2018屆高考人教版英語一輪復(fù)習(xí)課件必修二unit 3PPT演示課件

必修二Unit 3Computers,1. 課前自測2. 課堂學(xué)案,課前自測,Key:1. solve; solution2. finance; financial3. intelligence; intelligent4. appearance; appear; disappear5. total; totally6. application; apply; applicant7. reality; real; realize8. explore; explorer; exploration9. operator; operate; operation10. personal; personally; personality11. simplify; simplification; simple; simply12. electronic; electric; electrical; electricity,1. _ (vt. 解決；解答) _ (n. 解決辦法；答案)2. _ (n. 金融；財(cái)經(jīng)) _ (adj. 財(cái)政的；金融的；資金的)3. _ (n. 智力；聰明；智能) _ (adj. 智能的；聰明的) 4. _ (n. 外觀；外貌；出現(xiàn)) _ (vi. 出現(xiàn)) _ (vi. 消失；失蹤)5. _ (adj. 總的；整個(gè)的 n. 總數(shù)；合計(jì) vt.共計(jì)；總計(jì)) _ (adv. 完全地；整個(gè)地)6. _ (n. 應(yīng)用；用途；申請) _ (v. 應(yīng)用；涉及；申請) _ (n. 申請人；求職者)7. _ (n. 現(xiàn)實(shí)) _ (adj. & adv. 真實(shí)的；現(xiàn)實(shí)的；非常；真正地) _ (vt. 實(shí)現(xiàn)；了解；認(rèn)識到)8. _ (vt.& vi. 探索；探測；探究) _ (n. 探險(xiǎn)家；勘探者) _ (n. 探索；探究；鉆研)9. _ (n. 操作員；接線員) _ (vt. & vi. 操作；經(jīng)營；動(dòng)手術(shù)) _ (n. 操作；經(jīng)營；手術(shù))10. _ (adj. 私人的；個(gè)人的；親自的) _ (adv. 就個(gè)人而言；親自) _ (n. 個(gè)性；人格)11. _ (vt. 簡化) _ (n. 簡化) _ (adj. 簡單的；完全的；僅僅) _ (adv. 簡單地；僅僅；完全；樸素地)12. _ (adj. 電子的) _ (adj. 電的；發(fā)電的) _ (adj. 有關(guān)電的；電氣科學(xué)的) _ (n. 電力；電流),Key:1. 在某種程度上2. 出現(xiàn)新情況3. of4. with5. 徹底改變了形狀6. to; in7. over8. 隨著時(shí)間的流逝9. solve10. take the place,Key:1. before2. As time went by3. so much4. of high quality,Key: 1. simplify2. to solve3. as4. reality/really5. going6. With7. quicker 8. the9. which10. been put,The computer began as a calculating machine in France in 1642. It could _1_(simple) difficult sums. In 1936 Alan Turing wrote a book about how the computer could be made to work as a “universal machine” _2_(solve) any difficult mathematical problem. At the beginning, the computer was _3_ large as a room. This _4_ (real) worried the designers. With time _5_(go) by, it became smaller and smaller. _6_ artificial intelligence, it is getting much cleverer and _7_ (quick)In _8_ early 1960s, computers could be connected by a network, _9_ enabled their users to share information with others. Since the 1970s, computers have had many new applications and become very important in communication, finance, trade and even _10_ (put) into space rockets and sent to explore the Moon and Mars.,課堂學(xué)案,【詞塊助記】,1. solve vt. 解決；解答,solve a problem 解決/處理問題solve a puzzle/riddle 解答難題/解謎solution to sth./to do sth. (做)某事的解決方法,1. (安徽卷)If you see a problem that you care about, you can help solve it. 如果你看到一個(gè)你在意的問題，你可能會(huì)去幫忙處理它。2. (山東卷)However, one thing has to be got right for any solution to succeed. 然而，必須找準(zhǔn)成功的任何方法。,1. (陜西卷改編)Now there is talk about how _(solve) these problems, like raising hotel taxes, or even changing admission to some public squares.2. (湖北卷改編)It was the perfect _(solve): a rent-free place to reorganize our lives.Key：1. to solve2. solution,2. total adj. 總的；整個(gè)的n. 總數(shù)v. 合計(jì)；總數(shù)達(dá),1. (全國卷) When we choose a large spoon over a smaller one, total intake jumps by 14 percent. 當(dāng)我們選擇吃一大匙而非較小的一匙時(shí)，(營養(yǎng))總攝入量暴增14%。2. The cost of the various repairs amounts to over 100 pounds in total. 各類修理的費(fèi)用總計(jì)超過了100英鎊。3. Your bill for tonights dinner totals (up) to 288 yuan. 您今晚用餐的賬單總額為288元。4. All this is totally unnecessary. 所有這些完全沒必要。,a total of 總共；的總數(shù)(謂語由其后名詞的數(shù)決定)in total 總計(jì)；總共total upadd upamount 算出總數(shù)total (up) to add up toamount to 共計(jì)達(dá)；總額為,【構(gòu)詞】totally adv. 完全地,【詞塊助記】,1. (廣東卷改編) Ebbesmeyer found out in his researches that the shoesabout 60,000 _ total fell into the ocean in a shipping accident.2. There are certainly some original thoughts here but they are _ (total) wrong.Key：1. in2. totally,【詞塊助記】,3. signal vi. & vt. 發(fā)信號； 發(fā)暗號； 示意 n. 信號；暗號,1. ( 湖北卷)In order not to be heard, she pointed her finger upwards to signal that someone was moving about upstairs. 為了不被聽到，她手指向上以示意有人正在上樓。2. (湖南卷)At Pullmans signal each man turned his jackscrew the same amount at the same time, thereby raising the building slowly and evenly. 隨著普爾曼的信號，每個(gè)人同時(shí)將螺旋千斤頂調(diào)到相同的量，這樣就慢而平穩(wěn)地將樓房抬升起來。3. In our class，when the bell rang and the teacher closed his book，it was a signal for everyone to stand up. 在我們班上，當(dāng)鈴聲響起，老師合上他的書時(shí)，那是每個(gè)人要起立的信號。,a danger/warning signal 危險(xiǎn)/警告信號traffic signals 交通信號燈signal (sb. )that 示意(某人)signal (to) sb. to do sth. 示意某人做某事,【辨析】symbol，signal，sign，marksymbol指符號、象征、標(biāo)志等， 常表示某種有深邃寓意的事物；signal指為某一目的而有意識地發(fā)出的信號；sign表示“記號，符號”時(shí)，同symbol，表示“告示， 標(biāo)志”時(shí)，側(cè)重指用圖形、文字等所表達(dá)的內(nèi)容，另外還可指“征兆， 跡象”；mark為普通用詞，含義廣泛，既可指為便于辨認(rèn)而有意識地做的標(biāo)記，又可指自然形成的標(biāo)志或有別于其他事物的特征，也可用于指“分?jǐn)?shù)， 成績”。,1. Jealousy is just a _ that shows how much you really like, care, or love someone.2. A red flag is often used as a danger _.3. I frequently use sunflowers as _ of strength.4. The dogs are always rubbing against the wall and making dirty _Key：1. sign2. signal3. symbols4. marks,4. arise vi. 出現(xiàn)；發(fā)生；起身,1. (山東卷)A number of high buildings have arisen where there was nothing a year ago but ruins. 很多高樓在一年前還是廢墟的地方出現(xiàn)了。2. (山東卷)While scientists are finding ways to make them smaller but even more powerful，problems can arise when these batteries are much larger and heavier than the devices themselves. 雖然科學(xué)家們正想辦法讓設(shè)備變得更小且功能更強(qiáng)大，但是當(dāng)電池比設(shè)備本身還要大還要重時(shí)，可能會(huì)出現(xiàn)問題。3. Seeing his mother return home，the boy arose from his chair immediately. 看到媽媽回家來了，小男孩立刻從椅子上站起來。4. It cant be too careful while driving，accidents often arise from carelessness. 開車時(shí)越小心越好，事故往往是由疏忽大意引起的。,(1)arise作“呈現(xiàn)；出現(xiàn)；發(fā)生”之意時(shí)， 主語多為抽象名詞argument/problem/quarrel/question/movement等，多指不好的事情發(fā)生。(2)arise from/out of 意為“由而引起；由而產(chǎn)生；從中產(chǎn)生”。,【詞塊助記】,【辨析】arise，rise，raise，arouse,One of the problems _ (arise) from the present economic situation is that the price now _ (rise) sharply, of course, partly because many an illegal businessman _ (raise) it on purpose. This problem _ (arouse) some objections recently.Key：arising; is rising; raises; has aroused,5. in a way 在某種程度上,1. In a way, students are being forced to learn English for the only purpose of passing a variety of exams. 在某種程度上，學(xué)生們正被迫練習(xí)英語，其唯一的目的是通過各種各樣的考試。2. He decided that he would drive all the way home instead of putting up at a hotel for the night. 他決定一路開車回家而不在旅館里過夜。3. In no way should you lose heart when you are faced with difficulties. 面對困難時(shí)， 你決不應(yīng)該失去信心。,【頭腦風(fēng)暴】,by way of 經(jīng)由；途經(jīng)all the way 一直；一路上in this way 以這種方法in no way 決不；無論如何都不(放在句首時(shí)，句子用部分倒裝語序)on ones way to 在某人去的途中；即將成為give way (to) 讓步；屈服no way 口語不；絕不；一點(diǎn)也不,6. watch over 看守；監(jiān)視；守護(hù)；照管,1. An uncle who lives close can watch over them. 住在附近的一位叔叔可以照管他們。2. (北京卷)Watch for misleading language. Some studies will find that a behaviour “contributes to” or is “associated with” an outcome. 注意誤導(dǎo)性語言。一些研究發(fā)現(xiàn)一種行為會(huì)“導(dǎo)致”一種結(jié)果或與一種結(jié)果“相關(guān)”。3. You have to watch out because there are land mines all over the place. 你必須要小心，因?yàn)檫@里到處都是地雷。4. In particular, smartphones and the applications that run on them generally keep a close watch on what users do. 特別的是，智能手機(jī)和運(yùn)行于手機(jī)中的應(yīng)用程序通常都密切監(jiān)視著用戶的所作所為。,watch out (for) 當(dāng)心； 注意watch for 留意，當(dāng)心；等待keep a watch on 監(jiān)視under the close watch 在嚴(yán)密的監(jiān)視下be on the watch for 小心提防； 警戒,【頭腦風(fēng)暴】,7. deal with 處理；安排；對付,1. (北京卷)But those who frequently deal with many things at the same time were found to perform the worst at the actual multitasking test. 但那些經(jīng)常同時(shí)處理多件事情的人在真正的多任務(wù)測試中表現(xiàn)最差。2. (安徽卷)To them, dealing with an actual human is like an evolutionary step backward. 對他們來說，與現(xiàn)實(shí)中的人打交道就像是進(jìn)化的倒退。3. I dont know how to deal with the man dealing in second-cars. Can you tell me what to do with my old car? 我不知道如何與那個(gè)買賣二手車的人打交道。你能告訴我如何處理我的那輛舊車？,deal with中的deal為不及物動(dòng)詞，常與疑問副詞how連用，表示“怎么處理/對待”；do with中的do為及物動(dòng)詞，表示“怎么處理/對待”時(shí)，常與疑問代詞what連用。,【頭腦風(fēng)暴】,【微解析】,8. As time went by, I was made smaller. 隨著時(shí)間的推移，我被做得更小了。,as在此句中用作連詞，意為“隨著”，引導(dǎo)時(shí)間狀語從句。介詞with也有此義，但with是介詞，后接名詞或代詞構(gòu)成with短語或with復(fù)合結(jié)構(gòu)。,【仿寫】1. _， we find more and more time entertaining. 隨著生活水平的提高，我們越來越有時(shí)間消遣。(improve)2. “The designs got stranger and more complicated _ time went on.” he said. 他說：“隨著時(shí)間的推移，設(shè)計(jì)變得越來越古怪和復(fù)雜?！薄締尉涓腻e(cuò)】3. As the development of the Internet, the net bar plays an important role in peoples life. Key：1. As our life improves/With our life improving2. as3. As 改為With,9. And my memory became so large that even I couldnt believe it! 我的存儲量變得如此之大，連我自己都不能相信！,sothat引導(dǎo)結(jié)果狀語從句，意為“如此以至于”。sothat句型的常見形式：soadj./adv.