2020高考英語(yǔ)一輪復(fù)習(xí) Unit 3 Computers教學(xué)案 新人教版必修2

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1、Unit 3 Computers 三言 兩語(yǔ) 1．On one hand, shopping online makes shopping a lot easier and more convenient.On the other hand, paying online has risks. 2．We are now living in an information age, in which TV, cellphones and the Web are widely used. 3．A cellphone can make me keep in touch with my fri

2、ends and family while the Internet can provide me with almost all information. 1．在互聯(lián)網(wǎng)的幫助下，人們?cè)诩矣靡慌_(tái)電腦辦公，收發(fā)所需信息成為可能。 With the help of the Internet, it's possible for people to work at home with a computer in front, sending and getting the information they need. 2．最重要的是，電腦的廣泛應(yīng)用已經(jīng)給我們的生活帶來(lái)了更多的便利。 Most

3、 importantly, the wide use of the computer has brought us more convenience in our lives. [單詞　拼寫(xiě)應(yīng)用] 核 心 單 詞 1．a(chǎn)nyhow adv.無(wú)論如何； 即使如此 2．reality n．真實(shí)；事實(shí)；現(xiàn)實(shí) 3．signal vi.&vt.發(fā)信號(hào) n．信號(hào) 4．a(chǎn)rise vi.出現(xiàn)；發(fā)生 5．character n．性格；特點(diǎn) 6．calculate vt.計(jì)算 7．goal n．目標(biāo)；目的；球門(mén)；(進(jìn)球)得分 8．type n．類型 vt.&vi.打字 9．h

4、appiness n．幸福；快樂(lè) 10．technology n．工藝；科技；技術(shù) 11．naughty adj.頑皮的；淘氣的 [語(yǔ)境運(yùn)用]　用所給詞的適當(dāng)形式填空 1．Seeing their favourite star come in，the devoted fans arose (arise) from their seats immediately. 2．After years of hard work, his dream has been turned into reality (real)． 3．You'll need to calculate(calculate

5、) how much time the assignment will take. 4．There were so many different types (type)of bread that the volunteer didn't know which to buy. 5．The woman signalled (signal) to the cars behind to stop immediately，but they didn't notice her. 拓 展 單 詞 1．operate v．操作；經(jīng)營(yíng)→operator n．(電腦)操作員；接線員 → opera

6、tion n．操作；經(jīng)營(yíng) 2．solve vt.解決；解答→ solution n．方法 3．intelligent adj.智能的；聰明的→intelligence n．智力；聰明；智能 4．personal adj.私人的；個(gè)人的；親自的→ personally adv.就個(gè)人而言；親自→ personality n．個(gè)性；人格；風(fēng)云人物；名人 5．total adj.總的；整個(gè)的n.總數(shù)；合計(jì)v.共計(jì)；總計(jì)；把……加起來(lái)→ totally adv.完全地；整個(gè)地 6．a(chǎn)pply v．應(yīng)用；涉及；申請(qǐng)→ application n．應(yīng)用；用途；申請(qǐng)→ applicant n．申請(qǐng)

7、人；求職者 7．finance n．金融；財(cái)經(jīng)→ financial adj.財(cái)政的；金融的；資金的 8．explore vt.&vi.探索；探測(cè)；探究→ explorer n．探險(xiǎn)家；勘探者→ exploration n．探索 9．a(chǎn)ppear vi.出現(xiàn)→appearance n．外觀；外貌；出現(xiàn) [語(yǔ)境運(yùn)用]　用所給詞的適當(dāng)形式填空 1．As far as I know, the problem is difficult to solve．The team are working hard to analyze it so that they can find the bes

8、t solution．(solve) 2．After the president made an official announcement, she expressed her personal opinion.Personally speaking, I agreed with what she said.(person) 3．Any applicant who would like to apply to become an assistant in our company should send us an application before May 10, 2022.(appl

9、y) 4．He believes that all children are born with equal intelligence．And he thinks that this slow boy can be as intelligent as others if taught properly.(intelligent) 5．A team of explorers will explore the valley and the exploration will last 10 days.(explore) 閱 讀 單 詞 1．sum n．總數(shù)；算術(shù)題；金額 2．a(chǎn)rti

10、ficial adj.人造的；假的 3．download vt.下載 4．virus n．病毒 5．mobile adj.可移動(dòng)的；機(jī)動(dòng)的 6．universal adj.普遍的；通用的；宇宙的 7．network n．網(wǎng)絡(luò)；網(wǎng)狀物 8．electronic adj.電子的 9．revolution n．革命 10．supporting adj.支持的；支撐的 11．spoil vt.損壞；寵壞 12．mop n．拖把 vt.用拖把拖；擦 13．coach n．教練 14．simplify vt.簡(jiǎn)化 15．logical adj.合邏輯的；合情理的 1．(2

11、017·全國(guó)卷Ⅱ)He'd been in and out of the hospital.He and I both knew what the deal was, and we didn't talk about it.壞運(yùn)氣；霉運(yùn) 2．(江蘇卷)Now other students were coming to him for coaching and they, in turn, were winning contests.輔導(dǎo)；指導(dǎo) [短語(yǔ)　多維應(yīng)用] 高 頻 短 語(yǔ) 1．with the help of 在……的幫助下 2．deal with 處理；安排；對(duì)付

12、 3．a(chǎn)s a result結(jié)果；因此 4．a(chǎn)fter all畢竟；終究 5．from ...on從……時(shí)起 6．in a way在某種程度上 [語(yǔ)境運(yùn)用]　(填入一個(gè)適當(dāng)?shù)脑~) Faced with so many problems arising from lack of communication，I didn't know how to deal①with them independently.After②all，I had never left my parents.③As a result，I couldn't adapt to my new school life.Lu

13、ckily，④with the help of my teachers and classmates，I have got along well with my classmates and made great progress in my studies. 7．watch over看守；監(jiān)視；照管 8．provide...for...給……提供…… 9．have sth.in common 有共同之處 10．share...with...與……分享…… 11．make up彌補(bǔ)；編造；打扮；構(gòu)成 [語(yǔ)境運(yùn)用]　(填入一個(gè)適當(dāng)?shù)脑~) Li Hua is the eldest s

14、on of the family and it is generous of him to share his toys ⑤with his brothers.Besides，he often provides help ⑥for them.They have a lot ⑦in common.For example，they are all good at making ⑧up stories. [句式　結(jié)構(gòu)仿寫(xiě)] 教材原句背誦 句式仿寫(xiě)應(yīng)用 1．a(chǎn)s引導(dǎo)時(shí)間狀語(yǔ)從句，“隨著” As time went by，I was made smaller. 隨著互聯(lián)網(wǎng)的普及，我們和朋友面

15、對(duì)面的交流變少了。 As the Internet is becoming more and more popular，we have fewer face-to-face talks with our friends. 2.so...that...引導(dǎo)結(jié)果狀語(yǔ)從句，“如此……以致于……” And my memory became so large that even I couldn't believe it！ (2018·天津卷)這部短片非常有教育意義，因此獲得了高度評(píng)價(jià)。 The short film is so instructive that it has been hig

16、hly thought of. 1．total adj.總的；整個(gè)的 n．總數(shù)；合計(jì) (1)total n．總數(shù)；總量adj.完全的；徹底的；全部的 v．總數(shù)為；合計(jì) a total of總數(shù)為…… total up to合計(jì)；總數(shù)達(dá)到 (2)totally adv.總和地；完全地 total darkness 漆黑 the total profit利潤(rùn)總額 [基礎(chǔ)練習(xí)]——單句語(yǔ)法填空 ①You got 47 points on the written examination and 18 on the oral，making a total of 65.

17、 ②(2019·北京卷)The students benefitting most from college are those who are totally(total) engaged(參與) in academic life, taking full advantage of the college's chances and resources(資源). [鏈接寫(xiě)作]——詞匯升級(jí) (普通表達(dá))There were probably 30 people altogether attending this conference. (高級(jí)表達(dá))There were probably

18、 a total of 30 people attending this conference. (高級(jí)表達(dá))There were probably 30 people attending this conference in total/in all． (高級(jí)表達(dá))Totally，there were probably 30 people attending this conference. 2．a(chǎn)rise vi.出現(xiàn)；發(fā)生；起身；起床(arose; arisen) arise from/out of由……而引起；從……中產(chǎn)生(＝result from) [基礎(chǔ)練習(xí)]——寫(xiě)出下列句

19、中arise的含義 ①Seeing his mother return home, the boy arose from his chair immediately.起身 ②A number of high buildings have arisen where there was nothing a year ago but ruins.出現(xiàn) ③They arose at sunrise to get an early start to the park.起床 ④You can't be too careful while driving.Accidents often arise

20、from carelessness.產(chǎn)生 [鏈接寫(xiě)作]——用arise/rise/arouse/raise的適當(dāng)形式完成語(yǔ)段 ①Raised in a poor family, he found that everything in the outside world ②aroused his curiosity.However, as time went by, many problems ③arose.When the sun ④rose in the east, he ⑤arose/rose from his bed and began to deal with them. [名師

21、點(diǎn)津]　 原形 過(guò)去式 過(guò)去分詞 現(xiàn)在分詞 arise vi.出現(xiàn)；發(fā) 生；起因于；起床 arose arisen arising rise vi.升起；起 身；增長(zhǎng)；上升 rose risen rising raise vt.舉起；喚 起；提高；飼養(yǎng) raised raised raising 3．a(chǎn)s a result結(jié)果 as a result of 作為……的結(jié)果；由于…… result from產(chǎn)生于……；由……引起 result in造成；導(dǎo)致 [基礎(chǔ)練習(xí)]——單句語(yǔ)法填空 ①(江西卷)My friend Martin was ve

22、ry sick with a strange fever; as a result, he could neither eat nor sleep. ②(全國(guó)卷)Jenny nearly missed the flight as a result of doing too much shopping. [鏈接寫(xiě)作]——一句多譯 他突然頭疼起來(lái)，因此，他沒(méi)有去參加宴會(huì)。 ①He had a sudden headache.As a result, he wasn't able to attend the party. ②He wasn't able to attend the part

23、y, as a result of his sudden headache. ③His sudden headache resulted in his not being able to attend the party. ④His not being able to attend the party resulted from his sudden headache. 4．in a way從某一角度看；在某種程度上 by way of經(jīng)由；途經(jīng) by the way 順便說(shuō) in this way 以這種方法 in the way 擋道；礙事 in no way 決不 al

24、l the way一路上；自始至終 on one's way/the way to 在……路上 [基礎(chǔ)練習(xí)]——單句語(yǔ)法填空 ①a.(陜西卷)—I think he is taking an active part in social work. —I agree with you in a way. 　b．(福建卷)Mrs.Smith finds it hard to clear up the mess, as her children are always in the way whenever she tries to. ② (2017·浙江卷)At this moment,

25、 Paul and Backy were driving their car on their way to Alaska. [鏈接寫(xiě)作]——句式升級(jí) (普通表達(dá))They can grow up to be independent and become truly successful only in this way. (高級(jí)表達(dá))Only in this way can they grow up to be independent and become truly successful.(倒裝句) 5．deal with處理；對(duì)付；相處；與……打交道；涉及 do with 處理

26、；對(duì)付；安排 It's a deal. 成交；一言為定 [基礎(chǔ)練習(xí)]——寫(xiě)出下列句中deal with的含義 ①(浙江卷)We may have various ways to deal with such a situation.處理 ②(四川卷)In many people's opinion, that company, though relatively small, is pleasant to deal with.與……做生意 ③(2019·天津卷)I must have always known reading was very important because th

27、e first memories I have as a child deal with books.涉及 ④His work experience equipped him to deal with all kinds of people.與……打交道 [鏈接寫(xiě)作]——一句多譯 (遼寧卷)必須教育學(xué)齡兒童如何應(yīng)對(duì)危險(xiǎn)的情況。 ①School children must be taught how to deal with dangerous situations. ②School children must be taught what to do with dangerous s

28、ituations. [名師點(diǎn)津]　deal with表示“處理”時(shí)，常與連接副詞how連用。do with表示“處理”時(shí)，常與連接代詞what連用。 6．[教材佳句]And my memory became so large that even I couldn't believe it! 我的存儲(chǔ)量變得如此之大，連我自己都不能相信！ [句法句式]so...that...如此……以至于……，so為副詞，修飾形容詞large；that 為連詞，引導(dǎo)結(jié)果狀語(yǔ)從句。 (1)so ＋that -clause (2)such＋that -clause [金句推送]　(重慶卷)She d

29、rove so fast at the turn that the car almost went off the road.她在拐彎處開(kāi)得如此之快，以至于汽車差點(diǎn)偏離車道。 [基礎(chǔ)練習(xí)]——單句語(yǔ)法填空/單句改錯(cuò) ①(2019·全國(guó)卷Ⅲ) On our way to the house, it was raining so hard that we couldn't help wondering how long it would take to get there. ②a.The Great Wall is so well-known a tourist attraction tha

30、t millions of people pour in every year. 　b．The Great Wall is such a well-known tourist attraction that millions of people pour in every year. ③a.There is so little rain this summer here that we have to water the vegetable garden. 　b．They are such little trees that there are that few apples on th

31、em. ④(2017·全國(guó)卷Ⅰ)I was so much nervous that I could hardly tell which direction was left.去掉 much ⑤It was so fun to play on the beach that it attracted countless children.so→such [鏈接寫(xiě)作]——句式升級(jí) (普通表達(dá))(2018·全國(guó)卷Ⅲ)The newly-built stadium is so big that it can hold all the teachers and students in our s

32、chool. (高級(jí)表達(dá))So big is the newly-built stadium that it can hold all the teachers and students in our school.(倒裝) [名師點(diǎn)津]　在so/such...that...句型中，當(dāng)so或such以及它們所修飾的部分位于句首時(shí)，主句要用部分倒裝。 多維訓(xùn)練——夯實(shí)基礎(chǔ) 維度1——用所給詞的正確形式填空 1．(湖北卷)Frustrated by frequent failures in my English exams, I found myself on the point o

33、f giving up totally (total)． 2．With many problems arising (arise)all at once, he didn't know what to do next. 3．With so many things to deal (deal) with, I have to work late into the night. 4．(湖北卷)In order not to be heard，she pointed her finger upwards to signal(signal) that someone was moving abo

34、ut upstairs. 5．We were talking about the TV play, and his sudden appearance (appear) stopped our conversation. 維度2——在空白處填入一個(gè)適當(dāng)?shù)脑~ 6．Her car broke down on her way to the park; as a result, she had to ask someone to repair it. 7．In a way, the computer plays a more and more important role in our lif

35、e and work. 8．So loudly did he speak that even the people in the next room could hear him. 9．Faced with such a difficult situation, I don't know how to deal with the difficult problem. 10．a(chǎn).As our society develops quickly, we find less time to get together with our friends. b．With our society de

36、veloping quickly, we find less time to get together with our friends. 維度3——查缺補(bǔ)漏 11．Her childhood dream became a reality (real) when she broke the 100m race world record. 12．The children are too young to understand this kind of problem；try to simplify(simple) your explanation please. 13．Though th

37、e problem was difficult，the boy said that he could find the solution (solve) to it. 14．With global warming becoming more and more serious, it won't be long before some coastal cities disappear. 15．Many people thought highly of what he said, but personally (personal), I thought he just showed himse

38、lf off. 語(yǔ)篇練習(xí)——提升能力 提能一　單元話題語(yǔ)篇練 根據(jù)P18教材課文內(nèi)容，在空白處填入1個(gè)適當(dāng)?shù)膯卧~或括號(hào)內(nèi)單詞的正確形式 Over time I have been changed quite a lot.I began as a 1．calculating (calculate) machine in France in 1642 and I could simplify difficult sums.I developed very slowly and it took nearly two hundred years 2.before I was built as

39、an analytical machine by Charles Babbage.At that time it was considered a 3.technological (technology) revolution and the start of my “artificial intelligence”．In 1936 my real father, Alan Turing, wrote a book about 4.how I could be made to work as a “universal machine” 5.to solve (solve) any diffic

40、ult mathematical problem.From then on，I grew 6．rapidly (rapid) both in size and in brainpower.By the 1940s I had grown as large as a room and this reality worried my designers.As time went by, I was made smaller and smaller.In the early 1960s the scientists gave me a family 7．connected (connect) by

41、a network.I was able to share my knowledge 8.with others through the World Wide Web.Since the 1970s many new 9.applications (apply) have been found for me.I have become very important in communication, finance and trade.My goal is to provide humans with a life of high quality.I am now truly 10.fille

42、d (fill) with happiness that I am a devoted friend and helper of the human race! 提能二　單元話題寫(xiě)作練 1．補(bǔ)全要點(diǎn)句(加黑體部分請(qǐng)利用本單元所學(xué)詞匯) ①隨著因特網(wǎng)的迅速發(fā)展，人們可以通過(guò)網(wǎng)絡(luò)申請(qǐng)工作。 As the Internet develops rapidly, people can apply for jobs through the Internet. ②在某種程度上，電腦改變了我們的生活。 In a way, computers have changed our life. ③人們用

43、它們打字、發(fā)信號(hào)、解決各種問(wèn)題，甚至探索月球。 People use them to type, signal, solve all kinds of problems and even explore the moon． ④很多新的問(wèn)題出現(xiàn)了。 Many new problems have arisen． ⑤許多學(xué)生對(duì)電腦很著迷，他們?cè)陔娔X上花費(fèi)了太多的時(shí)間。 Many students become very crazy about computers and they spend too much time on them. ⑥部分學(xué)生在考試中失敗。 Some of the

44、 students fail in exams． ⑦但不管怎么說(shuō)，電腦在我們的生活中起著很重要的作用。 Anyhow, computers play an important part in our life. 2．升級(jí)平淡句 (1)用with短語(yǔ)改寫(xiě)句① With the Internet developing rapidly, people can apply for jobs through the Internet. (2)用“so...that...”句型改寫(xiě)句⑤ Many students become so crazy about computers that t

45、hey spend too much time on them. 3．銜接成美文(注意利用適當(dāng)?shù)倪^(guò)渡銜接詞匯：however, as a result) With the Internet developing rapidly，people can apply for jobs through the Internet. In a way，computers have changed our life. People use them to type, signal, solve all kinds of problems and even explore the moon. However，many new problems have arisen. Many students become so crazy about computers that they spend too much time on them. As a result, some of the students fail in exams. Anyhow, computers play an important part in our life.