高中一年级英语必修.pptx

第1页/共54页PoemBy Li Shen Farmers weeding at noon,Sweat down the field soon.Who knows food on a tray,Due to their toiling day.第2页/共54页第3页/共54页1.Have you ever grown any plants?If so,what did you do to grow them?If not,what kind of plant would you like to grow?How will you grow it?第4页/共54页sorghumwheatricecornPotatoes第5页/共54页select the weedsfarming stepsplough the soilturn over the soilsow the seedsremove the weeds fertilize 第6页/共54页Rice.It is said that there are 2.4 billion people to eat rice every day throughout the world.What is the main food in all East Asian and Southeast Asian countries?第7页/共54页If there was no rice one day,what would happen?第8页/共54页In the late 1990s,Brown,an American scholar,came up with the theory of Chinese Menace(威胁威胁),which said that in the 2030s,Chinese population will add up to 1.6 billion,and had the question who would feed the large population in China as well as in the world.第9页/共54页Just at that time,a Chinese scientist declared to the world that China can solve the problem by himself and help to solve the same problem in the world.第10页/共54页Father of Hybrid Rice第11页/共54页 What kind of person is Dr YuanLongping in your mind?happy sad nervous shy prouddreaming第12页/共54页Task 1 Skimming第13页/共54页How can he solve this problem?Super Hybrid Rice第14页/共54页Super Hybrid Ricethe rice that has a high output第15页/共54页Thats how he regards himself.第16页/共54页Task 2 ScanningFind out the main idea of each paragraph.第17页/共54页 Para1 A.Dr Yuans dreams.Para2 B.Dr Yuans personality.Para3 C.Dr Yuans biography.Para4 D.Dr Yuans appearance and his achievement.A PIONEER FOR ALL PEOPLE Match the following headings with the right paragraphs.第18页/共54页Para.1 Dr Yuans appearance and his achievementTask 3 Careful readingQ1:What does Dr Yuan look like?He has a sunburnt face and arms and a slim,strong body.He is more like a farmer than a scientist.Q2:What is his achievement?He grows what is called super hybrid rice,which makes it possible to produce one-third more of the crop in the same fields.True or False:1.Dr Yuan is more a farmer than a scientist.2.Dr Yuans kind of rice is the most suitable for Chinas farmland.FT第19页/共54页Para 2His biographyTimeinformation19301953As a young manLast yearnowBorn in Beijing Southwest Agriculture College Hunger was a great problem Saw the great need for increasing the rice output 200 million tons produced Circulating his knowledge第20页/共54页Para2a.He was born into a poor farmers family.b.He graduated from Southwest Agriculture college.c.In 1950,Chinese farmers produced fifty million tons of rice.d.2 billon tons of rice was produced by growing his hybrid rice.e.He searched a way to increase rice outputs without expanding the area of fields.f.He helps rid the world of hunger by circulating his knowledge in less developed countries.Proper order:uPut Dr Yuans biography in right order.acbedf第21页/共54页Which of the following description about Dr Yuans personality is not true?He is satisfied with his life because he is now rich and famous.B.He cares little about money and fame.C.He would rather work than lead a comfortable life.D.He enjoys a simpler life than most rich and famous people.Para.3 Dr Yuans personality第22页/共54页Para 41.What does“Wishing for things,however,costs nothing.”mean?2.Dr Yuan has dreams not only when he is _ but also when he is_.Dreams are free and everybody can have ideas about what they would like their future life to be.asleepawake第23页/共54页His dreamsPara41)The first dream2)The second dream第24页/共54页Produce a kind of rice that could feed more peopleAs huge as a peanutThe first dream As tall as sorghum As big as a corn 第25页/共54页To export his rice so that it can be grown all over the world第26页/共54页Revision.(personal information)Name:Nationality:Age:Occupation:Education:Dream:Achievements:Hobbies:第27页/共54页Personal information(Resume)Name:Nationality:Birth:Age:Occupation:Education:Personality:Dreams:Yuan LongpingChinese in 1930;in a poor family77Scientist of farmingSouthwest Agriculture College,in 1953 His first dream His second dreamcare little about money and fame第28页/共54页Personal informationAchievements:Hobbies:grow rice that has a high outputcirculate his knowledge abroadgive money to equip others for their research playing his violinlistening to violin musicplaying mah-jongswimmingriding his motorcycle to his rice fields第29页/共54页hard-workingunselfishdeterminedenergeticintelligentconfidentactivemodest第30页/共54页&between Dr Yuan Longping and Jane Goodallsimilaritiesdifferences第31页/共54页1.They spend their lifetime on their researches.2.They make great contributions to mankind and the whole world.3.They have their dreams and make great efforts to make them true.4.They both lead a busy life.5.They love their work with their pure love.6.Theyre selfless and seldom think of themselves.7.During the work,they never give up but just keep on,so theyre determined.第32页/共54页1.They have been doing their researches in different fields.2.They have different ways of working.3.Their receiving education is different.4.The difficulty in working is different for different sexes.5.They two got different results of researches.6.They hold their different dreams.第33页/共54页1.They spend their lifetime on their researches.2.They make great contributions to mankind and the whole world.3.They have their dreams and make great efforts to make them true.4.They both lead a busy life.5.They love their work with their pure love.6.Theyre selfless and seldom think of themselves.7.During the work,they never give up but just keep on,so theyre determined.第34页/共54页1.They have been doing their researches in different fields.2.They have different ways of working.3.Their receiving education is different.4.The difficulty in working is different for different sexes.5.They two got different results of researches.6.They hold their different dreams.第35页/共54页facts about Yuanfacts about Yuans super hybrid rices super hybrid rice capacity(能力能力)Applica-tion(应用应用)Contribu-tionfuturecan produce 1/3 more of the crop in the same fields;more than 60%of therice in China from this hybrid strainbesides China,knowledge being circulated in India,Vietnam and otherless developed countries to increasetheir rice harvestrice harvests being produced twice aslarge;22%of people fed from just 7%of the farmland in China;the UN ridding the world of hungerthe rice being grown all over theworld第36页/共54页T or F 1 Dr Yuan is more a farmer than a scientist.2 Dr Yuans rice is one of the most suitable ways for Chinas farmland.3 Dr Yuan would rather work than relax.4 Dr Yuan has dreams when he is asleep and also when he is awake.5 Dr Yuan enjoys a simpler life than most rich and famous people.第37页/共54页Although he is one of Chinas most famous scientists,Yuan Longping considers himself a farmer,尽管是中国最著名的科学家之一,但袁隆平却把自己看成一个农民,although 相当于though,引导让步状语从句,不与but连用,但可以和yet,still连用.例如:Although I hurried,yet I was late again.尽管我匆匆忙忙,然而我再一次迟到了.第38页/共54页This special strain of rice makes it possible to produce one-third more of the crop in the same fields.这种特殊的稻种使得同样的田地多收获三分之一的常量.make 多用越”make+宾语+宾语补足语”结构:(1)make sb/oneself+过去分词.例如:He cant make himself heard at the meeting.在会上别人听不到他的声音.(2)make sb+不带to的不定式(被动机构加to).例如:What makes you think so?是什么使你这样想?He was made to work at once.他被迫立刻工作.(3)make+sb/sth+形容词.例如:His coming to my my party made me happy.他能来参加晚会使我很高兴.(4)make+sb/sth+n.(宾语补足语如表示某人的职位,头衔,在一定范围之内的独一无二,其前不加冠词).例如:Max made London the base of his revolutionary work.马克思使路伦敦成为革命工作的根据地.We all made him monitor.我们都选他当班长.第39页/共54页Now more than 60%of the rice produced in China each year is from this hybrid strain.(1)more than 意为”多于;超过”,相当于over.例如:We have more than 100 teachers in our school.我们学校有100多名老师.(2)more than 意为”不仅仅是,不只是”,相当于not only.例如:Hibernation is more than sleep.如今,中国每年生产的稻米有60%以上出自这种杂交水稻.第40页/共54页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的巨大需求.as 的用法:(1)as作介词,意为”如;像;作为;以资格”.例如;What does“quake”mean,as in the word“earthquake”?像earthquake 中的quake 是什么意思?(2)as作连词,意为”当时候”,引导时间状语丛句,多表示主,从句谓语动词的的动作同时发生,与while 相近.例如:As she sang,tears came down her cheeks.她一边唱歌,一边流泪.(3)as引导原因状语从句时,相当于because,since,意为”因为,由于”.例如:As he is a qualified doctor,I trust his advice on medical matters.因为他是一位合格的医生,所以在医疗问题上我相信他的建议.(4)as引导方式状语从句或比较状语从句,意为”如,像”.例如:She stayed in bed as the doctor had ordered.她依照医生的嘱咐卧床休息.(5)as引导让步状语从句,意为”尽管”.例如:Young as I am,I know what career I want to follow.尽管我很年轻,但我知道我想从事什么职业第41页/共54页Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields.袁博士在不增加土地面积的基础上寻求达到增收的途径.search,search for,look for 的用法区别(1)search 为及物动词,其宾语可以是人，房屋,衣袋,山,森林等名词,意为”搜索或者搜索某地”.例如:The policeman searched the thiefs room,but found nothing.警察搜了小偷的房间,但什么都没找到.(2)search for 意为”搜索,搜索某人或某物”,而searchfor意为”搜寻某处/某物以找到.”.例如:The policeman searched the thief for a wallet.警察搜小偷的身来寻找一个钱包.(3)look for 意为”寻找”,是常用语.例如:He is looking for his pen everywhere.他在到处找他的钢笔.第42页/共54页Using his hybrid rice,farmers are producing harvests twice as large as before.用他的杂交水稻种子,农民们种出比以前多一倍的粮食.在表示三倍或三倍以上的倍数时,我们通常常用time 一词.用time 表示倍数有以下几种句型:主语+谓语+times+as+形容词+(n.)+as+被比较的内容.例如:We got four times as many people as we had expected.来的人数是我们所预料的四倍.这种句型常用来表示这种句型常用来表示A是是B的多少倍的多少倍主语+谓语+times+形容词的比较级+than+被比较的内容.例如:My books are three times more than yours.我的书比你的书多三倍.这种句型常用来表示这种句型常用来表示A比比B多多少倍多多少倍.主语+谓语+by+times.例如:Compared with that of last year,our coal output has increased by three times.与去年相比,我们的煤常量长了三倍.这种句型常用来表示增长的程度这种句型常用来表示增长的程度.第43页/共54页主语+谓语+times+the size(amount,length)+of+被比较的内容.例如:The earth is 49 times the size of the moon.地球的体积是月球的49倍.这种句型常用于尺寸，体积这种句型常用于尺寸，体积,数量数量,长度等的比较长度等的比较.主语+谓语+times+upon/over.例如:The size of the sun is 1.3 million times over that of the earth.太阳的体积是地球的体积的130万倍.这种句型用来表示这种句型用来表示”超过超过的多少倍的多少倍”.在表示两倍时,我们常用twice 或double.例如:This year we have produced twice as much grain as we did last year.我们今年生产的粮食是去年的两倍.The box is one-third bigger than that one.这个盒子比哪个盒子大三分之一.The output value was 59 percent higher than that in 1976.产量比1976年增长百分之五十九.第44页/共54页DiscussionWhat is happening to these people?第45页/共54页第46页/共54页第47页/共54页第48页/共54页 Hunger第49页/共54页Even if Dr.Yuans dreams come true,can this really solve starvation?第50页/共54页If you had the chance to do something to help end hunger in the world,what would you do?第51页/共54页How to solve hunger?making good use of the waste land developing the technology to inventing a new kind of foodimproving the quality of the soil preventing the pests from eating our crops第52页/共54页Homework:finish the exercise 第53页/共54页23.03.2023感谢您的观看。感谢您的观看。第54页/共54页