人教版必修四unit2 reading 和练习讲解演示教学.ppt

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1、人教版必修四unit2reading和练习讲解Howmuchlandcanbeusedforfarming?3/4ofourearthiscoveredwithwater!2.1/2ofthispieceistoohot,cold,orwetforfarming!3.3/4ofthispartisusedforroads,buildingslikehouses,schools!4.Only1/32oftheearthisusedforfarming!①②③④⑤APioneerForAllPeopleSuper

2、hybridriceTask1ScanningPara1A.DrYuan’sdreams.Para2B.DrYuan’spersonality.Para3C.DrYuan’sbiography.Para4D.DrYuan’sappearanceandhisachievement.Para1AppearanceandAchievement.Appearanceface:arm:body:sunburntsunburntslimbutstronglookslikea______farmerAlthoughheis

3、oneofChina’smostfamousscientists,YuanLongpingconsidershimselfafarmer,forheworksthelandtodohisresearch.Indeed,hissunburntfaceandarmsandhisslim,strongbodyarejustlikethoseofmillionsofChinesefarmers,forwhomhestruggledforthepastfivedecades.DrYuanislikemoreafarme

4、rthanascientist.Para1appearanceandachievement.Appearanceface:arm:body:sunburntsunburntslimbutstronglookslikea______farmer2.achievementsHegrowswhatiscalled_____________,whichmakesitpossibletoproduce_________moreofthecropinthesamefields.superhybridriceone-fif

5、thPara.2HisbiographyTimeinformation19301953AsayoungmanInarecentharvestnowBorninBeijingGraduatedfromcollegeHungerwasadisturbingproblem.searchforawaytoincreasethericeharvest.200milliontonswasproducedCirculatinghisknowledge22%7%Means?UNridtheworldofhungerThank

6、stohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.由于他的研究，联合国在消除世界饥饿的战斗中有了更多的方法．Usinghishybridrice,farmersareproducingharveststwiceaslargeasbefore.using作状语，修饰后面整个句子Paragraph3Topicsentence?DrYuanisquitesatisfiedwithhislife.Hedoesn’tcareabout___

7、___and_______.Helikesfreedomforhissearchandhobbies.famemoneyPersonalityPara4:hisdreamsHisfirstdreamHisseconddream▲Astallassorghum▲Asbigasanearofcorn▲AshugeasapeanutToexporthisricesothatitcanbegrownaroundtheglobe.1.himself(as)afarmer认为他自己是个农民2.theland耕种土地，在田

8、间耕作3.    doone’s进行研究4.faceandarms被太阳晒黑的脸庞和手臂5.    thepastfive在过去的50年里6.    thefirstagriculturalpioneerrice第一个种高产水稻的农业先锋7.   ahigh高产量8.graduateSouthwestAgriculturalCollege从西南农学院毕业9.life人生目标10.thegreatne