U5.1 Listening and Speaking(Ⅰ)-【创新教程】2025-2026学年高中英语选择性必修第一册五维课堂同步课件PPT（人教版2019）

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Why 和because引导的名词性从句， 分别作主语和表语。 写作任务 表达观点的文章 [读图探新] Talk about the following questions in pairs and answer them. 1．What is Picture A about? Where is it taken? 　About food shortage/Children going hungry/Children suffering from hunger.　 　Taken in Africa 　 2．What do you know about Yuan Longping? (Chinese is also acceptable)． 　He is one of the greatest scientists, who developed hybrid rice.　 3．What can we do for the hungry people? 　Various answers.　 4．Do you know what organic farming is ? 　Organic farming is simply farming without using any chemicals.　 Section Ⅰ　Listening and Speaking &Reading and Thinking(Ⅰ) A PIONEER FOR ALL PEOPLE Yuan Longping, known as the “father of hybrid rice”， is one of China's most famous scientists. Yet, he considers himself a farmer because he continually works the land in his research. Indeed, his slim but strong body is just like that of millions of Chinese farmers, to whom he has devoted his life　 [1]． [1]此处为“介词＋关系代词”引导的非限制性定语从句，修饰先行词millions of Chinese farmers。devote...to...为固定搭配，故介词用to。 Yuan Longping was born in 1930 in Beijing. His parents wanted him to pursue a career in science or medicine. However, what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat　 [2]. To tackle this crisis, he chose to study agriculture and received an education at Southwest Agricultural College in Chongqing. [2]画线部分为主从复合句。其中what concerned him most 为what 引导的主语从句，what 在从句中作主语；that farmers often...to eat 为that 引导的表语从句。 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 convinced 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 self­pollinating plants such as rice　 [3]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 greatly. [3]画线部分为whether 引导的主语从句，在主语从句中it 为形式主语，真正的主语为后面的不定式短语to develop...such as rice。 Today, it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan's hybrid stains, and his strains have allowed China's farmers to produce around 200 million tons of rice per year 　[4]，Yuan's innovation has helped feed not just China, but many other countries that 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. [4]此处it 为形式主语，真正的主语是that about 60...per year。 在that引导的从句中，主语about 60 percent of domestic rice consumption 由“百分数＋of＋名词”构成，谓语动词的数应与名词保持 一致， 因为domestic rice consumption 为不可数名词，故谓语动词用is。 generated from Yuan's hybrid strains 为过去分词短语作后置定语，修饰crops。 Given that Yuan's hybrids have made him quite wealthy 　[5], 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 money. Instead, he makes large donations to support agricultural research. [5]“given ＋ that 从句”表示“考虑到……”，相当于considering(that)．..，引导条件状语从句。 What impresses people most about Yuan Longping is his ongoing ability to fulfil 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 producing 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. 造福全人类的先驱者 袁隆平被称为“杂交水稻之父”， 是中国最著名的科学家之一，但他认为自己是个农民，因为他的研究一直都是在田地里进行。事实上，他瘦削但结实的身躯看起来和他为之奉献一生的千千万万的中国农民一样。 袁隆平1930年生于北京，他父母曾希望他从事科学或医学事业。可他最关心的是，农民经常收成不好，有时甚至会严重缺粮。为了应对这一危机，他选择研究农业，并在重庆的西南农学院接受教育。 1953年毕业之后，他从事研究工作。袁隆平意识到，更多的耕地并不是解决问题的办法，农民们需要增加他们现有土地上农作物的产量。在当时，如何做到这点是个具有挑战性的问题。袁隆平确信，答案能在研发杂交水稻中找到。杂交作物就是同一物种的两个或多个品种之间的混合。杂交作物的一个特点是它们的产量通常比传统作物(产量)高。然而，是否有可能研发出水稻这样的自花授粉作物的杂交品种，引起了巨大争议。当时的普遍假设是这无法做到。经过不懈的努力，袁隆平克服了巨大的技术困难，于1974年，研发出首批可用于农业的杂交水稻。这种杂交水稻让农民极大地增加了产量。 据估算，现在中国国内消费的大米有大约百分之六十来自袁隆平的杂交水稻，他的杂交水稻品种让中国农民每年能够生产出大约两亿吨大米。袁隆平的创新不仅为中国，也为许多其他依赖大米的国家，如印度和越南提供了食物。由于他的杰出贡献，袁隆平在国内外斩获了无数奖项。 考虑到杂交水稻使袁隆平变得相当富有，人们可能认为他会退休享受闲适的生活。然而，事实远非如此。事实上，袁隆平在内心深处依然是一个农民。他是个跟土地打交道的人，毫不在意名或利。相反，他捐出巨资以支持农业研究。 袁隆平给人印象最深的是他不断实现梦想的能力。很久以前，他曾设想水稻植株高度比肩高粱，稻穗大如扫帚，稻米大如花生。他成功生产出供国内外更多人口食用的大米。他对“海水稻” 的最新设想也已成为现实，有可能将在中国开辟近100万平方公里的盐碱地用于水稻生产。尽管年事已高，袁隆平内心依旧年轻且充满憧憬，人们都在期待他的下个梦想。 Ⅰ.Reading for main idea. 1．What is the main idea of the text? The text is about the agriculture 　pioneer　，Yuan Longping, who is the “father of hybrid rice” and 　his contributions　 to the world. 2．Match the main idea with each paragraph. ①Paragraph.1 　A．Yuan Longping's research of the first hybrid rice ②Paragraph.2 B．Yuan Longping's attitudes towards life ③Paragraph.3 C．Yuan Longping's invaluable contributions to China ④Paragraph.4 D．Yuan Longping does agri­culture research ⑤Paragraph.5 E．Yuan Longping's next dream ⑥Paragraph.6 F．Yuan Longping's ambition and his education 答案：①－D　②－F　③－A　④－C　⑤－B　⑥－E Ⅱ.Reading for details. 1．Why does Yuan Longping choose to work the land? A．Because he was born into a farmer's family. B．Because he needs to do his research on farming. C．Because he takes a great interest in farming. D．Because he cares little for money or celebrity. 答案：B 2．What can we know from the text? A．Yuan Longping found a way to attain higher yields by expanding the area of fields. B．Yuan Longping leads a life of leisure after his retirement. C．In the 1950s or so, many parts of the countryside were short of food to eat. D．His way of increasing rice harvests only works in China. 答案：C 3．What is Yuan Longping's attitude towards money? A．He is not interested in money. B．Money is of no use to a scientist. C．Money isn't important at all. D．All his money should be spent on his own research. 答案：A 4．What does the passage mainly talk about? A．How to solve the world's hunger problem. B．How to increase rice yields. C．Yuan Longping's achievements in farming. D．Yuan Longping's farming life. 答案：C 5．What can we learn from Paragraph 5? A．Yuan Longping is indeed a farmer. B．Yuan Longping hopes to be a farmer at heart. C．Yuan Longping has retired to a life of leisure. D．Yuan Longping shows no interest in wealth and fame. 答案：D Ⅲ.Post­reading. Fill in the blanks and try to recite the summary. Yuan Longping, known as the “father of hybrid rice”， is one of China's most famous 1.　scientists.　Yet, he considers himself a 2.　farmer　 because he continually works the 3.　land　 in his research. What concerned Yuan Longping most was that farmers often had 4.　poor　 harvests. To tackle this crisis, he chose to study 5.　agriculture　. He was convinced that the answer could be found in the creation of hybrid rice. It enabled farmers to expand their output greatly. Today, it is estimated that about 60 percent of domestic rice 6.　consumption　 in China is comprised of crops generated from Yuan's hybrid strains. Yuan Longping has received numerous 7.　awards　 both in China and abroad. Given that Yuan's hybrids have made him quite 8.　wealthy　， one might think he would retire to a life of 9.　leisure　. Instead, he makes large donations to support agricultural 10.　research　. $$