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高二英語Unit12 Fact and fantasy知識(shí)點(diǎn)總復(fù)習(xí)教案
Section I 課前準(zhǔn)備、聽力、口語 1. Try the quiz below to see if you know any better. 試一試下面的知識(shí)檢測(cè),看看你是否了解的更多。(P.9 Question 2) if: (1) if conj. “是否”,在此語境中可用whether 代替。He asked whether / if we wanted a drink. 他問我們是否要喝點(diǎn)飲料。 注意:whether與if (作“是否”解時(shí))都可以連接賓語從句。 (2) if不能替換whether的5種情況:a. 正式文體中,句中有or not時(shí)I wonder whether it is big enough or not. 我想知道它是否足夠大。注意:在口語中“if...or not”可接受,但連寫的“if or not”是錯(cuò)誤的。b. 引導(dǎo)主語、表語、同位語從句時(shí):Whether it is true (or not) remains a question. 它是不是真的還是一個(gè)問題。c. 作介詞賓語時(shí)I havent settled the question of whether Ill go back home. 我還沒決定是否要回家。d. 在不定式前,與不定式組成詞組She hasnt decided whether to go or not. 她還沒有決定去還是不去。e. 作discuss等詞的賓語We discussed whether we should close the shop. 我們討論是否該關(guān)閉那家商店。 (3) if還有“假如”之意,引導(dǎo)條件狀語從句,而此時(shí)的條件狀語從句,又具體分為兩種情況:表示真實(shí)條件和表示假設(shè)條件,詳解如下: a. 表示真實(shí)條件。“如果” If he told you that, he was lying. 如果他是那樣對(duì)你說的,他就是在撒謊。If it rains tomorrow, we will stay at home. 如果明天下雨,我們就不出去。 注意:if條件句要求用一般時(shí)表示將來,不用will表示將來,只有在表示“愿意”或“不愿意”時(shí),if后才可以跟will或wont。If you wont come, Ill go alone. 如果你不愿意來,我就一個(gè)人去。 b. 表示假設(shè)條件,“假如”,用虛擬語氣與現(xiàn)在事實(shí)相反 If I were you, I would help her. 我要是你的話,我就會(huì)幫助她。 與過去事實(shí)相反 If I had not missed the train, I would have got home by now.假如我沒誤了火車,現(xiàn)在早該到家了。與將來事實(shí)相反 If any one should call, please let me know. 萬一有人打電話來,請(qǐng)告訴我一聲。 拓展:as if (=as though) 好像(引導(dǎo)方式狀語從句或表語從句); even if (=even though) 即使 (引導(dǎo)讓步狀語從句); if only (引導(dǎo)感嘆句,要用虛擬語氣)但愿,要……就好了; (引導(dǎo)狀語從句,要用虛擬語氣) 要是,若是; only if (引導(dǎo)狀語從句,用陳述語氣)只有 2. What is the highest mountain on earth and how high is it? 世界上最高的山是什么山? 有多高? (P.9 Question 2 No. 1) Which is the longest river on earth and how long is it? 世界上最長的河是那條? 有多長? (P. 9Question2 No. 3) 1) What (1) pron. (疑問代詞) 什么 What happened next? 后來怎么樣了呢? What do you want? 你要什么? (2) pron. (連接代詞,引導(dǎo)名詞性從句等) 所……的事(或人) What was once regarded as impossible has now become a reality. 過去認(rèn)為不可能的事現(xiàn)在已成為現(xiàn)實(shí)。The city is not what it used to be. 這個(gè)城市不再是先前的模樣了。 2) 辨析:what與which (1) which既可引導(dǎo)定語從句,又可連接名詞性從句;而what不可引導(dǎo)定語從句。 (2) which,what同為名詞性從句的連接代詞時(shí),都可在所連接的名詞性從句中充當(dāng)主語或賓語,其區(qū)別在意思上。what強(qiáng)調(diào)“內(nèi)容”,而which強(qiáng)調(diào)從已知的、確定的范圍中做出選擇。This river, which flows through London, is called the Thames. (which引導(dǎo)非限制性定語從句)這條流經(jīng)倫敦的河,叫泰晤士河。What book are you going to read? 你要讀什么書? Which book are you going to read, this one or that one? 你要讀哪一本書,這本還是那本? 注意:以下句子中常用what。(1) What season do you like best? 你最喜歡什么季節(jié)? (2) What day is today? 今天是星期幾? (3) Whats the date today? 今天是幾號(hào)? 聯(lián)想:somewhat adv. 稍微,有點(diǎn)whatever pron. 無論什么;凡是……的東西 拓展:What about…? (用于征求意見時(shí))……怎么樣(=How about); what if倘使……將會(huì)怎么樣;即使……又有什么要緊;盡管……又有什么關(guān)系; what for為何目的;為什么what is more而且 3. Why does Sam need to know the time. 為什么Sam需要知道時(shí)間?(P. 10 Listen- ing Ex. 2 No.1) need: (1) n. [U] 缺乏,缺少,需要 There is no need for you to be anxious. 你沒必要焦慮的。 (2) n. [C]必需品£10 a month will meet my needs. 一個(gè)月10英鎊可滿足我的需要。 (3) v. 需要 This job needs a lot of care, attention and time. 這工作需要花費(fèi)很多心思和時(shí)間。She likes to feel needed. 她喜歡感覺有人需要她。 (4) v. aux. (無時(shí)態(tài)和人稱變化;多用于疑問句和否定句;后接沒有to的不定式;need not縮寫為neednt)需要,必須 -- Need l go? 我必須去嗎? -- Yes, you must. (No, you neednt.)是的,你必須去(不,你不必去)。He need not have come last night. 他昨晚本來沒必要來的。(但實(shí)際來了) 注意:need not have done表示某一個(gè)已經(jīng)發(fā)生的動(dòng)作實(shí)際上不必發(fā)生,常譯為“不必……也行”等。 比較:He didnt need to come last night. 他昨晚不必來。(實(shí)際上也沒有來) 辨析:need, require與want: (1) 三者后接名詞、代詞或數(shù)詞,意思為“要”或“需要”。三者后接被動(dòng)的不定式或主動(dòng)的動(dòng)名詞,意思為“需要”或“應(yīng)該”。(2) need (需要) 和want (想要) 可以接主動(dòng)的不定式作賓語,而require不可以。(3) require和want可以接復(fù)合賓語,而need不可以。(4) require可以接賓語從句,而且從句中的謂語動(dòng)詞必須用(should+) 動(dòng)詞原形”;need和want不可以。(5) need可以作情態(tài)動(dòng)詞,而require和want不可以。例如:The work needs / requires / wants patience. 這工作需要耐心。The house needs / requires / wants to be cleaned / cleaning. 這房子需要清掃。He needs / wants to see you. 他要見你。I require / want you to be here this evening. 我請(qǐng)你今晚到這兒來。They require that I (should) appear. 他們要求我出場(chǎng)。You need not write down your translation. 你們不必寫下譯文。 聯(lián)想:(派) needful adj. 需要的,必須的needless adj. 無需的,不必要的needlessly adv. 不需地,無謂地 needy adj. 貧窮的,貧困的 拓展:at need緊急時(shí); be / stand in need of 需要; if need be / were 如果必要的話; more than needs 超過需要; There is no need for sb. to do sth. 某人做某事是不必要的。 4. … and talk about what you believe may come true in the future. 談一談你認(rèn)為將來可能實(shí)現(xiàn)的事?(P.10 Speaking 第四行) (1) link. -v. 成為,變成 His dream came true. 他的夢(mèng)想實(shí)現(xiàn)了。 (2) come + to do (不定式中的動(dòng)詞多為表示心理活動(dòng)的動(dòng)詞,如:understand,realize) 終于……;開始…… I hope well be friends and come to understand each other.我希望我們成為朋友并逐漸相互理解。He came to realize that he was wrong. 他開始認(rèn)識(shí)到自己錯(cuò)了。 辨析:get,go,turn與come get強(qiáng)調(diào)造成事件的施動(dòng)者發(fā)揮的作用或變化的結(jié)果。go常常表示不顧施動(dòng)者的愿望而發(fā)生的變化,多用于表示惡化的情況。turn經(jīng)常表示從某種狀態(tài)向其對(duì)立狀態(tài)轉(zhuǎn)化的自然現(xiàn)象。come大都表示向好的方面轉(zhuǎn)化。They got married 10 years ago. 他們10年前結(jié)的婚。Please dont get angry. 請(qǐng)別生氣。The eggs went bad. 雞蛋壞了。The telephone has gone dead. 電話斷了。The weather has turned much colder. 天氣變得冷多了。Everything will come right in the end. 最終一切事情總會(huì)變好的。 5. Doctors may find a way to keep us young forever. 醫(yī)生可能會(huì)找到一種讓我們青春永駐的辦法。(P.10 Speaking “Young forever” 第二個(gè)A) 部分名詞后接不定式或介詞 + 動(dòng)名詞 1) 在chance,way,opportunity,time等名詞后,既可用不定式,又可用“介詞 + 動(dòng)名詞”作定語。如:Id like to have a chance to see / of seeing your teacher. 我想找個(gè)機(jī)會(huì)見一個(gè)你們的老師。Im glad to have the opportunity to talk / of talking to you. 我很高興能有這個(gè)機(jī)會(huì)跟你談話。 2) 在ability,resolution,tendency等名詞后,通常用不定式作后置定語。如:Does he have the ability to do the work? 他有做這項(xiàng)工作的能力嗎? He has made a resolution to go abroad. 他決心出國。She has a tendency to become fat. 她有發(fā)胖的趨勢(shì)。 3)當(dāng)被修飾的普通名詞前有序數(shù)詞修飾時(shí),該名詞的后置定語也須用不定式而不是“介詞 + 動(dòng)名詞”。Antonio Gaudi is the first one to understand that.安東尼奧是第一個(gè)理解那件事的人。He is always the first one to come and the last one to leave. 他總是第一個(gè)來,最后一個(gè)離開。 4)而在habit,idea,intention,method,objection等名詞后,通常只跟“介詞+動(dòng)名詞”作定語。I have the habit of taking a nap after lunch. 我有午飯后睡午覺的習(xí)慣。She dismissed the idea of becoming an artist. 她打消了當(dāng)藝術(shù)家的念頭。He had no intention of keeping his word. 他不想遵守諾言。We like his methods of teaching English. 我們喜歡他教英語的方法。He had an objection to (prep.) doing it. 他反對(duì)做此事。 Section II 閱讀 6. By taking the scientific developments of his day one step further,… 通過將他所處時(shí)代的科學(xué)發(fā)展向前推進(jìn)一步… (P.11 第一段倒數(shù)第4-3行) by prep. 表手段、方式或原因 (1) 以……,借助于……,用…… I go to school by bus, but my father goes to office by car. 我乘公共汽車上學(xué),但我爸爸開車上班。I sent the letter by e-mail. 我將那封信以電子郵件寄出。 (2) 借、靠、因…(置于動(dòng)名詞前,表方法、手段、原因)【高二英語Unit12 Fact and fantasy知識(shí)點(diǎn)總復(fù)習(xí)教案】相關(guān)文章:
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