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

1、Unit 5 Reading and ThinkingUnit 5 Reading and Thinking Language pointsA PIONEER FOR ALL PEOPLE Yuan Longping,known as the“father of hybridrice”,is one of Chinas most famous scientists.Yet,he considers himself a farmer because he continually works the land in his research.Indeed,his slim but strong b

2、ody is just like that of millions of Chinese farmers,to whom he has devoted his life.n.先驱；先锋先驱；先锋v.开创；倡导开创；倡导be known as/forone of+adj最高级最高级+n.复，复，谓语动词用单数谓语动词用单数当代最伟大的物理学家之一就是霍金当代最伟大的物理学家之一就是霍金One of the greatest physicists of our time is Hawkingconsider sb(as/to be)认为某人是认为某人是.consider doing sth考虑做某

3、事考虑做某事consider it+adj/n.+to dohis slim but strong body is just like that of millions of Chinese farmers,to whom he has devoted his life.此句为此句为“介词介词+关系代词关系代词”引导的引导的_从句，先行词为从句，先行词为_,devote.to.为固定搭配为固定搭配Eg.1.The school in_my brother once studied is very famous.2.My mother missed her best friend with_sh

4、e worked in her youth.小结：小结：“介词介词+关系代词关系代词”既可以引导限制性定语从句，既可以引导限制性定语从句，也可以引导也可以引导非限制定语从句，在此结构中，先行词为人时，用非限制定语从句，在此结构中，先行词为人时，用whom,先行词为先行词为物时，用物时，用which定语定语millions of Chinese farmerswhichwhomYuan Longping was born in 1930 in Beijing.His parents wanted him to pursue a career in science or medicine.Howe

5、ver,what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat.To tackle this crisis,he chose to study agriculture and received an education at Southwest Agricultural College in Chongqing.a shortage of缺乏缺乏be short of短缺；缺少短缺；缺少be short fo

6、r.缩写缩写shorten.v choose-chose-chosenchoose to do sth选择做某事选择做某事have no choice but to do别无选择只别无选择只能做某事能做某事 what concerned him most was that farmers often had poor harvests.此句是由此句是由what引导的引导的_从句，从句，what在从句中作在从句中作_语；语；此句是由此句是由that引导的引导的_从句，从句，that在此句中在此句中_充当成充当成分，但不能省略分，但不能省略.Eg.事故的起因是未知的事故的起因是未知的What ca

7、used the accident remains unknown.主语主语主主表语表语不不After graduating in 1953,he worked as a researcher.Yuan Longping realised that larger fields were not the solution.Instead,farmers needed to boost yields in the fields they had.How this,could be done was a challenging question at the time.Yuan was convin

8、ced that the answer could be found in the creation of hybrid rice.A hybrid is a cross between two or more varieties of a species.One characteristic of hybrids is that they usually attain a higher yield than conventional crops.However,whether it was possible to develop a hybrid of self-pollinating pl

9、ants such as rice was a matter of great debate.The common assumption then was that it could not be done.Through intense effort,Yuan overcame enormous technical difficulties to develop the first hybrid rice that could be used for farming in 1974.This hybrid enabled farmers to expand their output grea

10、tact/serve/function astreat/regard asthink of.as.refer to.as.solve-solutionevolve-evolutionenable sb to do sth用用convince的适当形式填空的适当形式填空1._(convince)the police of his innocence,the suspect offered several_(convince)facts.2.When I came home,I really considered quitting.However,I convinced myself_(keep)

11、at it and try harder.3.To get this job,you must_(使我使我相信你的能力相信你的能力)before you are employed.4._(我坚信我坚信)that we can get good grades in the mid-term examination if we spare no effort.To convinceconvincingto keep convince me of your abilityI am fully convinced 判断一下句子属于哪一种从句判断一下句子属于哪一种从句1.Yuan Longping re

12、alised that larger fields were not the solution.2.Instead,farmers needed to boost yields in the fields they had.3.Yuan was convinced that the answer could be found in the creation of hybrid rice.4.One characteristic of hybrids is that they usually attain a higher yield than conventional crops.5.whet

13、her it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate.6.The common assumption then was that it could not be done.7.Yuan overcame enormous technical difficulties to develop the first hybrid rice that could be used for farming in 1974Today,it is e

14、stimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains,and his strains have allowed Chinas farmers to produce around 200 million tons of rice per year.Yuans innovation has helped feed not just China,but many other countries that

15、 depend on rice as well,such as India and Vietnam.Because of his invaluable contributions,Yuan Longping has received numerous awards both in China and abroad.组成：组成：be comprised ofbe made up ofbe composed ofconsist ofToday,it is estimated that about 60 percent of domestic rice consumption in China is

16、 comprised of crops(generated from Yuans hybrid strains.)It is estimated that.据统计据统计.，it 是形式主语，是形式主语，that引导的从句引导的从句是真正的主语。在是真正的主语。在that引导的从句中，主语引导的从句中，主语about 60 percent of domestic rice consumption由由“百分数百分数+of+名词名词”构成，谓语构成，谓语动词的数应与名词的数保持一致动词的数应与名词的数保持一致。consumption是不可数名词，是不可数名词，故谓语动词用故谓语动词用is.gener

17、ate from Yuans hybrid strains是过去是过去分词做后置定语。分词做后置定语。Given that Yuans hybrids have made him quite wealthy,one might think he would retire to a life of leisure.However,this is far from the case.Deep down,Yuan is still very much a farmer at heart.As a man of the soil,he cares little for celebrity or mon

18、ey.Instead,he makes large donations to support agricultural research.Given that.在句中做连词，意为在句中做连词，意为“考虑到，鉴于考虑到，鉴于”，相当于，相当于considering(that).,如：如：Given that she is interested in children,teaching seems the right job for her.make+宾语宾语+宾补；宾补；consider,find,think.far from+adj/n远非远非.完全不完全不;far from satisfie

19、d/far from the truthmake a donation/donations to.What impresses people most about Yuan Longping is his ongoing ability to fulfill his dreams.Long ago,he envisioned rice plants as tall as sorghum,with each ear of rice as big as a broom,and each grain of rice as huge as a peanut.He succeeded in produc

20、ing a kind of rice that could feed more people at home and abroad.His latest vision for“seawater rice”has also become a reality,and potentially opened up nearly one million square kilometres of salty land in China for rice production.Despite his advanced years,Yuan Longping is still young at heart and full of vision,and everyone is waiting to see what he will dream up next.become a reality变成现实变成现实turn.into reality使使.成为现实成为现实in reality事实上；实际上事实上；实际上Thank you