Unit5WorkingthelandDiscoverUsefulStructures導(dǎo)學(xué)案高中英語人教版選擇性

語法一、主語從句Ⅰ.主語的構(gòu)成1.Janeworkshard.(名詞)2.Youareastudent.(代詞)3.Theoldshouldberespected.(名詞化的動詞)4.Smokingisbadforyou.(動名詞)5.Tofindyourwaycanbeaproblem.(不定式)6.Thatweshallbelateiscertain.(句子)Ⅱ.主語從句的定義在主從復(fù)合句中，充當(dāng)主語的從句是主語從句。它是名詞性從句之一，使用陳述句語序。Ⅲ.考點梳理從屬連詞：that（無實意，但不可省略）、whether（可在句首，可接ornot、不定式）、if（不可用于句首）連接代詞:who、whoever、whom、whose、what、whatever、which、whichever.在句中不僅起連接詞的作用，并充當(dāng)句中的名詞性成分如主語、賓語、表語。連接副詞：when、where、how、why.引導(dǎo)名詞性從句時不僅起連接詞的作用，也在句中作狀語。It作形式主語（為保持句子平衡，常把主語從句后置，而用形式主語it代替，it作形式）It+系動詞+形容詞+主語從句形容詞：important,(un)likely,possible,necessary,natural,wrong等It+系動詞+名詞+主語從句名詞：fact,idea,honour,question,pity等It+系動詞+過去分詞+主語從句過去分詞：known,proved,said,decided,suggested,thought等It+不及物動詞+主語從句不及物動詞：appear,happen,seem,occur,matter等注意事項：(1)在“It+系動詞+形容詞+主語從句”句型中,如果形容詞為necessary，important,strange,natural等時,從句謂語動詞常用“(should)+動詞原形”。在“It+系動詞+過去分詞+主語從句”句型中,如果過去分詞為insist，(一堅持)；order，mand(二命令)；suggest,advise,remend(三建議)；request,require,demand,ask(四要求)時,從句謂語動詞使用“(should)+動詞原形”。有主語從句的句子中主句的主謂一致①Whetherthepatientwillbetakenunknown.（多數(shù)情況下用單數(shù)/復(fù)數(shù)）②Whenandwherethepatientwillbetaken_____unknown.（兩個連接詞引導(dǎo)一個主從用單數(shù)/復(fù)數(shù)）③Whenthetaskcanbefinishedandwhetherhecanhavearest________unknown.（主語為and連接的兩個主從時用單數(shù)/復(fù)數(shù)）④Whathewantsmost____stayingwithhisfamily.（what在主從中做賓語時單復(fù)數(shù)由主語/表語決定）Whattheyneed_______masks(口罩).基礎(chǔ)練習(xí)（用恰當(dāng)引導(dǎo)詞填空）1.Itislikely_____heisthewinnerofthisgame.很可能他是這場游戲的勝利者。2.______sheboughtsomanydictionariesisnotclear.=Itisnotclear_____sheboughtsomanydictionaries.不清楚她為什么買這么多字典。3.________hewasadmittedintoBeijingUniversitymadehisteachersandparentshappy.他考上了北大，這讓他的老師和父母很高興。4.It’sapity________youcan’tattendmybirthdayparty.很可惜你不能參加我的生日聚會。5._________wewillbuildanewhighschoolhasn’tbeendecided.我們是否要建新高中還沒決定呢。6.__________breaksthelawshouldbepunished.不管誰違法都應(yīng)該受到懲罰。7.Itisnecessary______theproblem(should)besolvedatonce.很有必要立刻解決這個問題。8.________hewasbornisunknown.他生于何時還不知道。9Itispossible_______hehasstolenthecar.很可能他偷了小車。10._______hasbrokentheglassisunknown.誰打破了玻璃現(xiàn)在還不知道。進(jìn)階練習(xí)1.hashelpedtosavethedrowninggirlisworthpraising.2.Itwashesaiddisappointedme.A.what;thatB.that;thatC.what;whatD.that;what3.we’llgocampingtomorrowdependsontheweather4.hesaidatthemeetingsurprisedeverybodypresent.A.WhatB.ThatC.ThefactD.Thematter5.wastoreturntoschool.A.ThatreallyinterestedhimB.WhatreallyinterestedhimC.WhichreallyinterestedhimD.Thatinteresthimreally6、hemadeanimportantspeechatthemeetingwastrue.A.ThatB.WhyC.WhatD.How7、we’llgocampingtomorrowdependsontheweather.AIfBWhetherCThatDWhere8.isknowntousallthatAmericaisadevelopedcountry.AWhichBasCWhatDIt9、WhatIsaynoneofyourbusiness.A.isB.areC.hasDhave10.It’sknowntousallaformofenergy.A.waterisB.thatwaterisC.iswaterD.thatwaterto寫作一、話題詞塊梳理SignpostsandPhrases1.Addingmoreinformation:(添加信息)...,butalso;...and...aswell;Inaddition,...;Moreover...2.Illustrating:（舉例說明）Forexample...;Forinstance...Statingaconclusion:（作出總結(jié)）Therefore,...;Hence...;Inconclusion,...Toconclude,...Allinall...Inaword...InsummaryContrasting:(對比；轉(zhuǎn)折)...,but...;...,however,...;nevertheless...；Yet...Sequencing:(順延)：...，inturn...;Emphasizing:(強調(diào))Infact,...；Inreality,...Introducinganewtopic/thing:Asfor...;Asanalternative,...Beinwidespreaduse被廣泛使用Longtermuse長期使用Beharmfulfor對...有害Damagesthbydoing通過做某事?lián)p害某物Switchto(轉(zhuǎn)換到)/turnto（求助于）Through/bynaturalmeans通過自然的方法Berichin富含某物Keepsbfromdoingsth阻止某人做某事Meettheneed(of)滿足（...的）需求Findasuitablesolution找到合適的解決方法Withoutadoubt,毫無疑問地Thereisnodoubtthat......事是毫無疑問的二、好句精選1.一些科學(xué)家們發(fā)現(xiàn)它們的長期使用有時會危害土地和人類的健康。Whatsomescientistshavefoundisthattheirlongtermusecansometimesharmboththelandandpeople’shealth.例如，農(nóng)藥不僅會殺死有害的細(xì)菌和蟲子，也會殺死那些有益的并以此損害土壤。Forinstance,pesticidescandamagethelandbykillingnotonlyharmfulbacteriaandinsects,butalsohelpfulones.3.事實上，一些像DDT這樣的農(nóng)藥已經(jīng)被多數(shù)國家禁止了。Infact,somepesticideslikeDDThavebeenprohibitedinmostcountries.4.有機農(nóng)業(yè)遠(yuǎn)遠(yuǎn)不能滿足那種需求。Organicfarmingisnowherenearabletomeetthatneed.5.化學(xué)農(nóng)業(yè)是一種對抗農(nóng)作物疾病和增加產(chǎn)量的好方法。Chemicalfarmingisagoodwaytofightcropdiseaseandincreaseproduction.6.最近我們班就有機農(nóng)業(yè)是否對我們有益展開了一場辯論,不同的學(xué)生有不同的看法。Recentlyourclasshashadadebateaboutwhetherorganicfarmingisgoodforus.Differentstudentsholddifferentopinions.7.最后但同樣重要的是，越來越多的人要求為他們的家庭選擇最自然、最營養(yǎng)的食物。Lastbutnotleast,moreandmorepeoplearedemandingthemostnaturalandnutritiouschoicefortheirfamily.8.俗話說，凡事都有兩面性。一切事物都有優(yōu)缺點。Astheoldsayinggoes,everythinghastwosides.Thereareprosandconstoeverything. 9.在我看來，沒什么比健康更重要。也就是說，我們應(yīng)該...AsfarasIamconcerned,nothingismoreimportantthanhealth.Thatistosay,weshould...三、根據(jù)給出的信息作文假定你是李華。最近你們班上舉行了一場關(guān)于有機農(nóng)業(yè)和化學(xué)農(nóng)業(yè)的激烈辯論，請表達(dá)你的意見并寫一篇簡單的議論文論證你觀點的正確性，內(nèi)容包括:說明你支持有機農(nóng)業(yè)還是化學(xué)農(nóng)業(yè)給出至少三點論據(jù)證明你的觀點注意:1.寫作詞數(shù)應(yīng)為80左右;2.可以適當(dāng)增加細(xì)節(jié),以使行文連貫。Chemical

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