Unit1OurlivingplanetGrammarandusage(倒裝強(qiáng)調(diào))課件高中英語牛津譯林版（2020）選修第一冊

Unit1OurlivingplanetGrammarandusageInversion(倒裝)1)

Doyouknowwhichdayisthelongestandwhichdayistheshortestinayear?Summersolstice

/?s?lst?s/&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!部分倒裝完全倒裝完全倒裝部分倒裝?Wesometimeschangetheusualsubject-verborderinastatementtoemphasizeanidea,ortomakethesentencestructuremorebalanced.?Wecanusetheinvertedorderwhenasentencebeginswith:◎anadverblike(1)______,thereoranadverbialphraseaboutalocation.◎awordwithanegativemeaninglikenever,(2)________andhardly;◎aphraselikenotonly.Finish“Workingouttherules”ofpartAonpage6.hereseldomTurntoP92-93forhelp!Grammarnotes:Onlybypracticecanwelearnalanguagewell.當(dāng)only引導(dǎo)方式狀語的時(shí)候，句子用部分倒裝句。Translation1:1.只有用這種方式我們的環(huán)境才會得到改善。Onlyinthiswaywillourenvironmentbeimproved.2.只有當(dāng)你的身份被核實(shí)了，你才能進(jìn)來。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(強(qiáng)調(diào))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:強(qiáng)調(diào)句型itis/was...that...Example1:Ancientpeoplegrewdifferentcropsonbothoftheriver.Itwas

ancientpeople

that/whogrewdifferentcropsonbothbanksoftheriver.Itwasdifferentcrops

thatancientpeoplegrewonbothbanksoftheriver.Itwas

onbothbanksoftheriver

thatancientpeoplegrewdifferentcrops.②①③Conclusion:Inthissentencepattern,subject,object,adverbialareusuallyemphasized.強(qiáng)調(diào)句型itis/wasnotuntil...that...Example2:Ididn’tarrivedhomeuntil7p.m..Itwasnotuntil7p.m.thatIarrivedhome.Translation:1.直到子夜他們才發(fā)現(xiàn)孩子們不在他們床上。2.直到子夜他們才到達(dá)宿營地。Itwasnotuntilmidnightthattheydiscoveredthechildrenwerenotintheirbeds.Itwasnotuntilmidnightthattheyreachedthecampsite.1.ApplytherulesinsentenceexercisFinishB1onpage21ofthetextbook.1）doeshelpfarmersleadabetterlife2）Itwasbecausewaterlevelsintheriverkeptrisingthat3）dowanttogoonaboattripdowntheYellowRiver4）suchanimportantgiftforthecountryStep3

Applyingtherules2.Applytherulesinpassageexercises.FinishB2onpage21ofth