Unit 5 Reading and thinking（ppt课件）-2022新人教版（2019）《高中英语》选择性必修第一册.pptx

1、My lifelong pursuit is to keep all the people away from hunger.Yuan Longpingn.追求;寻找;事业1.Who is the man in the photo?2.What crop is he holding in his hands?3.What do you know about him?Lead-inYuan Longping:father of hybrid ricen.杂交植(动)物;合成物;A Pioneer For All PeopleFather of the hybrid rice1.What does

2、 the title refer to?2.Why is he called a pioneer for all people?3.What will the text talk about?Pre-readinghelp solve the problem of food shortage for China as well as world.The text mainly talks about Yuan Longping,a _ of agriculture in China.He _ his life to producing_.pioneerdevotes hybrid riceWh

3、ile-reading.Read the title and the first sentence of each paragraph.Answer the following questions.1.What kind of writing do you think the text is?A.Narration(记叙文).B.Exposition(说明文).C.Practical writing(应用文).D.Argumentation(议论文).2.Where can you find such a piece of writing?A.A letter.B.A story book.C

4、.A magazine.D.A science report.biography(传记):An introduction to a person.Read the text.Match the main idea with each paragraph.While-readingPara.1Para.2Para.3Para.4Para.5Para.6A.Yuan conducted research and developed hybrid rice.B.Yuan worked hard to fulfil his dreams.C.Yuan considers himself a farme

5、r.D.Yuan decided to study agriculture.E.Yuans innovation has helped to feed more people.F.Yuan cares little for fame or wealth.Structure of the textTitlePara1:Brief IntroductionPara 2:Early life/EducationPara 3:Work experienceWhile-readingPara 4:AccomplishmentsPara 5:QualitiesPara 6:DreamPart 1 Yuan

6、s self-assessmentPart 2(Para.2-4)Yuans contributionsPart 3(Para.5-6)Overall assessment of YuanWhile-reading.Read the text again and choose the best answer.1.Which of the following description about Yuans appearance is not mentioned?A.He has a slim body.B.He has a strong body.C.He is very tall.D.He l

7、ooks more like a farmer than a scientist.2.From the text,we can know that _.A.Yuan Lonping found a way to increase rich harvests by expanding the area of fields B.Yuan Longping is satisfied with his life because he is famous and richC.the first hybrid rice available for farming was developed in 1974

8、D.his way of increasing rich harvests only works in some Asian countries3.What is Yuan Longpings attitude towards money?A.Too much money will cause a lot of troubles.B.He cares little for money.C.Money is not important at all.D.One has to spend all his money on his own research.4.What is the purpose

9、 of the last paragraph?A.To tell us about Yuans dreams.B.To introduce Yuans achievements.C.To have a description of Yuans rice.D.To state the importance of a dream.While-reading5.Whats the main advantage of hybrid crops?A.They can get a higher yield than conventional crops.B.Many famous scientists a

10、re interested in them.C.They are created by Yuan Longping.D.They are self-pollinating plants.Sentence analysis1.Indeed,his slim but strong body is just like that of millions of Chinese farmers,to whom he has devoted his life.小结：“介词+关系代词”既可以引导限制性定语从句，也可以引导非限制定语从句，在此结构中，先行词为人时，用whom;先行词为物时，用which.The

11、school _ my brother once studied is very famous.My mother missed her best friend _ she worked in her youth.Tom was the person _ you shook hands.This is a subject _ we have talked a lot.in whichwith whomwith whomabout which2.However,what concerned him most was that farmers often had poor harvests and

12、 sometimes even had a serious shortage of food to eat.what concerned him most是主语从句，what在从句中充当主语。that引导表语从句，只起连接作用，在表语从句中不充当任何成分。_are good doctors.我们最需要的是好医生。_最伤我们感情的是同学的私下评论。What we need mostWhat hurt our feelings most was the personal comment of the classmates.Sentence analysis3.However,whether it

13、was possible to develop a hybrid of self-polinating plants such as rice was a matter of great debate.whether it was possible to.是由whether引导的主语从句，当主语从句充当主语时，谓语动词一般用单数。a matter of.的事翻译：他是否要来，还没有决定。Whether he will come has not been decided.a matter of time 时间早晚的事时间早晚的事a matter of life and death 生死攸关的事生

14、死攸关的事Sentence analysisfind the information and answer the questions.Why did Yuan decide to study agriculture?He was concerned that farmers had poor harvest and food shortage.What does Yuan consider himself as?While-reading设计人员realizedlarger fieldsboost yields Read Para.3 and find how did Yuan Longpi

15、ng develop hybrid rice.worked convincedthe creation of hybrid rice overcameas a researchin 1953 technical difficulties developedhybrid rice in 1974 a challenging question(a great debate/it could not be done)What is the main advantage of hybrid rice?Enabled farmers expand their output greatlyWhile-re

16、ading_of domentic rice consumption produce _ tons of riceper year+=received _ awards60 percent200 millionmany other Read Para.4 and answer the following questions.While-reading4.Given that Yuans hybrids have made him quite wealthy,one might think he would retire to a life of leisure.However,this is

17、far from the case.given that在句中作连词，意思是“鉴于，考虑到”Given that they are inexperienced,theyve done a good job.拓展：given可作介词，表示“只要是；考虑到；假定”Given his age,he is very strong and healthy.far from sth表示“远远不；绝非”。far from the case表示“远非如此”，也可说成：far from being the case。其中case表示“情况；情形”。Sentence analysisWhile-readinghi

18、s parents wish VS his own decisionthe general assumption about hybrid rice VS his belieffather of hybrid rice VS farmerWhat writing technique does the writer employ to show Yuan Longpings qualities?retire to a life of leisure VS continue to work the land as a man of the soilContrastEnjoy a poem Homework:完成课本完成课本P51练习练习