高中英語新教材選修第1冊同步課件-Unit-5-

WorkingtheLandUnit5

WorkingtheLandUnit5Scientificprogressdependsonthelaborandthevalueoftheirinventionsofscientists.科學的進步，取決于科學家的勞動和他們的發(fā)明的價值。單元主題語境人與自我ScientificprogressdependsonEstablishingahumancolonyontheMoonhasbeenthestuffofdreamssincethedawnofthespaceage.Buthowcanhumanssurviveformonthsoryearsintheultra-hostile(極端惡劣的)environmentofspace？What，forinstance，willtheyeat?AgriculturalresearchersataDutchuniversitysaytheyaretakingthefirststepstowardsprovidingananswer.話題導入EstablishingahumancolonyonTheyaregrowingvegetablesinsoilssimilartothosefoundontheMoon1，lookingforwaysofhelpingspacepioneersgrowtheirowncrops.“WhenpeoplegototheMoontheyalsohavetoeat，andit’seasiestforthemtogrowtheirownfood，”saidWiegerWamelink，surroundedbyseveraldozenplantsinaspecialgreenhouseatWageningen，anagriculturaluniversityincentralNetherlands.“Wewantedtousereallunarsoiltoseeifplantswouldactuallygrowinit，”Wamelinktoldreporters.TheyaregrowingvegetablesinOfcourse，gettingreallunarpottingsoilisanimpossibletask.ButanInternetsearchrevealedanunlikelysupplier:NASA，whichmakesgroundsimilartothatontheMoonfromsandfoundinanArizonadesert.“Toworkinthissoilwasveryspecial.Nobody，notevenNASA，couldtelluswhatwouldhappen2，evenjustbysimplyaddingwater，”hesaid.Theimitationgroundatfirstwasalittle“reluctant”(勉強的)toabsorbwater，butsoonturnedouttobegoodpottingsoil.“Theplantsweregrowingveryfastandverygood.Theyevenstartedtoflower，somethingthatweneveranticipated(預料，預見)，”Wamelinksaid.Ofcourse，gettingreallunarp1.Theuniversityisknownforitslanguageandculturecoursesintendedforinternationalstudents.(2018·北京，書面表達)2.Firstly，thisispreciselywhattheBritishvisitorsareexpecting.(2019·江蘇，書面表達)靚句運用于寫作1.Theuniversityisknownfor內(nèi)容索引PeriodOneReadingandThinking—Comprehending語篇理解精讀精練萃取文本精華讀前清障識記單詞快速順暢閱讀內(nèi)容索引PeriodOne語篇理解精讀精練萃取匹配左邊的單詞與右邊的漢語意思[第一組]1.devote

A.使增長；使興旺2.shortage B.把……獻(給)；專心于3.crisis C.使相信；使確信；說服4.boost D.危機；危急關頭5.convince E.不足；缺少；短缺讀前清障識記單詞快速順暢閱讀匹配左邊的單詞與右邊的漢語意思讀前清障識記單詞快速[第二組]6.attain A.傳統(tǒng)的；習慣的7.conventional B.消費；消耗；消耗量8.assumption C.(通常經(jīng)過努力)獲得；得到9.expand D.假定；設定；(責任的)承擔10.consumption E.擴大；增加；發(fā)展[第二組][第三組]11.generate A.展望；想象12.celebrity B.現(xiàn)實；事實；實際情況13.envision C.產(chǎn)生；引起14.reality D.擴大；擴建部分；電話分機15.extension E.名人；名流；名望；名譽返回[第三組]返回Step1

Fast-reading1.What’sthemainideaofthepassage?A.Waystoincreasethericeoutput.B.YuanLongping’sdreams.C.YuanLongping’ssuperhybridrice.D.YuanLongping—anagriculturalpioneer.語篇理解精讀精練萃取文本精華√Step1Fast-reading語篇理解精讀精練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]本句中名詞性從句分別作主語和表語。whatconcernedhimmost為句子的

，表語從句為

引導的那一部分。toeat是動詞不定式表目的。

[自主翻譯]

_______________________________________________________主語that

然而，他最擔憂的是農(nóng)民們的收成不好，有時甚至口糧嚴重短缺。Step4Sentence-learning主語that2.Aftergraduatingin1953，heworkedasaresearcher.[句式分析]本句中Aftergraduatingin1953可以改寫為Afterhe_________

in1953；從句的謂語動詞graduate與主語之間為

關系。[自主翻譯]

________________________________________graduated1953年大學畢業(yè)以后，他成了一名科研人員。主動2.Aftergraduatingin1953，he3.Today，itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，andhisstrainshaveallowedChina’sfarmerstoproducearound200milliontonsofriceperyear.[句式分析]本句為it作

的復合句。真正的主語是

引導的從句，而真正的主語太長，為了避免句子頭重腳輕，所以用

it。

[自主翻譯]

_______________________________________________________________________________________________________________形式主語that形式主語

據(jù)估計，現(xiàn)在中國國內(nèi)消費的大米有大約60%來自袁隆平的雜交水稻，他的雜交水稻讓中國農(nóng)民每年能夠生產(chǎn)大約兩億噸大米。3.Today，itisestimatedthata4.GiventhatYuan’shybridshavemadehimquitewealthy，onemightthinkhewouldretiretoalifeofleisure.[句式分析]本句中Giventhat...為連詞，相當于considering，意為“______________”。[自主翻譯]

________________________________________________________________________返回考慮到；鑒于

考慮到雜交水稻讓袁隆平變得相當富有，人們可能認為他會退休享受閑適的生活。4.GiventhatYuan’shybridsha內(nèi)容索引PeriodTwoReadingandThinking&LearningAboutLanguage—LanguagePoints互動探究探究重點互動撞擊思維基礎自測自主學習落實基礎知識達標檢測當堂檢測基礎達標演練內(nèi)容索引PeriodTwo互動探究探究重點互動重點單詞1.

n.(pl.crises)危機；危急關頭2.

vt.(通常經(jīng)過努力)獲得；得到3.

n.特征；特點；品質(zhì)

adj.典型的；獨特的4.

adj.傳統(tǒng)的；習慣的5.

vt.克服；解決；戰(zhàn)勝6.

vt.&vi.擴大；增加

vt.擴展；發(fā)展(業(yè)務)基礎自測自主學習落實基礎知識crisisattaincharacteristicconventionalovercomeexpand重點單詞1. n.(pl.cr7.

vt.估計；估價；估算

n.估計；估算8.

vt.包括；包含；由……組成9.

n.名人；名流；名望；名譽10.

vt.展望；想象11.

n.不足；缺少；短缺

→

adj.短的①12.

vt.把……獻(給)；把……專用于；專心于

→

adj.忠誠的；摯愛的；專心的

→

n.獻身；奉獻；忠誠estimatecomprisecelebrityenvisionshortageshortdevotedevoteddevotion7. v13.

n.假定；設定；(責任的)承擔；(權利的)獲得

→

v.假定；認為；承擔②14.

n.消耗；消耗量；消費

→

v.消耗；消費15.

n.現(xiàn)實；實際情況；事實

→

adj.真的；真實的；現(xiàn)實的16.

vt.使相信；使確信；說服

→

adj.令人信服的assumptionassumeconsumptionconsumerealityrealconvinceconvincing13. 17.

vt.產(chǎn)生；引起

→

n.產(chǎn)生；一代人18.

n.擴建部分；擴大；電話分機

→

v.延伸；擴大；推廣generategenerationextensionextend17. vt.產(chǎn)生；引掌握規(guī)律巧記單詞①shortadj.短的＋age→shortagen.短缺；缺少；不足例：shrinkage收縮；縮小wreckage殘??；毀滅bandage繃帶②assumev.假設；假定去掉e＋ption→assumptionn.假定；設定；(責任的)承擔例：consumption消耗；消費；消耗量掌握規(guī)律巧記單詞1.

把……用于；獻身；致力；專心2.

包括；包含；由……組成(或構成)3.

在內(nèi)心深處；本質(zhì)上；實際上4.

被用于……5.

依靠6.

因為；由于7.

遠非；絕不是8.

在意；喜歡9.

成功地做某事10.

憑空想出(不同尋常的計劃、主意)devote...tobecomprisedofdeepdownbeusedfordependonbecauseoffarfromcareforsucceedindoingsth.dreamup核心短語1. 1.名詞性從句作主語和表語However，_______________________was_________________________________andsometimesevenhadaseriousshortageoffoodtoeat.然而，他最擔憂的是農(nóng)民們的收成不好，有時甚至口糧嚴重短缺。2.現(xiàn)在分詞作時間狀語

in1953，heworkedasaresearcher.1953年大學畢業(yè)以后，他成了一名科研人員。經(jīng)典句式whatconcernedhimmostthatfarmersoftenhadpoorharvestsAftergraduating1.名詞性從句作主語和表語經(jīng)典句式whatconcerne3.it作形式主語Today,

about60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，andhisstrainshaveallowedChina’sfarmerstoproducearound200milliontonsofriceperyear.據(jù)估計，現(xiàn)在中國國內(nèi)消費的大米有大約60%來自袁隆平的雜交水稻，他的雜交水稻讓中國農(nóng)民每年能夠生產(chǎn)大約兩億噸大米。返回itisestimatedthat3.it作形式主語返回itisestimatedthIndeed，hisslimbutstrongbodyisjustlikethoseofmillionsofChinesefarmerstowhomhehasdevotedhislife.事實上，他瘦削但結實的身軀看起來和他為之奉獻了一生的千千萬萬的中國農(nóng)民一樣。1devotevt.把……獻(給)；把……專用于；專心于(常與介詞to連用)互動探究探究重點互動撞擊思維重點詞匯Indeed，hisslimbutstrongbod※devote...to把……奉獻給；把……專注于devoteoneselfto致力于；獻身于※devotedadj.深愛的；忠誠的bedevotedto專心于；致力于※devotionn.關愛；奉獻※devote...to把……奉獻給；把……專注于(1)Ifyouhaveajob，dodevoteyourselftoitandfinallyyouwillsucceed.如果你有份工作，務必投身于它，最終你將會成功。(2)Idon’tthinkweshoulddevoteanymoretimeto

(persuade)suchastubbornmantochangehismind.我認為我們不應該再花時間來說服這么頑固的一個人改變主意。(3)Heisso

tohisEnglishteachingthatIadmirehimforhis________(devote).他如此深愛他的英語教學，以至于我對他的奉獻感到敬佩。persuadingdevoteddevotion(1)Ifyouhaveajob，dodevoteYuanwasconvincedthattheanswercouldbefoundinthecreationofhybridrice.袁隆平相信答案可以在雜交水稻的培養(yǎng)中找到。2convincevt.使信服；使確信；說服※convincesb.ofsth.使某人確信/明白某事convincesb.that...使某人相信……convincesb.todosth.說服某人做某事※convincingadj.令人信服的※convincedadj.確信的；堅信的beconvinced(that)/of...(某人)堅信……Yuanwasconvincedthatthean(1)WhatshesaidconvincedmethatIwasmistaken.她說的話讓我相信我錯了。(2)We’vebeentryingtoconvincehim

(give)uptheplan.我們一直在試圖說服他放棄那個計劃。(3)Hisspeechwasso

(convince)thateveryonepresentbelievedwhathesaid.他的演講很令人信服，以至于在場的所有人都相信他所說的話。(4)I’mnotcompletely

(convince)heknewtheimportanceofpractice.我不完全相信他知道實踐的重要性。togiveconvincingconvinced(1)WhatshesaidconvincedmeOnecharacteristicofhybridsisthattheyusuallyattainahigheryieldthanconventionalcrops.雜交作物的特點之一就是比傳統(tǒng)作物高產(chǎn)。3attainvt.(通常經(jīng)過努力)獲得；得到※attainone’saim達到某人的目的attaintheoppositeshore到達對岸※attainableadj.可到達的；可得到的Onecharacteristicofhybrids(1)Iamdeterminedtoattainmypurposeatanycost.我決心不惜任何代價達到目的。(2)Thesetrainsarecapableof

(attain)veryhighspeeds.這些火車能達到非常高的速度。(3)Ifthesolutionsareso

(attain)，whyhaven’twereachedthemyet？如果這些解決辦法都那么可行，為什么我們還是沒能實現(xiàn)呢？attainingattainable(1)IamdeterminedtoattainmThecommonassumptionthenwasthatitcouldnotbedone.當時大家都認為這件事情不可能做到。4assumptionn.假定，假設；(責任的)承擔；(權利的)獲得※ontheassumptionthat...假定……makeanassumption作出臆斷※assumev.假定；設想；承擔；假裝assumesb./sth.(tobe)＋adj./n.假定/認為某人/某事(為)……Itisassumedthat...人們認為……assuming(that)...假設……Thecommonassumptionthenwas(1)Youmustadmitthatyourargumentisbasedonacompletelyfalseassumption.你必須承認你的論點建立在一個完全錯誤的假設上。(2)Peopletendto

basedonyourappearance.人們往往會對你以貌取人。(3)Theyassumedher

(be)thebestsingeroftheirtime.他們認為她是他們那個時代最好的歌唱家。(4)

thatwasadifficultproblemimpossibletoovercome.人們當時認為那是一個無法克服的難題。makeassumptionsaboutyoutobeItwasassumedthat(1)Youmustadmitthatyourar[一句多譯](5)據(jù)我所知，很多人認為他是正確的。①AsfarasI’mconcerned，agreatmanypeople

hewasright.(assume)②AsfarasI’mconcerned，agreatmanypeople

hewasright.(assumption)assumedthatmadeanassumptionthat[一句多譯]assumedthatmadeanassuThishybridenabledfarmerstoexpandtheiroutputgreatly.這種雜交水稻極大地提高了農(nóng)民們的糧食產(chǎn)量。5expandvt.&vi.使變大；伸展※o...把……擴展/發(fā)展成……expandinto...發(fā)展成/擴大成……expandon/uponsth.細說(闡述)某事※expansionn.擴大；擴張；擴展Thishybridenabledfarmersto(1)Thenarrowpathinthevillageexpandedintoawideroad.村里的狹窄小路拓寬成了一條大道。(2)Afewyearslater，thewriter

hisshortnovel

alongone.幾年以后，那位作家把他的短篇小說擴展成了長篇小說。(3)Hedidnotexpandgreatly

hisstatement.他未就他的聲明多加解釋。(4)Thebookisan

(expand)ofaseriesoflecturesgivenlastyear.這本書是去年舉行的系列講座的擴充。expandedintoon/uponexpansion(1)ThenarrowpathinthevillToday，itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，andhisstrainshaveallowedChina’sfarmerstoproducearound200milliontonsofriceperyear.據(jù)估計，現(xiàn)在中國國內(nèi)消費的大米有大約60%來自袁隆平的雜交水稻，他的雜交水稻讓中國農(nóng)民每年能夠生產(chǎn)大約兩億噸大米。6estimatevt.估計，估量，估價

n.估計；估算Today，itisestimatedthatabo※beestimatedthat...據(jù)估計……estimatesb./sth.tobe...估計……為……※byestimate按照估計belowestimate低于估計※beestimatedthat...據(jù)估計……(1)Expertsestimatethattheconsumptionofgaswillincreaseby10%nextyear.專家估計明年汽油的消耗將增加10%。(2)Thecostofbuildingthatrailway

(estimate)atover10billiondollars.那條鐵路的建設費用估計要超過100億美元。(3)

totalinvestmentinthecountrywillcontinuetoincreasethisyear.據(jù)估計國內(nèi)投資總額今年將繼續(xù)增加。(4)Thecostofdecoratingthestadiumisestimated

(be)3millionpounds.體育館的裝修花費估計要達到300萬英鎊。isestimatedItisestimatedthattobe(1)ExpertsestimatethatthecHislatestvisionfor“seawaterrice”hasalsobecomeareality，andpotentiallyopenedupnearlyonemillionsquarekilometresofsaltylandinChinaforriceproduction.最近他的“海水稻”的愿望已經(jīng)變成現(xiàn)實，這就有可能把中國接近100萬平方公里的鹽堿地用于種植水稻。7realityn.現(xiàn)實；事實；實際情況inreality實際上；事實上realityoftheday當前的現(xiàn)實becomereality成為現(xiàn)實Hislatestvisionfor“seawate(1)Hisplansweretransformedintorealityovernight.他的計劃突然變成現(xiàn)實。(2)Thechildthoughthewasbeinghelpful，but

realityhewasanuisance.那孩子認為他在幫忙，但實際上他是個令人討厭的家伙。in(1)HisplansweretransformedHowever，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.然而，他最擔憂的是農(nóng)民們的收成不好，有時甚至口糧嚴重短缺。whatconcernedhimmost為句子的主語，that引導表語從句。※句中what引導主語從句，what可以引導名詞性從句，且可以在從句中作主語、賓語、表語、定語、賓語補足語等成分?！鵷hat引導表語從句時，在句中不作任何成分，無實義，只起連接作用。經(jīng)典句式However，whatconcernedhimmos(1)WhatIwanttoknowishowhesolvedtheshortageoffundsinhiscompany.我想知道的是他是如何解決了公司的資金短缺問題的。(2)Whatsurprisedmemostwasthatsuchalittleboyofsevencouldplaytheviolinsowell.讓我非常吃驚的是一個七歲的孩子能把小提琴拉得這么好。(3)

isalsohappeningtome.正在他身上發(fā)生的事情也正發(fā)生在我身上。(4)Whatmadethemotherangrywas

.讓這位媽媽生氣的是她的兒子拒絕服用任何藥物。Whatishappeningtohimthathersonrefusedtotakeanymedicine(1)WhatIwanttoknowishow(5)Thisis

.這就是我所感興趣的。(6)Idon’tthink

isrelevanttothetopicwearediscussing.我認為他所說的與我們正在討論的話題無關。返回whatI’minterestedinwhathehassaid(5)ThisisⅠ.單句語法填空1.Ifoundhisspeech

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

(assume)thathousepriceswouldremainsteady.3.

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

reality.5.Morewomenare

(attain)positionsofpowerinpubliclife.達標檢測當堂檢測基礎達標演練convincingassumptionDevotedinattainingⅠ.單句語法填空達標檢測當堂檢測基礎達標演練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.我相信在未來人們網(wǎng)上購物會變得更加方便。10.Hiscompany

aftertenyearsofhardwork.經(jīng)過十年的艱苦努力，他的公司已經(jīng)擴展成了一個大公司。11.

willhavealastingeffectonmyfuturecareer.你所說的話會對我未來的事業(yè)產(chǎn)生持續(xù)的影響。I’mconvincedthathasexpandedintoabigoneWhatyouhavesaidⅡ.完成句子I’mconvincedthathasex12.

youwillexpandyourbusinesstoforeigncountries.希望你們能將生意擴展到海外。13.Expertsgenerally

stressiscausedbytoomuchwork.專家們普遍認為壓力是由工作過多所致。返回Itishopedthatassumethat12.PeriodThreeGrammar—Subjectclauses達標檢測當堂檢測基礎達標演練語法導學感悟規(guī)律重點難點剖析內(nèi)容索引PeriodThree達標檢測當堂檢測基礎達標感知以下課文原句，完成方框下的小題1.However，whatconcernedhimmostwasthatfarmersoftenhadpoorharvestsandsometimesevenhadaseriousshortageoffoodtoeat.2.Howthiscouldbedonewasachallengingquestionatthetime.3.However，whetheritwaspossibletodevelopahybridofself-bollinatingplantssuchasricewasamatterofgreatdebate.語法感知語法導學感悟規(guī)律重點難點剖析感知以下課文原句，完成方框下的小題1.However，wha4.Today，itisestimatedthatabout60percentofdomesticriceconsumptioninChinaiscomprisedofcropsgeneratedfromYuan’shybridstrains，...5.WhatimpressespeoplemostaboutYuanLongpingishisongoingabilitytofulfillhisdreams.1.以上加顏色部分在句中作

。2.1句和5句中的what在從句中作

。3.3句中的whether意為“

”。4.4句中的it是

，真正的主語是后面的

。5.2句中的how在從句中作

。主語主語是否that引導的從句狀語形式主語4.Today，itisestimatedthata一、主語從句的定義如果一個從句在句子中擔當主語，那么這個從句就是主語從句。主語從句通常放在主句的謂語動詞之前，有時也由形式主語it代替，而本身放在句子末尾。語法精析一、主語從句的定義語法精析ThatyouarecomingtoLondonisthebestnewsIhaveheardthislongtime.你將要來倫敦是這么長時間以來我聽到的最好的消息。Whethertheywouldsupportuswasstillaproblem.他們是否會支持我們還是一個問題。Whatimpressedmemostwasthattheyhaveallsufferedalot.讓我印象最深刻的是他們都受過很多苦。Isittruethatheisthegirl’sfather?他是那個女孩的父親，是真的嗎？ThatyouarecomingtoLondon二、主語從句的引導詞類別例詞說明從屬連詞that，whether兩者在從句中均不作成分，只起連接作用；that無實義，whether表示“是否”。連接代詞who，what，which，whoever，whatever等在從句中作主語、賓語、表語、定語等成分。連接副詞when，where，how，why等在從句中作時間、地點、方式、原因狀語等成分。二、主語從句的引導詞類別例詞說明從屬連詞that，whethWhatweneedismorewater.(連接代詞what在從句中作need的賓語)我們需要的是更多的水。Whetherwecanarrivethereontimedependsonthetraffic.我們是否能按時到達那里由交通情況而定。Whenthedelayedflightwilltakeoffdependsmuchontheweather.延遲的航班什么時候起飛主要取決于天氣狀況。Whythemanhadn’treportedtheaccidentsoonerwasneverclear.誰都不清楚那個人為什么沒更早一點報告那起事故。Whotheletterwasfromisstillunknown.這封信是誰寄的尚不清楚。Whatweneedismorewater.(連接三、it作形式主語當句子主語過長時，為保持句子平衡，避免頭重腳輕，常把主語從句后置，而用形式主語it代替。it作形式主語時常用于以下句型：三、it作形式主語句型說明It＋系動詞＋形容詞＋主語從句常用于此句型的形容詞有important，(un)likely，possible，necessary，natural，wrong等。It＋系動詞＋名詞＋主語從句常用于此句型的名詞有afact，anidea，anhonour，awonder，nowonder，apity等。It＋系動詞＋過去分詞＋主語從句常用于此句型的過去分詞有known，proved，said，decided，suggested，thought等。It＋不及物動詞＋主語從句常用于此句型的動詞有appear，happen，seem，occur，matter等。句型說明It＋系動詞＋形容詞＋主語從句常用于此句型的形容詞有Itisveryimportantthatastudent(should)learnEnglishwell.學生學好英語很重要。Itissuggestedthatthemeeting(should)beputoff.有人建議會議延期召開。Itdependsontheweatherwhethertheyaregoingshoppingtoday.他們今天是否去購物還得看天氣情況。Forexample，itcanbeprovedthatChinahasmorepeoplethananyothercountryintheworld.舉例來說，中國人口比世界上其他任何國家的人口都多，這是可以得到證實的。Itisnowonderthatyourstudentshavemadesuchgreatprogress.難怪你的學生們進步這么大。Itisveryimportantthatast考點警示1.從句的語序：在任何情況下，主語從句都用陳述語序。Whicheverofyougetsherefirstwillgettheprize.你們誰第一個到達這里誰就獲獎。2.主謂一致(1)從句作主語時，主句的謂語一般用單數(shù)形式；但what和who引導主語從句時，有時主句謂語的數(shù)應與主句中作表語的名詞保持一致。Whenweshallhaveoursportsmeetinghasnotbeendecided.我們什么時候開運動會還沒有確定。Whattheyneedarebooks.他們需要的是書?？键c警示(2)如果由and連接兩個或兩個以上的主語從句作主語時，謂語動詞用復數(shù)；由兩個或多個連接詞引導一個主語從句時，謂語動詞用單數(shù)。Whentheywillstartandwheretheywillgohavenotbeendecidedyet.他們什么時候動身以及要去哪里還沒定下來。Howandwhyhecametothiscityisastoryofstruggleandsuccess.他如何及為什么來到這個城市是一個充滿奮斗和成功的故事。(2)如果由and連接兩個或兩個以上的主語從句作主語時，謂語3.whether引導的主語從句，如果用了形式主語it，引導詞whether可以換成if。如果whether從句在句首或后面有ornot時，不能用if替換。Whethergenetically-modifiedfooddoesusharmremainstobeseen.＝Itremainstobeseenwhether/ifgenetically-modifiedfooddoesusharm.轉(zhuǎn)基因食物對我們是否有害有待觀察。4.引導詞that在主語從句中不充當句子成分，也沒有含義，不可以省略；what在主語從句中可作主語、賓語、表語或者定語，有具體的含義。Whatcausedtheaccidentwasamanlyingontheground.引起這起事故的是一個躺在地上的男人。Thatshewasattheentrancetothecinemathenwasabigsurprisetome.她當時在電影院入口處對我來說是一件讓我大吃一驚的事。返回3.whether引導的主語從句，如果用了形式主語it，引導Ⅰ.單句語法填空1.Everyyear，

makesthemostbeautifulkitewillwinaprizeintheKiteFestival.2.Itisoftenthecase

anythingispossibleforthosewhohangontohope.3.Yoursupportisimportanttoourwork.

youcandohelps.4.

weunderstandthingshasalottodowithwhatwefeel.5.

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

thepotatowasintroducedintoEuropeisuncertain，butitwasprobablyaround1565.達標檢測當堂檢測基礎達標演練whoeverthatWhateverHowWherewhenⅠ.單句語法填空達標檢測當堂檢測基礎達標演練whoⅡ.完成句子7.

inhisarticlewasunknowntothegeneralreaders.文章中他所提及的內(nèi)容一般讀者不知道。8.Thevillagershavealreadyknown

isrebuildingthebridge.村民們已經(jīng)知道我們要做的事是重建這座橋。9.Itmatterslittle

，but

ishowhelives.一個人怎么死的不太重要，但更重要的是他是如何活著的。Whathereferredtowhatwe’lldohowapersondieswhatmattersmuchmoreⅡ.完成句子Whathereferredtowhat10.

whetherthenewlyformedcommittee’spolicycanbeputintopractice.新組建的委員會的政策是否會付諸實施還有待觀察。11.

breaksthewindowwillhavetopayforit.你們當中無論哪一個打破窗戶都必須賠償。返回ItremainstobeseenWhicheveroneofyou10.PeriodFourUsingLanguage&OtherParts基礎自測自主學習落實基礎知識語篇理解精讀精練萃取文本精華互動探究探究重點互動撞擊思維達標檢測當堂檢測基礎達標演練內(nèi)容索引PeriodFour基礎自測自主學習落實基礎知Ⅰ.Judgewhetherthefollowingstatementsaretrue(T)orfalse(F).1.Organicfarmerspreferusingnaturalwastefromanimalsandchemicalfertilisers.()2.Usingnaturalwastemakesthesoilricherinmineralsandsomorefertile.()3.Usingorganicfarmingmethodsistogrowgoodfoodwhileavoidingdamagetotheenvironmentortopeople’shealth.()4.Usingchemicalfertilisershasbecomeverycommoninfarmingsincethemiddleoflastcentury.()5.Chemicalfertilisersonlykillharmfulbacteriaandpests.()語篇理解精讀精練萃取文本精華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