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ID:48775106
大小:4.39 MB
页数:54页
时间:2020-01-23
《必修4Unit2Warming up and Reading.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、BOOK4Unit2WorkingthelandThePeasant’slotFarmersweedingatnoon,Sweatdownthefieldsoon.Whoknowsfoodonatray,Duetotheirtoilingday.Whatcropsareplantedinthefarmland?wheatsorghumricecornpotatoesmainfoodBrainstormingWhatwillyouthinkofwhenyouseetheword“farming”?farmingirrigating(灌溉)pl
2、oughingsowingweather&climatecropsricetransplanting(插秧)fertilizerHaveyouevergrowanyplant?Doyouknowhowtogrowaplant?Firstweploughedthesoildeep.Secondweputtheseedsintothesoil.Finallyweshouldturnoverthesoilbyploughingagain.Thefarmersplowthefield.Theyhavetomakethesoillooseenough
3、toplantcrops.Whataretheydoing?ploughing(犁田)ploughing(犁田)seeding(播种)fertilizing(施肥)irrigating(灌溉)transplanting(插秧)harvesting(收割)winnowing(扬谷)selecttheseedsploughthefieldturnoverthesoilsowtheseedsremovetheweedsfertilizefarmingstepsPre-readingWhatisthemainfoodinallEastAsianan
4、dSoutheastAsiancountries?Rice.Itissaidthatthereare2.4billionpeopletoeatriceeverydaythroughouttheworld.solargeapopulation22%oftheworldpeoplearefedfromjust7%ofthefarmlandinchina.DiscussionRiceisourmainfood.Whatdoyouthinkwillhappeniftomorrowthereissuddenlynoricetoeat?Ifthatha
5、ppened,peoplemightdieofhunger.Thewholeworldwouldgetintotrouble.Whatwillhappen?Whatshallwedo?Drought:adisturbingproblemNocropNooutputTheonlywaytosolvethefoodshortageproblemistoincreasetheproduceofthegraincropperlandareathroughtheadvancementofscienceandtechnology.AChinesesci
6、entistdeclaredtotheworldthatChinacansolvetheproblembyitselfandhelptosolvethesameproblemintheworld.FatherofHybridRiceAPioneerForAllPeopleSuperHybridRicethericethathasahighoutputYuanLongpingisdoinghisresearch.YuanLongpingisworkingtheland.Task1SkimmingFindoutthemainideaofeach
7、paragraph.Para1A.DrYuan’sdreams.Para2B.DrYuan’spersonality.Para3C.DrYuan’sbiography.Para4D.DrYuan’sappearanceandhisachievement.Matchthefollowingmainideaswiththerightparagraphs.APioneerforALLPeopleCarefulreading:Readthepassagecarefullyandfinishthefollowingactivities.Hisappe
8、aranceandhisachievement.Hisbiography.Hispersonality.Hisdreams.ApioneerforallpeopleDrYuan’
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