人教版必修四unit2reading和练习讲解.pptx
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1、Unit2Workingthelandpre-readingWhat problem do they show?How do you feel when you see the pictures?How much land can be used for farming?1.3/4 of our earth is covered with water!2.1/2 of this piece is too hot,cold,or wet for farming!3.3/4 of this part is used for roads,buildings like houses,schools!4
2、.Only 1/32 of the earth is used for farming!Super hybrid riceTask 1 Scanning Para1 A.Dr Yuans dreams.Para2 B.Dr Yuans personality.Para3 C.Dr Yuans biography.Para4 D.Dr Yuans appearance and his achievement.Para 1 Appearance and Achievement.1.Appearance face:arm:body:sunburntsunburntslim but strongloo
3、kslikea_farmerAlthough he is one of Chinas most famous scientists,Yuan Longping considers himself a farmer,for he works the land to do his research.Indeed,his sunburnt face and arms and his slim,strong body are just like those of millions of Chinese farmers,for whom he struggled for the past five de
4、cades.Dr Yuan is like more a farmer than a scientist.Para 1 appearance and achievement.1.Appearance face:arm:body:sunburntsunburntslim but stronglookslikea_farmer2.achievementsHe grows what is called_,which makesitpossibleto produce_ more of the crop in the same fields.super hybrid riceone-fifthPara
5、.2HisbiographyTimeinformation19301953As a young manIn a recentharvestnowBorn in Beijing Graduated from collegeHunger was a disturbing problem.search for a way to increase the rice harvest.200 million tons was producedCirculating his knowledge22%7%Means?UN rid the world of hungerThanks to his researc
6、h,the UN has more tools in the battle to rid the world of hunger.由于他的研究,联合国在消除世界饥饿由于他的研究,联合国在消除世界饥饿的战斗中有了更多的方法的战斗中有了更多的方法Using his hybrid rice,farmers are producing harvests twice as large as before.using 作状语,修饰后面整个句子作状语,修饰后面整个句子Paragraph 3Topic sentence?Dr Yuan is quite satisfied with his life.He d
7、oesnt care about _ and _.He likes freedom for his search and hobbies.famemoneyPersonalityPara 4:his dreamsHis first dreamHis second dreamAs tall as sorghum As big as an ear of cornAs huge as a peanutTo export his rice so that it can be grown around the globe.1.himself(as)afarmer认为他自己是个农民认为他自己是个农民2.t
8、heland耕种土地,在田间耕作耕种土地,在田间耕作3.doones进行研究进行研究4.faceandarms被太阳晒黑的脸庞和手臂被太阳晒黑的脸庞和手臂5.thepastfive在过去的在过去的50年里年里6.thefirstagriculturalpioneerrice第一个种高产水稻的农业先锋第一个种高产水稻的农业先锋7.ahigh高产量高产量8.graduateSouthwestAgriculturalCollege从西南农学院毕业从西南农学院毕业9.life人生目标人生目标10.thegreatneed对对巨大的需求巨大的需求11.aproblem一个令人烦恼的问题一个令人烦恼的问题
9、12.search寻找寻找13.without_theareaoffields不扩大农田面积不扩大农田面积14.onesknowledge传播知识传播知识15.developedcountries欠发达国家欠发达国家16.幸亏,由于幸亏,由于17.theworldhunger消除(解决)世界饥饿消除(解决)世界饥饿18.harveststwicebefore产量是从前的两倍产量是从前的两倍19.bequite对对.非常满意非常满意20.care喜欢喜欢;照顾;关心;照顾;关心;_littleabout对对很少关心很少关心21.wouldrathersth.宁愿做宁愿做22.spend在在.上花
10、费上花费.23.acomfortablelife过舒适的生活过舒适的生活24.rather而不是而不是25._sb.for使使做好准备,为做好准备,为装备装备26.givehimless_todosth给他更少的自由给他更少的自由27._from从从中醒来中醒来28.thehopeof怀着怀着希望希望29._rice出口大米出口大米30.theglobe全球,全世界全球,全世界31.makeitpossible_使使成为可能成为可能1.As a young man,he saw the great need for increasing the rice output.2.At that ti
11、me,hunger was a disturbing problem in many parts of the countryside.Whenhewasyoung,heknowhowimportantitwastoproducebiggerricecrops.=itisimportantto=doingsth.isimportant/ofgreatimportanceDuringhisearlyyears,muchofthecountrysidewastroubledbyhunger.=bebadlyinfluenced/affectedbyhaveabadeffecton3.Using h
12、is hybrid rice,farmers are producing harvests twice as large as before.4.Spending money on himself or leading a comfortable life also means very little to him.Astheyusehishybridrice,farmersareproducingtwiceasmuchriceasbefore.Heisnotinterestedin/careslittleaboutbuyingthingsforhimselforhavinga5.Just d
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