高中英语新教材选修第1册同步课件-Unit-5-

WorkingtheLandUnit5

WorkingtheLandUnit5Scientificprogressdependsonthelaborandthevalueoftheirinventionsofscientists.科学的进步，取决于科学家的劳动和他们的发明的价值。单元主题语境人与自我ScientificprogressdependsonEstablishingahumancolonyontheMoonhasbeenthestuffofdreamssincethedawnofthespaceage.Buthowcanhumanssurviveformonthsoryearsintheultra-hostile(极端恶劣的)environmentofspace？What，forinstance，willtheyeat?AgriculturalresearchersataDutchuniversitysaytheyaretakingthefirststepstowardsprovidingananswer.话题导入EstablishingahumancolonyonTheyaregrowingvegetablesinsoilssimilartothosefoundontheMoon1，lookingforwaysofhelpingspacepioneersgrowtheirowncrops.“WhenpeoplegototheMoontheyalsohavetoeat，andit’seasiestforthemtogrowtheirownfood，”saidWiegerWamelink，surroundedbyseveraldozenplantsinaspecialgreenhouseatWageningen，anagriculturaluniversityincentralNetherlands.“Wewantedtousereallunarsoiltoseeifplantswouldactuallygrowinit，”Wamelinktoldreporters.TheyaregrowingvegetablesinOfcourse，gettingreallunarpottingsoilisanimpossibletask.ButanInternetsearchrevealedanunlikelysupplier:NASA，whichmakesgroundsimilartothatontheMoonfromsandfoundinanArizonadesert.“Toworkinthissoilwasveryspecial.Nobody，notevenNASA，couldtelluswhatwouldhappen2，evenjustbysimplyaddingwater，”hesaid.Theimitationgroundatfirstwasalittle“reluctant”(勉强的)toabsorbwater，butsoonturnedouttobegoodpottingsoil.“Theplantsweregrowingveryfastandverygood.Theyevenstartedtoflower，somethingthatweneveranticipated(预料，预见)，”Wamelinksaid.Ofcourse，gettingreallunarp1.Theuniversityisknownforitslanguageandculturecoursesintendedforinternationalstudents.(2018·北京，书面表达)2.Firstly，thisispreciselywhattheBritishvisitorsareexpecting.(2019·江苏，书面表达)靓句运用于写作1.Theuniversityisknownfor内容索引PeriodOneReadingandThinking—Comprehending语篇理解精读精练萃取文本精华读前清障识记单词快速顺畅阅读内容索引PeriodOne语篇理解精读精练萃取匹配左边的单词与右边的汉语意思[第一组]1.devote

A.使增长；使兴旺2.shortage B.把……献(给)；专心于3.crisis C.使相信；使确信；说服4.boost D.危机；危急关头5.convince E.不足；缺少；短缺读前清障识记单词快速顺畅阅读匹配左边的单词与右边的汉语意思读前清障识记单词快速[第二组]6.attain A.传统的；习惯的7.conventional B.消费；消耗；消耗量8.assumption C.(通常经过努力)获得；得到9.expand D.假定；设定；(责任的)承担10.consumption E.扩大；增加；发展[第二组][第三组]11.generate A.展望；想象12.celebrity B.现实；事实；实际情况13.envision C.产生；引起14.reality D.扩大；扩建部分；电话分机15.extension E.名人；名流；名望；名誉返回[第三组]返回Step1

Fast-reading1.What’sthemainideaofthepassage?A.Waystoincreasethericeoutput.B.YuanLongping’sdreams.C.YuanLongping’ssuperhybridrice.D.YuanLongping—anagriculturalpioneer.语篇理解精读精练萃取文本精华√Step1Fast-reading语篇理解精读精练2.Matcheachparagraphwithitsmainidea.Para.1

A.Yuanconductedresearchanddevelopedhybridrice.Para.2

B.Yuanisoldbutstillfullofdreamsthatheisturningintoreality.Para.3

C.Yuanconsidershimselfafarmer.Para.4

D.Yuandecidedtostudyagriculture.Para.5

E.Yuan’sinnovationhashelpedtofeedmorepeople.Para.6

F.Yuancareslittleforcelebrityormoney.2.MatcheachparagraphwithitStep2

Careful-readingChoosethebestanswer.1.Fromthefirstparagraph，weknowthatYuanLongping

.A.isafarmerB.lookslikeafarmerC.hasaweakbodyD.isChina’smostfamousscientist√Step2Careful-reading√2.WhydidYuanLongpingchoosetostudyagriculture?A.Becausehisparentswantedhimtodoso.B.Becausehewantedtowinawardsinthisfield.C.Becausefarmerssometimessufferedfromseriousshortageoffoodatthattime.D.Becausehewantedtomakemoremoneybysellingseeds.√2.WhydidYuanLongpingchoose3.HowlongdidittakeYuanLongpingtodevelophissuperhybridrice?A.12years. B.14years.C.21years. D.30years.√3.HowlongdidittakeYuanLo4.Whichofthefollowingcanweknowfromthepassage?A.YuanLongpingislivingalifeofleisure.B.Mostexpertsonagricultureagreedonthepossibilityofdevelopingakindofhybridrice.C.“Seawaterrice”isakindofricethathasalowoutput.D.YuanLongpingisnotinterestedinbecomingfamousorwealthy.√4.WhichofthefollowingcanwStep3

Post-readingAfterreadingthepassage，pleasefillinthefollowingblanks.YuanLongping，who1.

(know)asthe“fatherofhybridrice”，considershimselfafarmer.Whenhewasyoung,2.

concernedhimmostwasfarmers’3.

(short)offoodtoeat，sohechosetostudyagricultureatcollege.Aftergraduatingin1953，heworkedasaresearcheranddevotedhimselfto4.

(create)akindofhybridrice，whichcouldattaina5.

(high)yield.In1974，hesucceededinmakingit6.

reality.Today,60%ofdomesticconsumptioninChinaiscomprisedofcrops7.

(generate)fromhishybridstrains，isknownwhatshortagecreatinghighergeneratedaStep3Post-readingisknownwhaforwhichhehasreceivednumerousawardsbothinChinaandabroad.Butthehumorousold“farmer”，caringlittle8.

celebrityormoney，isstilllivingasimplelife.Despitehis9.

(advance)years，heistrying10.__

______(fulfill)hisdreamsofridingtheworldofhunger.foradvancedtofulfillforwhichhehasreceivednumeStep4

Sentence-learning1.However，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.[句式分析]本句中名词性从句分别作主语和表语。whatconcernedhimmost为句子的

，表语从句为

引导的那一部分。toeat是动词不定式表目的。

[自主翻译]

_______________________________________________________主语that

然而，他最担忧的是农民们的收成不好，有时甚至口粮严重短缺。Step4Sentence-learning主语that2.Aftergraduatingin1953，heworkedasaresearcher.[句式分析]本句中Aftergraduatingin1953可以改写为Afterhe_________

in1953；从句的谓语动词graduate与主语之间为

关系。[自主翻译]

________________________________________graduated1953年大学毕业以后，他成了一名科研人员。主动2.Aftergraduatingin1953，he3.Today，itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，andhisstrainshaveallowedChina’sfarmerstoproducearound200milliontonsofriceperyear.[句式分析]本句为it作

的复合句。真正的主语是

引导的从句，而真正的主语太长，为了避免句子头重脚轻，所以用

it。

[自主翻译]

_______________________________________________________________________________________________________________形式主语that形式主语

据估计，现在中国国内消费的大米有大约60%来自袁隆平的杂交水稻，他的杂交水稻让中国农民每年能够生产大约两亿吨大米。3.Today，itisestimatedthata4.GiventhatYuan’shybridshavemadehimquitewealthy，onemightthinkhewouldretiretoalifeofleisure.[句式分析]本句中Giventhat...为连词，相当于considering，意为“______________”。[自主翻译]

________________________________________________________________________返回考虑到；鉴于

考虑到杂交水稻让袁隆平变得相当富有，人们可能认为他会退休享受闲适的生活。4.GiventhatYuan’shybridsha内容索引PeriodTwoReadingandThinking&LearningAboutLanguage—LanguagePoints互动探究探究重点互动撞击思维基础自测自主学习落实基础知识达标检测当堂检测基础达标演练内容索引PeriodTwo互动探究探究重点互动重点单词1.

n.(pl.crises)危机；危急关头2.

vt.(通常经过努力)获得；得到3.

n.特征；特点；品质

adj.典型的；独特的4.

adj.传统的；习惯的5.

vt.克服；解决；战胜6.

vt.&vi.扩大；增加

vt.扩展；发展(业务)基础自测自主学习落实基础知识crisisattaincharacteristicconventionalovercomeexpand重点单词1. n.(pl.cr7.

vt.估计；估价；估算

n.估计；估算8.

vt.包括；包含；由……组成9.

n.名人；名流；名望；名誉10.

vt.展望；想象11.

n.不足；缺少；短缺

→

adj.短的①12.

vt.把……献(给)；把……专用于；专心于

→

adj.忠诚的；挚爱的；专心的

→

n.献身；奉献；忠诚estimatecomprisecelebrityenvisionshortageshortdevotedevoteddevotion7. v13.

n.假定；设定；(责任的)承担；(权利的)获得

→

v.假定；认为；承担②14.

n.消耗；消耗量；消费

→

v.消耗；消费15.

n.现实；实际情况；事实

→

adj.真的；真实的；现实的16.

vt.使相信；使确信；说服

→

adj.令人信服的assumptionassumeconsumptionconsumerealityrealconvinceconvincing13. 17.

vt.产生；引起

→

n.产生；一代人18.

n.扩建部分；扩大；电话分机

→

v.延伸；扩大；推广generategenerationextensionextend17. vt.产生；引掌握规律巧记单词①shortadj.短的＋age→shortagen.短缺；缺少；不足例：shrinkage收缩；缩小wreckage残骸；毁灭bandage绷带②assumev.假设；假定去掉e＋ption→assumptionn.假定；设定；(责任的)承担例：consumption消耗；消费；消耗量掌握规律巧记单词1.

把……用于；献身；致力；专心2.

包括；包含；由……组成(或构成)3.

在内心深处；本质上；实际上4.

被用于……5.

依靠6.

因为；由于7.

远非；绝不是8.

在意；喜欢9.

成功地做某事10.

凭空想出(不同寻常的计划、主意)devote...tobecomprisedofdeepdownbeusedfordependonbecauseoffarfromcareforsucceedindoingsth.dreamup核心短语1. 1.名词性从句作主语和表语However，_______________________was_________________________________andsometimesevenhadaseriousshortageoffoodtoeat.然而，他最担忧的是农民们的收成不好，有时甚至口粮严重短缺。2.现在分词作时间状语

in1953，heworkedasaresearcher.1953年大学毕业以后，他成了一名科研人员。经典句式whatconcernedhimmostthatfarmersoftenhadpoorharvestsAftergraduating1.名词性从句作主语和表语经典句式whatconcerne3.it作形式主语Today,

about60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，andhisstrainshaveallowedChina’sfarmerstoproducearound200milliontonsofriceperyear.据估计，现在中国国内消费的大米有大约60%来自袁隆平的杂交水稻，他的杂交水稻让中国农民每年能够生产大约两亿吨大米。返回itisestimatedthat3.it作形式主语返回itisestimatedthIndeed，hisslimbutstrongbodyisjustlikethoseofmillionsofChinesefarmerstowhomhehasdevotedhislife.事实上，他瘦削但结实的身躯看起来和他为之奉献了一生的千千万万的中国农民一样。1devotevt.把……献(给)；把……专用于；专心于(常与介词to连用)互动探究探究重点互动撞击思维重点词汇Indeed，hisslimbutstrongbod※devote...to把……奉献给；把……专注于devoteoneselfto致力于；献身于※devotedadj.深爱的；忠诚的bedevotedto专心于；致力于※devotionn.关爱；奉献※devote...to把……奉献给；把……专注于(1)Ifyouhaveajob，dodevoteyourselftoitandfinallyyouwillsucceed.如果你有份工作，务必投身于它，最终你将会成功。(2)Idon’tthinkweshoulddevoteanymoretimeto

(persuade)suchastubbornmantochangehismind.我认为我们不应该再花时间来说服这么顽固的一个人改变主意。(3)Heisso

tohisEnglishteachingthatIadmirehimforhis________(devote).他如此深爱他的英语教学，以至于我对他的奉献感到敬佩。persuadingdevoteddevotion(1)Ifyouhaveajob，dodevoteYuanwasconvincedthattheanswercouldbefoundinthecreationofhybridrice.袁隆平相信答案可以在杂交水稻的培养中找到。2convincevt.使信服；使确信；说服※convincesb.ofsth.使某人确信/明白某事convincesb.that...使某人相信……convincesb.todosth.说服某人做某事※convincingadj.令人信服的※convincedadj.确信的；坚信的beconvinced(that)/of...(某人)坚信……Yuanwasconvincedthatthean(1)WhatshesaidconvincedmethatIwasmistaken.她说的话让我相信我错了。(2)We’vebeentryingtoconvincehim

(give)uptheplan.我们一直在试图说服他放弃那个计划。(3)Hisspeechwasso

(convince)thateveryonepresentbelievedwhathesaid.他的演讲很令人信服，以至于在场的所有人都相信他所说的话。(4)I’mnotcompletely

(convince)heknewtheimportanceofpractice.我不完全相信他知道实践的重要性。togiveconvincingconvinced(1)WhatshesaidconvincedmeOnecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.杂交作物的特点之一就是比传统作物高产。3attainvt.(通常经过努力)获得；得到※attainone’saim达到某人的目的attaintheoppositeshore到达对岸※attainableadj.可到达的；可得到的Onecharacteristicofhybrids(1)Iamdeterminedtoattainmypurposeatanycost.我决心不惜任何代价达到目的。(2)Thesetrainsarecapableof

(attain)veryhighspeeds.这些火车能达到非常高的速度。(3)Ifthesolutionsareso

(attain)，whyhaven’twereachedthemyet？如果这些解决办法都那么可行，为什么我们还是没能实现呢？attainingattainable(1)IamdeterminedtoattainmThecommonassumptionthenwasthatitcouldnotbedone.当时大家都认为这件事情不可能做到。4assumptionn.假定，假设；(责任的)承担；(权利的)获得※ontheassumptionthat...假定……makeanassumption作出臆断※assumev.假定；设想；承担；假装assumesb./sth.(tobe)＋adj./n.假定/认为某人/某事(为)……Itisassumedthat...人们认为……assuming(that)...假设……Thecommonassumptionthenwas(1)Youmustadmitthatyourargumentisbasedonacompletelyfalseassumption.你必须承认你的论点建立在一个完全错误的假设上。(2)Peopletendto

basedonyourappearance.人们往往会对你以貌取人。(3)Theyassumedher

(be)thebestsingeroftheirtime.他们认为她是他们那个时代最好的歌唱家。(4)

thatwasadifficultproblemimpossibletoovercome.人们当时认为那是一个无法克服的难题。makeassumptionsaboutyoutobeItwasassumedthat(1)Youmustadmitthatyourar[一句多译](5)据我所知，很多人认为他是正确的。①AsfarasI’mconcerned，agreatmanypeople

hewasright.(assume)②AsfarasI’mconcerned，agreatmanypeople

hewasright.(assumption)assumedthatmadeanassumptionthat[一句多译]assumedthatmadeanassuThishybridenabledfarmerstoexpandtheiroutputgreatly.这种杂交水稻极大地提高了农民们的粮食产量。5expandvt.&vi.使变大；伸展※o...把……扩展/发展成……expandinto...发展成/扩大成……expandon/uponsth.细说(阐述)某事※expansionn.扩大；扩张；扩展Thishybridenabledfarmersto(1)Thenarrowpathinthevillageexpandedintoawideroad.村里的狭窄小路拓宽成了一条大道。(2)Afewyearslater，thewriter

hisshortnovel

alongone.几年以后，那位作家把他的短篇小说扩展成了长篇小说。(3)Hedidnotexpandgreatly

hisstatement.他未就他的声明多加解释。(4)Thebookisan

(expand)ofaseriesoflecturesgivenlastyear.这本书是去年举行的系列讲座的扩充。expandedintoon/uponexpansion(1)ThenarrowpathinthevillToday，itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，andhisstrainshaveallowedChina’sfarmerstoproducearound200milliontonsofriceperyear.据估计，现在中国国内消费的大米有大约60%来自袁隆平的杂交水稻，他的杂交水稻让中国农民每年能够生产大约两亿吨大米。6estimatevt.估计，估量，估价

n.估计；估算Today，itisestimatedthatabo※beestimatedthat...据估计……estimatesb./sth.tobe...估计……为……※byestimate按照估计belowestimate低于估计※beestimatedthat...据估计……(1)Expertsestimatethattheconsumptionofgaswillincreaseby10%nextyear.专家估计明年汽油的消耗将增加10%。(2)Thecostofbuildingthatrailway

(estimate)atover10billiondollars.那条铁路的建设费用估计要超过100亿美元。(3)

totalinvestmentinthecountrywillcontinuetoincreasethisyear.据估计国内投资总额今年将继续增加。(4)Thecostofdecoratingthestadiumisestimated

(be)3millionpounds.体育馆的装修花费估计要达到300万英镑。isestimatedItisestimatedthattobe(1)ExpertsestimatethatthecHislatestvisionfor“seawaterrice”hasalsobecomeareality，andpotentiallyopenedupnearlyonemillionsquarekilometresofsaltylandinChinaforriceproduction.最近他的“海水稻”的愿望已经变成现实，这就有可能把中国接近100万平方公里的盐碱地用于种植水稻。7realityn.现实；事实；实际情况inreality实际上；事实上realityoftheday当前的现实becomereality成为现实Hislatestvisionfor“seawate(1)Hisplansweretransformedintorealityovernight.他的计划突然变成现实。(2)Thechildthoughthewasbeinghelpful，but

realityhewasanuisance.那孩子认为他在帮忙，但实际上他是个令人讨厌的家伙。in(1)HisplansweretransformedHowever，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.然而，他最担忧的是农民们的收成不好，有时甚至口粮严重短缺。whatconcernedhimmost为句子的主语，that引导表语从句。※句中what引导主语从句，what可以引导名词性从句，且可以在从句中作主语、宾语、表语、定语、宾语补足语等成分。※that引导表语从句时，在句中不作任何成分，无实义，只起连接作用。经典句式However，whatconcernedhimmos(1)WhatIwanttoknowishowhesolvedtheshortageoffundsinhiscompany.我想知道的是他是如何解决了公司的资金短缺问题的。(2)Whatsurprisedmemostwasthatsuchalittleboyofsevencouldplaytheviolinsowell.让我非常吃惊的是一个七岁的孩子能把小提琴拉得这么好。(3)

isalsohappeningtome.正在他身上发生的事情也正发生在我身上。(4)Whatmadethemotherangrywas

.让这位妈妈生气的是她的儿子拒绝服用任何药物。Whatishappeningtohimthathersonrefusedtotakeanymedicine(1)WhatIwanttoknowishow(5)Thisis

.这就是我所感兴趣的。(6)Idon’tthink

isrelevanttothetopicwearediscussing.我认为他所说的与我们正在讨论的话题无关。返回whatI’minterestedinwhathehassaid(5)ThisisⅠ.单句语法填空1.Ifoundhisspeech

(convince)andadmiredhimforhiseloquence(能言善辩).2.Mycalculationswerebasedonthe

(assume)thathousepriceswouldremainsteady.3.

(devote)tohisscientificwork，hehasnotimetocareforhisfamilyaffairs，whichhiswifealwayscomplainsabout.4.Hebecamethatcountry’srulerbothinnameand

reality.5.Morewomenare

(attain)positionsofpowerinpubliclife.达标检测当堂检测基础达标演练convincingassumptionDevotedinattainingⅠ.单句语法填空达标检测当堂检测基础达标演练con6.

startsasfunusageofappsturnsintotremendous(巨大的)pressureinrealsocialmediainteraction.7.Atleast500peoplewerekilled，andthat’s

conservative(保守的)estimate.8.Theymanagedtotakeinmorestudentswithout

(expand)thesizeoftheschools.Whataexpanding6.startsasfunuⅡ.完成句子9.

itwillbemoreconvenientforpeopletodosomeshoppingonlineinthefuture.我相信在未来人们网上购物会变得更加方便。10.Hiscompany

aftertenyearsofhardwork.经过十年的艰苦努力，他的公司已经扩展成了一个大公司。11.

willhavealastingeffectonmyfuturecareer.你所说的话会对我未来的事业产生持续的影响。I’mconvincedthathasexpandedintoabigoneWhatyouhavesaidⅡ.完成句子I’mconvincedthathasex12.

youwillexpandyourbusinesstoforeigncountries.希望你们能将生意扩展到海外。13.Expertsgenerally

stressiscausedbytoomuchwork.专家们普遍认为压力是由工作过多所致。返回Itishopedthatassumethat12.PeriodThreeGrammar—Subjectclauses达标检测当堂检测基础达标演练语法导学感悟规律重点难点剖析内容索引PeriodThree达标检测当堂检测基础达标感知以下课文原句，完成方框下的小题1.However，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.Howthiscouldbedonewasachallengingquestionatthetime.3.However，whetheritwaspossibletodevelopahybridofself-bollinatingplantssuchasricewasamatterofgreatdebate.语法感知语法导学感悟规律重点难点剖析感知以下课文原句，完成方框下的小题1.However，wha4.Today，itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，...5.WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfillhisdreams.1.以上加颜色部分在句中作

。2.1句和5句中的what在从句中作

。3.3句中的whether意为“

”。4.4句中的it是

，真正的主语是后面的

。5.2句中的how在从句中作

。主语主语是否that引导的从句状语形式主语4.Today，itisestimatedthata一、主语从句的定义如果一个从句在句子中担当主语，那么这个从句就是主语从句。主语从句通常放在主句的谓语动词之前，有时也由形式主语it代替，而本身放在句子末尾。语法精析一、主语从句的定义语法精析ThatyouarecomingtoLondonisthebestnewsIhaveheardthislongtime.你将要来伦敦是这么长时间以来我听到的最好的消息。Whethertheywouldsupportuswasstillaproblem.他们是否会支持我们还是一个问题。Whatimpressedmemostwasthattheyhaveallsufferedalot.让我印象最深刻的是他们都受过很多苦。Isittruethatheisthegirl’sfather?他是那个女孩的父亲，是真的吗？ThatyouarecomingtoLondon二、主语从句的引导词类别例词说明从属连词that，whether两者在从句中均不作成分，只起连接作用；that无实义，whether表示“是否”。连接代词who，what，which，whoever，whatever等在从句中作主语、宾语、表语、定语等成分。连接副词when，where，how，why等在从句中作时间、地点、方式、原因状语等成分。二、主语从句的引导词类别例词说明从属连词that，whethWhatweneedismorewater.(连接代词what在从句中作need的宾语)我们需要的是更多的水。Whetherwecanarrivethereontimedependsonthetraffic.我们是否能按时到达那里由交通情况而定。Whenthedelayedflightwilltakeoffdependsmuchontheweather.延迟的航班什么时候起飞主要取决于天气状况。Whythemanhadn’treportedtheaccidentsoonerwasneverclear.谁都不清楚那个人为什么没更早一点报告那起事故。Whotheletterwasfromisstillunknown.这封信是谁寄的尚不清楚。Whatweneedismorewater.(连接三、it作形式主语当句子主语过长时，为保持句子平衡，避免头重脚轻，常把主语从句后置，而用形式主语it代替。it作形式主语时常用于以下句型：三、it作形式主语句型说明It＋系动词＋形容词＋主语从句常用于此句型的形容词有important，(un)likely，possible，necessary，natural，wrong等。It＋系动词＋名词＋主语从句常用于此句型的名词有afact，anidea，anhonour，awonder，nowonder，apity等。It＋系动词＋过去分词＋主语从句常用于此句型的过去分词有known，proved，said，decided，suggested，thought等。It＋不及物动词＋主语从句常用于此句型的动词有appear，happen，seem，occur，matter等。句型说明It＋系动词＋形容词＋主语从句常用于此句型的形容词有Itisveryimportantthatastudent(should)learnEnglishwell.学生学好英语很重要。Itissuggestedthatthemeeting(should)beputoff.有人建议会议延期召开。Itdependsontheweatherwhethertheyaregoingshoppingtoday.他们今天是否去购物还得看天气情况。Forexample，itcanbeprovedthatChinahasmorepeoplethananyothercountryintheworld.举例来说，中国人口比世界上其他任何国家的人口都多，这是可以得到证实的。Itisnowonderthatyourstudentshavemadesuchgreatprogress.难怪你的学生们进步这么大。Itisveryimportantthatast考点警示1.从句的语序：在任何情况下，主语从句都用陈述语序。Whicheverofyougetsherefirstwillgettheprize.你们谁第一个到达这里谁就获奖。2.主谓一致(1)从句作主语时，主句的谓语一般用单数形式；但what和who引导主语从句时，有时主句谓语的数应与主句中作表语的名词保持一致。Whenweshallhaveoursportsmeetinghasnotbeendecided.我们什么时候开运动会还没有确定。Whattheyneedarebooks.他们需要的是书。考点警示(2)如果由and连接两个或两个以上的主语从句作主语时，谓语动词用复数；由两个或多个连接词引导一个主语从句时，谓语动词用单数。Whentheywillstartandwheretheywillgohavenotbeendecidedyet.他们什么时候动身以及要去哪里还没定下来。Howandwhyhecametothiscityisastoryofstruggleandsuccess.他如何及为什么来到这个城市是一个充满奋斗和成功的故事。(2)如果由and连接两个或两个以上的主语从句作主语时，谓语3.whether引导的主语从句，如果用了形式主语it，引导词whether可以换成if。如果whether从句在句首或后面有ornot时，不能用if替换。Whethergenetically-modifiedfooddoesusharmremainstobeseen.＝Itremainstobeseenwhether/ifgenetically-modifiedfooddoesusharm.转基因食物对我们是否有害有待观察。4.引导词that在主语从句中不充当句子成分，也没有含义，不可以省略；what在主语从句中可作主语、宾语、表语或者定语，有具体的含义。Whatcausedtheaccidentwasamanlyingontheground.引起这起事故的是一个躺在地上的男人。Thatshewasattheentrancetothecinemathenwasabigsurprisetome.她当时在电影院入口处对我来说是一件让我大吃一惊的事。返回3.whether引导的主语从句，如果用了形式主语it，引导Ⅰ.单句语法填空1.Everyyear，

makesthemostbeautifulkitewillwinaprizeintheKiteFestival.2.Itisoftenthecase

anythingispossibleforthosewhohangontohope.3.Yoursupportisimportanttoourwork.

youcandohelps.4.

weunderstandthingshasalottodowithwhatwefeel.5.

LiBai，agreatChinesepoet，wasbornisknowntothepublic，butsomewon’tacceptit.6.Exactly

thepotatowasintroducedintoEuropeisuncertain，butitwasprobablyaround1565.达标检测当堂检测基础达标演练whoeverthatWhateverHowWherewhenⅠ.单句语法填空达标检测当堂检测基础达标演练whoⅡ.完成句子7.

inhisarticlewasunknowntothegeneralreaders.文章中他所提及的内容一般读者不知道。8.Thevillagershavealreadyknown

isrebuildingthebridge.村民们已经知道我们要做的事是重建这座桥。9.Itmatterslittle

，but

ishowhelives.一个人怎么死的不太重要，但更重要的是他是如何活着的。Whathereferredtowhatwe’lldohowapersondieswhatmattersmuchmoreⅡ.完成句子Whathereferredtowhat10.

whetherthenewlyformedcommittee’spolicycanbeputintopractice.新组建的委员会的政策是否会付诸实施还有待观察。11.

breaksthewindowwillhavetopayforit.你们当中无论哪一个打破窗户都必须赔偿。返回ItremainstobeseenWhicheveroneofyou10.PeriodFourUsingLanguage&OtherParts基础自测自主学习落实基础知识语篇理解精读精练萃取文本精华互动探究探究重点互动撞击思维达标检测当堂检测基础达标演练内容索引PeriodFour基础自测自主学习落实基础知Ⅰ.Judgewhetherthefollowingstatementsaretrue(T)orfalse(F).1.Organicfarmerspreferusingnaturalwastefromanimalsandchemicalfertilisers.()2.Usingnaturalwastemakesthesoilricherinmineralsandsomorefertile.()3.Usingorganicfarmingmethodsistogrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople’shealth.()4.Usingchemicalfertilisershasbecomeverycommoninfarmingsincethemiddleoflastcentury.()5.Chemicalfertilisersonlykillharmfulbacteriaandpests.()语篇理解精读精练萃取文本精华TFTTFⅠ.JudgewhetherthefollowingⅡ.Choosethebestanswer.1.Fromthepassage，wecanseeorganicfarmersarethosewho

.A.growcropswithchemicalfertilisersB.growcropswithnaturalfertilisersC.produceorganicfertilisersD.carefortheenvironment√Ⅱ.Choosethebestanswer.√2.Fromthepassage，weknowthat

.A.thechemicalsinthesoilwillsoondisappearB.pesticidesareofgreatbenefittohelpfulbacteriaC.cropsgrownwithchemicalfertiliserscanprovidemoreessentialmineralsD.cropsgrownwithchemicalfertilisersusuallygrowtoofast√2.Fromthepassage，weknowtha3.Farmers

sothatthesoilmaynotgetexhausted.A.growthesamecropsyearafteryearB.usenaturalfertilisersC.changecropseveryfewyearsD.usechemicalfertilisers√3.Farmerssothatthe4.Whatistheauthor’spurposeofwritingthepassage?A.Tocallonfarmerstoturntoorganicfarming.B.Tointroducesomegoodwaystomakethesoilrich.C.Tourgethegovernmenttostopusingpesticides.D.Togivesomeadviceonhowt