Unit1OurlivingplanetGrammarandusage(倒装强调)课件高中英语牛津译林版(2020)选修第一册_第1页
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Unit1OurlivingplanetGrammarandusageInversion(倒装)1)

Doyouknowwhichdayisthelongestandwhichdayistheshortestinayear?Summersolstice

/ˈsɒlstɪs/&wintersolstice.2)

Arethereanypossibilitiesthatlengthsofdaysandyearsarechanging?Yes.Theyarealwayschanging.Step1WarmingupQuestions:Readforthestructure!1)

Whatdoweseldomdoubt?2)

Whatarethemainevidencesforthechanginglengthsofdaysandyears?3)

Whatmaytheexpression“24/7”havetobereplacedwith?Readthearticlefromasciencewebsiteonpage6andanswerthefollowingquestions.1.Seldomdowedoubtthat...(L1)2.Undertheoceanliestheevidenceforthechanginglengthsofdaysandyears.(L6)3.Hereisanexample.(L9)4....,notonly

doscientistsconcludethatthelengthsofdaysandyearshavechangedinpasteras.(L15)

Step2ExploringandworkingouttherulesReadfortheINVERSION!部分倒装完全倒装完全倒装部分倒装•Wesometimeschangetheusualsubject-verborderinastatementtoemphasizeanidea,ortomakethesentencestructuremorebalanced.•Wecanusetheinvertedorderwhenasentencebeginswith:◎anadverblike(1)______,thereoranadverbialphraseaboutalocation.◎awordwithanegativemeaninglikenever,(2)________andhardly;◎aphraselikenotonly.Finish“Workingouttherules”ofpartAonpage6.hereseldomTurntoP92-93forhelp!Grammarnotes:Onlybypracticecanwelearnalanguagewell.当only引导方式状语的时候,句子用部分倒装句。Translation1:1.只有用这种方式我们的环境才会得到改善。Onlyinthiswaywillourenvironmentbeimproved.2.只有当你的身份被核实了,你才能进来。Onlywhenyouridentityhasbeenchecked,youwillbeallowedin.Notonlyisshethoughtful,but(also)sheisbroad-minded.Notonlywerethestudentsinvited,but(also)theteacherwasinvited.1.Applytherulesinsentenceexercises.

FinishB1onpage7ofthetextbook.1)Seldom

doeslightreachthethickforestfloor.2)Downthemountainrolledlargeamountsofearthandrock.3)Neverdoessnowdisappearonthetopofthishighmountain.4)Inthenorth-westliemostofthedesertsinChina.5)Notonlydodifferentlandformsappearonland,butthey

canalsobefoundundertheoceans.Step3

Applyingtherules部分完全部分完全部分2.Applytherulesinpassageexercises.

FinishB2onpage7ofthetextbook.

Suggestedanswers:

1)c

2)b

3)e

4)a

Step3

ApplyingtherulesP6:leapyearstimingplanetarymotioncircularmovementspin/axistrunkdistincterarevise部分部分部分完全部分部分完全完全Applytherulesinwriting.Writeajournalentryabouthowtheywouldliketospendtheday(supposetherewere48hoursinadayinthefuture.)usinginversion.Step4

WritingSampleHomework1.Searchmoreinformationoftoday’stopiconline.2.CompletePartBoftheworkbookonpage58.Unit2WorkingthelandGrammarandusageEmphasis(强调)1)

DoyouknowwhichriverisChina’ssecondlongestriver?Andwhichriveristhelongestriverintheworld?TheYellowRiver&theRiverNile.2)

InChinapeoplealwaysregardTheYellowRiverastheMotherRiverofChina,canyougivesomereasons?Step1WarmingupQuestions:Readforthemainideas!ArcheaologicalParagraphMainideaKeywordsPara.1Para.2Para.3TurntoPartAonP20andreadforthemainideas!Introduction

HistoryPresentsituationtheMotherRiver

ArchaeologicalevidenceToday1)

WhyistheYellowRiversymbolicallyreferredtoastheMotherRiverofChina?2)

Whatdoesarchaeologicalevidenceshow?3)

WhatwilltheYellowRivercontinuetobring?ReadtheonlinearticleaboutagriculturealongtheYellowRiver

andanswerthefollowingquestions.Step2Exploringandworkingouttherulesreallysuch/soauxiliaryverbdoItis/was+theparttobeemphasized+clauseItisreallyeasytoseewhy…(Para.2)Withoutdoubt,theYellowRiverwillcontinuetobringsuch

agriculturalabundancetoChinathat…(Para.3)Today,theriver

doesmaintainasignificantpositionas…(Para.3)Itisbecauseoftheriver’simportantroleindevelopingagricultureandestablishingcivilizationthat...(Para.1)•Wecanusewordslikereally,just,soandsuchtoshowemphasis.•Wecanuse(1)______________toemphasizetheverbofasentence.•Wecanuse“Itis+theparttobeemphasized+that-clause”toaddemphasis.Wecanalsouse(2)_____tointroducetheclausewhentheparttobeemphasizedreferstopeople.Finish“Workingouttherules”ofpartAonpage6.do,does,didwhoTurntoP93-94forhelp!Grammarnotes:强调句型itis/was...that...Example1:Ancientpeoplegrewdifferentcropsonbothoftheriver.Itwas

ancientpeople

that/whogrewdifferentcropsonbothbanksoftheriver.Itwasdifferentcrops

thatancientpeoplegrewonbothbanksoftheriver.Itwas

onbothbanksoftheriver

thatancientpeoplegrewdifferentcrops.②①③Conclusion:Inthissentencepattern,subject,object,adverbialareusuallyemphasized.强调句型itis/wasnotuntil...that...Example2:Ididn’tarrivedhomeuntil7p.m..Itwasnotuntil7p.m.thatIarrivedhome.Translation:1.直到子夜他们才发现孩子们不在他们床上。2.直到子夜他们才到达宿营地。Itwasnotuntilmidnightthattheydiscoveredthechildrenwerenotintheirbeds.Itwasnotuntilmidnightthattheyreachedthecampsite.1.ApplytherulesinsentenceexercisFinishB1onpage21ofthetextbook.1)doeshelpfarmersleadabetterlife2)Itwasbecausewaterlevelsintheriverkeptrisingthat3)dowanttogoonaboattripdowntheYellowRiver4)suchanimportantgiftforthecountryStep3

Applyingtherules2.Applytherulesinpassageexercises.FinishB2onpage21ofth

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