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新教材高中英语UNIT4SPACEEXPL课件 人教版必修第三册

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UNIT 4 SPACE EXPLORATION Section C Discovering Useful Structures 核心词汇 词汇一   first of all 首选;第一;最重要;首先 ◆教材原句 First of all , you must be intelligent enough to get a related college degree. 首先,你必须足够聪明来得到一个相关的大学文凭。 ◆学法点拨 first of all 一是用来列举事物,二是突出重要性 ◆要点必记 come first 首先;第一;首先要考虑的 first and foremost 首先;首要的是 first and last 从各方面看;完全 first up 第一;首先 from the ( very ) first 从一开始 from first to last 从头至尾;自始至终 at first 起初;起先 题组练 · 领悟方法 单句写作 ( 1 )         ( 首先), you should improve your spoken English. ( 2 ) As a student ,         (最重要的), should be honest. ( 3 )           (首要的是), you must tell me the truth. ( 4 ) My son was very strong and didn’t turn to me for help          (从头至尾) . ( 5 ) My parents didn’t understand what I meant      (起初) . After knowing it , they both supported me. First of all   first of all First and foremost from first to last at first 词汇二   recycle vt. 回收利用;再利用 ◆教材原句 In space , astronauts collect all dirty water so as to recycle it for later use. 在太空中, 宇航员收集所有的污水,以便回收利用。 ◆要点必记 recycle the waste material 回收废物 recycle paper/glass 回收纸 / 玻璃 recycled materials 回收的材 recycling n. 回收利用 ◆词语积累 re- 可以作动词前缀,表示“又,再,重新” cycle n. 循环;周期→ recycle v. 回收利 用;再利用 place v. 放;置→ replace vt. 取代;放回 move v. 移动→ remove vt. 移开;挪走 use vt. 使用→ reuse vt. 再利用 build v. 建;建造→ rebuild v. 重建 单句语法填空 ( 1 ) Making lovely objects using      ( recycle ) and made material. ( 2 ) The garbage is then taken away and , if possible ,      ( recycle ) . 单句写作 ( 3 ) Paper bags           (很容易被循环利用) but require more energy to produce and transport. 单句翻译 ( 4 ) 始终正确地处理你的垃圾,并在可能的情况下回收废物。 ______________________________________________________________________ recycled   recycled   are easily recycled   Always get rid of your rubbish properly and recycle waste where possible.   词汇三   lack ( 1 ) n. 缺乏;短缺 ( 2 ) vt . 没有;缺乏 ◆教材原句 Astronauts’ bones and muscles can get very weak in space due to the lack of gravity , so they need to exercise every day , which will help them stay healthy. 由于缺乏重力,宇航员们的骨头和肌肉很容易变得虚弱, 所以他们需要每天锻炼来保持健康。 ◆要点必记 the lack of... 缺乏 …… lack sth. 缺乏 …… a lack of 缺少 for/because of/through ( a ) lack of 因为缺乏 …… be lacking in 缺乏 …… ◆误区警示 · lack 作动词时,是及物动词,其后直接接宾语。 ·lack 作名词时,其后接介词 of 。 单句语法填空 ( 1 ) The headmaster said that      lack of money was a great challenge. ( 2 ) Though      ( lack ) money , they managed to send their son to university. ( 3 ) My father looks quite tired _____________lack of sleep. 单句写作 ( 4 ) Health problems are closely connected with bad eating habits and _______________             (缺乏锻炼) . ( 5 ) Although Peter           (缺乏经验), the manager asked him to take charge of the project. a   lacking   for/through   a lack of exercise   lacked experience   词汇四   otherwise adv. 否则;要不然 ◆教材原句 ...everything would float off otherwise. …… 否则所有东西都会飘走。 ◆要点必记 ( 1 )通常用于“祈使句+ otherwise +陈述句”的句型,意为“否则”,相当于 or 。 ( 2 ) otherwise 作句子副词时,还常用于引 起含蓄型虚拟语气句,表示如果某事没有发生,就会发生另一件事,该句谓语部分多用“ would/could+have done” 。 Study hard next term , otherwise you will fall behind others. 下学期努力学习,否则你会落后于其他人的。 Bob helped me. Otherwise , I wouldn’t have finished the task on time. 鲍勃帮助了我。否则我不可能按时完成任务的。 单句语法填空 ( 1 ) Do some exercises as a preparation before you swim. ___________ , you might hurt yourself. ( 2 ) He must have completed his work ___________ , he wouldn’t be enjoying himself by the seaside. ( 3 ) We lost our way in that small village. Otherwise we _________________________ ( visit ) more places of interest yesterday. 单句写作 ( 4 ) Thanks for your directions to the house ; we wouldn’t have found it ___________ (否则) . ( 5 ) They got two free tickets to the opening ceremony of the Olympics ; ___________ (否则) they’d never have been able to afford to go. Otherwise   otherwise   would/could have visited   otherwise   otherwise   词汇五   under control 在 …… 的控制下 ◆教材原句 During a spacewalk , astronauts have to move slowly so that they can keep their bodies under control. 在太空行走中,宇航员不得不慢慢地移动以便他们能控制自己的身体。 ◆要点必记 out of/beyond control 失去控制 in control of 掌管;控制 in/under the control of 在 …… 的控制下 take/gain/get control of 控制 lose control of 失去控制 get/bring sth. under control 控制某事 / 某物 ◆归纳拓展 “under+ 抽象名词”结构: under discussion 在讨论中 under guarantee 在保质期内 under construction 在建设中 under repair 在修理中 under consideration 在考虑中 under examination 在检查中 under attack 遭受攻击 单句写作 ( 1 ) Even though the fire is         (得到了控制), it is still burning. ( 2 )[ 2019· 湖南长沙长郡中学高一期中] This helps the IOC keep the Olympics’ budget         (得到了控制) . ( 3 )[ 2019· 江苏南菁高级中学高一第一次段考] To my disappointment , his behavior is somewhat              (失去控制) . under control   under control   out of/beyond control   同义句转换 ( 4 ) At this moment , the problem is being discussed. → At this moment , the problem is           . ( 5 ) The high-speed railway is being built and will be completed at the end of 2019. → The high-speed railway is           and will be completed at the end of 2019. ( 6 ) My car is being repaired. Could you give me a lift? → My car is           . Could you give me a lift? under discussion   under construction   under repair   词汇六   beyond prep. 在更远处;超出 ◆教材原句 Sending people to other planets or even beyond the solar system is not an easy goal to be achieved. 将人类送往其他行星甚至太阳系之外并不是一个容易实现的目标。 ◆要点必记 beyond control 失去控制 beyond the reach of 鞭长莫及 beyond repair 无法修理 beyond one’s power 超出某人的权力 beyond doubt 无疑地;确实 beyond belief 难以置信 beyond recognition 认不出来 beyond description 难以描述 beyond measure 难以衡量 beyond sb. 对于某人来说难以理解;对某人来说很难处理 单句写作 ( 1 ) Your shoes are worn and they are           (无法修理) . ( 2 ) Martin lives in New York , __________________ (鞭长莫及) his parents. ( 3 ) Lang Ping is           (无疑) an excellent coach in volleyball. 单句翻译 ( 4 ) 这个问题他难以理解,所以他向我求助。 ______________________________________________________ ( 5 ) 罗伯特改变得太大了,以至于他没被认出来。 ______________________________________________________ beyond repair   beyond the reach of   beyond doubt   The question was beyond him , so he asked me for help.   Robert changed so much that he was beyond recognition.   词汇七   current ( 1 ) adj. 当前的;现在的;通用的;流通的 ( 2 ) n. 水流;电流;思潮 ◆教材原句 For example , using current technology , it would take over two years to get to the closest planet , Mars , and back. 例如,使用目前的技术,需要两年多的时间才能到达最近的行星 —— 火星,然后再回来。 ◆要点必记 the current technology 目前的技术 the current situation 当前的形势 current money 流通货币 current/the latest events 当前事件 / 最新事件 current affairs 时事 electric current 电流 ◆词语积累 currently adv. 当前;现时 currency n. 通货;货币;支付手段 写出句中 current 的词性及含义 ( 1 ) The current situation in the world is a little tense. ______________________     ( 2 ) Strong currents and winds swept their boat out to sea. _______________      单句语法填空 ( 3 ) The      ( currency ) situation in that African country is very tense , so you’d better not go there. ( 4 ) Zhu Ting , one of the most excellent players in China ,      ( current ) plays for Tianjin Bohai Bank. 单句翻译 ( 5 ) 你能谈谈沙漠的现状吗? _____________________________________________________________ adj. 目前的;现在的   n. 水流   current   currently   Can you say something about the current conditions in the desert?   词汇八   figure out 弄懂;弄清楚;弄明白;计算出 ◆教材原句 Will scientists figure out a way to store sufficient food and water for the long journey? 科学家们会想出一种方法来为长途旅行储存足够的食物和水吗? ◆要点必记 figure in 把 …… 列入计算 figure that... 认为 …… ◆学法点拨 figure out 后面可接名词、代词作宾语,也可接“疑问词 + 动词不定式”或宾语从句。 ◆归纳拓展 break out (战争、灾难等)爆发;发生 bring out 使显示;出版;生产 give out 分发;公布;用完;耗尽 come out 出现;出版;结果是 make out 勉强看见、听出;理解;弄清楚 look out/watch out 当心;留神 turn out 制造;生产;原来是;结果是 work out 算出;想出;制定出;锻炼;解决 写出句中 figure out 的含义 ( 1 ) Please help me to figure out my income tax. ___________    ( 2 ) I’m busy now. You should figure out a way to solve the problem. ___________ ( 3 ) I can’t figure out why he gave up the well-paid job. ____________   单句语法填空 ( 4 ) I couldn’t figure      what made our boss so angry at the meeting. ( 5 ) We need to study and figure out how _____________ ( promote ) our products. 计算出    弄明白   弄清楚      out    to promote   用含 out 的有关短语填空 ( 6 ) When the Second World War      , my grandfather was at university. ( 7 ) When we climbed to the top of Mount Tai , my legs      . ( 8 ) The book has been translated into more than 30 languages since it      in 1945. ( 9 ) It was so foggy that the driver could hardly      the way ahead. ( 10 ) To keep fit , the famous actress spends about two hours ______________every day. ( 11 ) He said he was a general ; but later he _____________ to be a cheat. ( 12 ) While crossing the street , you must __________________for the cars. broke out   gave out   came out   make out     working out   turned out   look out/watch out   词汇九   sufficient adj. 足够的;充足的 ◆要点必记 sufficient water 充足的水 sufficient materials 充足的材料 sufficient time 充足的时间 sufficient resources 充足的资源 sufficient information 充足的信息 be sufficient for 对 …… 来说是足够的 be sufficient to do sth. 足够做某事 ◆词语积累 sufficiency n. 足够;充分 sufficiently adv. 足够地;充分地 单句语法填空 ( 1 ) The water in this pond is not sufficient      watering wheat. ( 2 ) Mary _____________ ( sufficient ) used the chance to learn about Chinese culture when she was in Beijing. 单句写作 ( 3 ) There is                (足够的证据证明) that he wasn’t connected with the incident. ( 4 ) If I have           (足够的时间), I will pay a visit to the Forbidden City. for     sufficiently   sufficient evidence to prove sufficient time     词汇十   keen adj. 热衷的;渴望的 ◆要点必记 dead keen 非常喜欢 be keen to do sth. 渴望做某事 be keen on ( doing ) sth. 热衷于(做)某事 take a keen interest in 对 …… 有兴趣 a keen eye for sth. 对某事物有敏锐的眼光 a keen mind/brain 灵敏 / 敏锐的头脑 ◆词语积累 keenly adv. 强烈地;(观察)敏锐地 keenness n. 渴望;热衷 单句语法填空 ( 1 ) There was a time when my daughter was keen      pop music. ( 2 ) The young player is keen      ( win ) a gold medal in the Olympic Games. ( 3 ) My father has always been      ( keen ) interested in politics. 单句写作 ( 4 ) When Jackson was a kid , he ___________________ (非常热衷于) drawing. on      to win    keenly     took a keen interest in   重点句式 句式一   It takes sb. some time to do sth. 花费某人一些时间做某事。 ◆教材原句 For example , using the current technology , it would take over two years to get to the closest planet , Mars , and back. 例如,使用目前的技术,需要两年多的时间才能到达最近的行星 —— 火星,然后再回来。 ◆句式分析 本句是一个简单句。句中的 using... 是现在分词短语作状语。句型 It takes sb. some time to do sth. 表示“花费某人一些时间做某事”。句中的 it 是形式主语,真正的主语是后面的不定式短语。 ◆归纳拓展 spend time/money on sth. 在 …… 上花费时间 / 金钱 spend time ( in ) doing sth. 花费时间做某事 spend money ( on ) doing sth. 花费金钱做某事 单句语法填空 ( 1 ) It will take nearly 20 years      ( bring ) the fish’s population back to strong levels. ( 2 ) It took the workers less than nine years _______________ ( complete ) the world’s longest sea bridge. ( 3 ) Jane Goodall spent more than fifty years      ( study ) the chimps. 句型转换 ( 4 ) The clever boy spent only five minutes working out the difficult question.        the clever boy only five minutes           the difficult question. to bring        to complete       studying      It took      to work out      单元语法 不定式作状语和定语 要点一  不定式作目的状语 ◆用法归纳 不定式作目的状语,既可位于句首,也可位于句中。 ◆词语辨析 in order to 与 so as to · in order to 引出的不定式可置于句首或句中。 · so as to 引出的不定式只能置于句中而不能置于句首。 单句语法填空 ( 1 )      ( find ) out more information about the course , please visit the website. ( 2 ) We will do whatever we can      ( help ) the victims of the earthquake. ( 3 )      ( reduce ) air pollution , the local government has taken strict measures. To find        to help         To reduce       要点二  不定式作结果状语 ◆用法归纳 ( 1 )动词不定式作结果状语时,常用于一 些固定搭配中: so...as to do sth. ; such...as to do sth. ; ...enough to do sth. ; too...to do sth. 。 注意: 当 too 后跟表示情感的形容词,如 ready , pleased , happy 等时, too...to 这一结构不含否定意义,而是“太 ……” 。 too 前还可用 only 。 ( 2 )动词不定式作结果状语时,常与 only , never 连用,强调结果和失望的情绪。 单句语法填空 ( 1 ) They hurried to the station , only      ( find ) that the train had left. ( 2 ) We came to the library after school , only      ( tell ) that it was being decorated. ( 3 ) The animals before the earthquake were too nervous      ( eat ) . ( 4 ) She was too young ___________ ( understand ) all that. ( 5 ) We are only too pleased      ( work ) together with you. to find           to be told       to eat         to understand     to work          ( 6 ) He is too ready      ( help ) the homeless. ( 7 ) We found the stadium big enough      ( hold ) so many people. ( 8 ) I hope there are enough books for each student      ( have ) one. ( 9 ) Henry was so careless as      ( make ) some spelling mistakes. ( 10 ) Would you be so kind      ( close ) the door for me ? to help          to hold         to have        to make        to close       要点三  不定式作原因状语 ◆用法归纳 不定式作原因状语主要用在形容词或过去分词后面,表示产生这种情绪的原因。有这样用法的形容词有: able , unable , willing , unwilling , eager , anxious , proud , happy , lucky , fortunate , angry , content , sorry , ready , glad , clever , quick , slow , foolish , considerate , ashamed , surprised , frightened , shocked , delighted , disappointed 等。 单句语法填空 ( 1 ) They are proud _____________ ( realize ) their dreams. ( 2 ) Her friends were very surprised      ( hear ) that they had broken up. ( 3 ) Mary was glad      ( see ) his father working in the garden. ( 4 ) I am sorry      ( hear ) that you should have given up the good chance. ( 5 ) Sandefur was shocked      ( find ) out she had won a MacArthur Fellowship. ( 6 ) You are foolish ____________ ( leave ) your new bike outside without locking it. ( 7 ) The European country is willing _____________ ( cooperate ) with China on its Belt and Road Initiative , known as the BRI. to realized            to hear         to see           to hear           to find         to have left         to cooperate          要点四  不定式的主动形式表被动意义 ◆用法归纳 当句子中有形容词 easy , difficult , light , heavy , comfort , pleasant , hard , dangerous , fit , unfit , interesting , important , necessary 等时,用不定式的主动形式表达被动 意义。 To turn to the left, you can find a cinema. =If you turn to the left, you can find a cinema. 若向左拐,你能发现一个电影院。 单句语法填空 ( 1 ) Our monitor is easy      ( get ) along with. ( 2 ) The problem is very difficult      ( solve ) . ( 3 ) The air in the morning is pleasant      ( breathe ) . ( 4 ) The book is very interesting      ( read ) . ( 5 ) For those who like animals , those dogs are hard      ( resist ) . ( 6 ) Scientific information can be difficult _______________ ( understand ) . to get         to solve         to breathe          to read         to resist         to understand           要点五  不定式作定语 ◆用法归纳 不定式作定语时,放在它所修饰的名词或代词之后。 ( 1 )动词不定式和它修饰的词之间是动 宾关系。 Have you got anything to do this evening? 今晚你有事吗? ( 2 )被修饰的词与动词不定式有逻辑上 的主谓关系,这时被修饰的名词常常被 first , last , second 以及 only 等修饰。 sb./sth. be the first/second/third... to do... 某人 / 某物是第一个 / 第二个 / 第三个做 …… 的 …… ( 3 )动词不定式说明它修饰的名词或代 词的内容,相当于同位语,可以转换为同位语从句。常见的可跟动词不定式作定语的这类名词有: decision , wish , chance , promise , plan , attempt , effort , right (权利), ability , patience , way 等。 单句语法填空 ( 1 ) I have something important      ( tell ) you. ( 2 ) I want to get something      ( read ) in the coming summer holidays. ( 3 ) My mother had lots of things      ( deal ) with. ( 4 ) Miss Liu is a very nice person      ( work ) with. ( 5 ) China is the third country in the world      ( send ) men into space. to tell     to read         to deal         to deal         to send