题表明观点、 看法等， 以便统一认识， 解决问题。 as a result所以；结果（是） As a result, the discussion was put off until t

20、he following week. He fell off the bike and hurt his leg yesterday. As a result he had to be away from school for two or three months. 【辨析】【辨析】as a result 和 as a result of as a result 为副词用法，意为“所以；结果（是）”，强调事情引起的结果。 as a result of 短语介词，意为“由于；作为的结果”，后跟名词、代词等，强调原因。 The train was delayed asa result of th

21、e heavy rain. He got up very late today.As a result, he missed the first bus. resourcen. 资源；财力；物力 Water is becoming an increasingly precious resource. Theres a great shortage of resource materials in many schools. 【拓展】【拓展】 human resource 人力资源 resource management 资源管理 water resource 水资源 resource allo

22、cation 资源分配 natural resource 自然资源 land resource 土地资源 resource utilization 资源利用，资源运用；资源运用性 energy resource n. 能源；动力资源 renewable resource 可再生资源 limitedadj. 有限的 They displayed only a part of their products because space was limited. How will you use the limited time you have? 【拓展】【拓展】 adj. limitless 无限

23、制的；无界限的 limiting 限制的；限制性的 n. limit 限制；限度；界线 v. limit 限制；限定 主题写作主题写作写信向朋友介绍你班探索太空讨论会的内容写信向朋友介绍你班探索太空讨论会的内容 写作任务写作任务 假设你是李华。最近，你班同学就“太空是否值得探索”这一话题展开了一场讨论。请你 根据下面提供的信息，用英语写一篇短文并写信给你的好朋友汤姆介绍这一情况。100 词左 右。 30的同学认为： （1）不值得探索； （2）离我们及我们的日常生活太遥远； （3）浪费金钱，这些金钱本可以用来解决地球上的饥饿、污染等问题。 70的同学认为： （1）值得探索 （2）卫星已用来进行通

24、信传播、天气预报，使我们的生活更方便了； （3）有望解决地球能源短缺等问题。 Dear Tom, _ _ _ _ Yours Li Hua 写作思路写作思路 一审：确定写作体裁和主题 体裁：应用文 主题：探索太空讨论会 二定：确定时态和人称(与体裁和主题息息相关) 时态：以一般现在时为主（介绍目前的情况） 人称：以第一、三人称为主 三明确 问候并引入主题讨论会的正反双方的观点询问对方的看法，并期待回复 四分段(与写作要点息息相关) 结合写作要点分为三个段落 素材整理素材整理 （1）关键词语 have a discussion on, on the one hand, worthwhile, f

25、ar away from, solve the problems, on the other hand, be worthy to be done, as well as, besides, energy shortages （2）翻译句子 最近，我们班的同学就太空是否值得探索进行了一次讨论。 (have a discussion on) 一方面，我们有 30的同学认为，太空探索不值得。 (on the one hand, worthwhile) 他们认为，太空离我们和我们的生活太远。 (far away from) 而且太空探索会耗费大量的金钱，这些钱可以用来解决像饥饿和污染之类的问题。 (

26、solve the problems) 而另一方面，70的同学认为太空值得探索。 (on the other hand, be worthy to be done) 我们都知道，卫星被用于通信，也被用于预报天气，这使得我们的生活更加便利。 (as well as) 此外，如果在其他星球上发现资源，我们地球上能源短缺的问题就能得到解决。 (besides, energy shortages) Keys: Recently, students in our class have had a discussion on whether space is worth exploring. On the

27、 one hand, 30% of us think that space exploration is not worthwhile. They think space is too far away from us and our daily life. And space exploration will waste a lot of money, which can be used to solve the problems such as starvation and pollution. On the other hand, 70 think space is worthy to

28、be explored. As we all know, satellites have been used for weather forecasts as well as communication, which makes our life more convenient. Besides, if resources are found on other planets, the poblem of energy shortages on our earth can be solved. 将以上句子连成一篇语言流畅、用词准确、逻辑严谨的短文。 Dear Tom, Hows everyth

29、ing going? Recently, students in our class have had a discussion on whether space is worth exploring. On the one hand, 30% of us think that space exploration is not worthwhile. They think space is too far away from us and our daily life. And space exploration will waste a lot of money, which can be

30、used to solve the problems such as starvation and pollution. On the other hand, 70% think space is worthy to be explored. As we all know, satellites have been used for weather forecasts as well as communication, which makes our life more convenient. Besides, if resources are found on other planets, the problem of energy shortages on our earth can be solved. What about your opinion? Looking forward to your early reply. Yours Li Hua