人教版英语必修4课文讲解Unit2省名师优质课赛课获奖课件市赛课一等奖课件.ppt

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,本资料仅供参考，不能作为科学依据。谢谢,英语必修,4 Unit 2,词汇拓展,sunburnt adj.,sun+burnt,output n.,out put,hunger n.,hungry adj.,disturb vt.,令人烦恼,disturbing adj.,令人烦恼,disturbed adj.,烦恼,第1页,英语必修,4 Unit 2,词汇拓展,surprise vt.,surprising adj.,surprised adj.,move vt.,moving adj.,moved adj.,第2页,英语必修,4 Unit 2,词汇拓展,5.expand v.,expansion n.,circulate v.,circulation n.,freedom n.,free adj.,equip v.,equipment n.,设备,be equipped with,有,第3页,英语必修,4 Unit 2,词汇拓展,person n.,person,al,adj.,10.confuse v.,confusion n.,11.chemical adj.,chemistry n.,12.produce v.,production n.,producer n.,生产者；制片人,第4页,英语必修,4 Unit 2,词汇拓展,statistic n.,数据,statistics pl.,bacteria n.,细菌,bacterium pl.,第5页,英语必修,4 Unit 2,阅读了解,Comprehending P11,Use the information in the passage to complete the following notes about Yuan Longping.,第6页,英语必修,4 Unit 2,阅读了解,Name_,Nationality _,Age _,Occupation _,Education _,Dream _,Achievement _,Hobbies _,第7页,英语必修,4 Unit 2,阅读了解,Key:,Name:,Yuan Longping,Nationality:,Chinese,Age:,77(as of),Occupation:,Scientist,Education:,Graduated from Southwest,Agricultural College,in 1953,Dream:,to export his hybrid rice so that it can be grown around the globe,Achievement:,in 1973,developed hybrid rice which produces 20%more than normal rice,Hobbies:,listening to violin music,playing mah-jong,swimming and reading,第8页,英语必修,4 Unit 2,课文 讲解,Although he is one of Chinas most famous scientists,Yuan Longping considers himself a farmer,for he works the land to do his research.,尽管是中国最著名科学家之一，袁隆平依然认为自己是个农民，因为他在田里耕作，进行科学研究。,Indeed,his sunburnt face and arms and his slim,strong body are just like those of millions of Chinese farmers,for whom he has struggled for the past five decades.,确实，他被太阳晒得黝黑脸庞和和手臂，以及他那瘦削而又坚固身躯，就跟其它千百万中国农民一样，过去,50,年来，他一直在努力帮助他们。,第9页,英语必修,4 Unit 2,课文 讲解,语言关键点：,1.although,即使,;,接让步从句,（,but,）,2.for,因为,;,原因从句,3.consider v.,认为,4.work the land,在田里耕作,5.like prep.,像,6.millions of,千百万,7.the past five decades,过去五十年,8.for whom he has struggled,非限定性定语从句,第10页,英语必修,4 Unit 2,课文 讲解,Dr Yuan Longping grows what is called,super hybrid rice.,袁博士种植是被,称为,“,超级杂交水稻,”,稻种。,In,1974,he became the first,agricultural,pioneer,in the world to grow rice,(that has a high output.)1974,年，,他成为世界上第一位种植高产水稻,农业先锋,。,第11页,英语必修,4 Unit 2,课文 讲解,语言关键点：,9.,the rice,先行词,(that has a high output.-,定语从句,),第12页,英语必修,4 Unit 2,课文 讲解,This special strain of rice makes it possible to produce one-third more of the crop in the same fields.,这种特殊稻种使得一样田地多收获三分之一产量。,Now more than 60%of the rice produced in China each year is from this hybrid strain.,如今中国每年出产稻米有,60%,以上出自这种杂交稻种。,Born in a poor farmers family in 1930,Dr Yuan graduated from Southwest Agricultural College in 1953.,袁博士,1930,年出生，,1953,年毕业于西南农学院。,Since then,finding ways to grow more rice has been his life goal.,从那时起，找到水稻高产方法就成为他一生目标。,第13页,英语必修,4 Unit 2,课文 讲解,语言关键点：,10.it,：,to produce one-third more of the crop,11.the rice(produced in China each year-,过去分词词组,-,定语,-,修饰,rice)12.(finding ways to grow more rice ing,分词词组,-,主语,-)has been his life goal.,第14页,英语必修,4 Unit 2,课文 讲解,As a young man,he saw the great need for increasing the rice output.,年轻时，他就看到了稻田增产巨大需求。,At that time,hunger was a disturbing problem in many parts of the countryside.,当初，饥荒是许多农村地域面临严重问题。,Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields.,袁博士要在不增加土地面积基础上寻求到达增收稻谷路径。,In 1950,Chinese farmers could produce only fifty million tons of rice.1950,年，中国农民只能生产五千万吨稻谷,，,第15页,英语必修,4 Unit 2,课文 讲解,语言关键点：,13.he saw the great need for increasing the rice output.,for,后面接,ing,分词词组,-,介词宾语,14.Dr Yuan searched for a way,（,to increase rice harvests-,不定式词组,-,定语）,without,（接,ing,分词词组,-,介词宾语,expanding the area of the fields.,）,15.million,百万,fifty million,五千万,hundred million,亿,第16页,英语必修,4 Unit 2,课文 讲解,In a recent harvest,however,nearly two hundred million tons of rice was produced.,而最近却生产了快要两亿吨稻谷。,These increased harvests mean that 22%of the worlds people are fed from just 7%of the farmland in China.,这一粮食产量增加意味着中国仅仅,7%,耕地养活了世界,22%,人口。,Dr Yuan is now circulating his knowledge in India,Vietnam and many other less developed countries to increase their rice harvests.,袁博士现在在印度、越南和很多其它欠发达国家传输提升水稻产量知识。,第17页,英语必修,4 Unit 2,课文 讲解,Thanks to his research,the UN has more tools in the battle to rid the world of hunger.,多亏了他研究，联合国在消除世界饥饿战斗中有了更多方法。,Using his hybrid rice,farmers are producing harvests twice as large as before.,用他杂交水稻种子，农民种出粮食比以前多了一倍。,Dr Yuan is quite satisfied with his life.,袁博士很满意他生活。,However,he doesnt care about being famous.He feels it gives him less freedom to do his research.,不过，他对成名并不在意，而且以为知名后搞科研就不那么自由了。,第18页,英语必修,4 Unit 2,课文 讲解,语言关键点：,16.thanks to,因为,多亏,17.the battle(to rid the world of hunger-,不定式,定语,).,18.ridof,使,摆脱；消除,19.Using his hybrid rice,现在分词词组,-,状语,20.as large as before.,比以前多了一倍,21.be satisfied with,对,满意,22.care about,关心；在意,第19页,英语必修,4 Unit 2,课文 讲解,Indeed,he believes that a person with too much money has more rather than fewer troubles.,实际上，他认为一个人有了太多钱，他麻烦事只会更多，而不是更少。,He therefore gives millions of yuan to equip others for their research in agriculture.,于是，他拿出好几百万元帮助其它人进行农业科学研究。,第20页,英语必修,4 Unit 2,课文 讲解,语言关键点：,22.would rather do sth.,宁愿,23.enjoy doing sth.,24.spending money on himself or leading a comfortable life also-ing,分词词组,主语,25.lead a comfortable life,过着舒适生活,26.means little,没有什么意义,第21页,英语必修,4 Unit 2,课文 讲解,Just dreaming for things,however,costs nothing.,梦想是不花本钱。,Long ago Dr yuan had a dream about rice plants as tall as sorghum.Each ear of rice was as big as an ear of corn and each grain of rice was as huge as a peanut.,很久以前，袁博士曾在梦里看到水稻长得像高粱一样高，稻穗跟玉米穗一样大，而每粒稻谷像花生米一样大。,第22页,英语必修,4 Unit 2,课文 讲解,Dr Yuan awoke from his dream with the hope of producing a kind of rice that could feed more people.,袁博士从梦中醒来，希望能种植一个能养活更多人水稻。,Now,many years later,Dr Yuan has another dream:to export his rice so that it can be grown around the globe.,在很多年后今天，袁博士还有另外一个梦想，那就是他稻谷能够出口并长遍全球。,One dream is not always enough,especially for a person who loves and cares for his people.,一个梦想总是不够，尤其对一个热爱和关心人民人来说更是如此。,第23页,英语必修,4 Unit 2,课文 讲解,语言关键点：,27.(Just dreaming for things,however,-ing,分词词组,-,主语,)costs nothing.,28.asas,像,一样,as tall as;as big as;as huge as;,29.dream with the hope of(producing a kind of rice-ing,分词词组,-,介词宾语,),（,that could feed more people.,定语从句修饰,rice,）,第24页,