01-Unit 5 Period 1 Reading and Thinking-【优学精讲】2025-2026学年高中英语选择性必修第一册教用课件(人教版)

UNIT 5 WORKING THE LAND 1 ［核心单词］ devote shortage tackle boost convince attain assumption overcome expand output estimate comprise generate leisure celebrity vision reality salty urban chemical nutrition poverty organic widespread digest essential alternative depth entirely aspect 返回导航 2 ［重点短语］ devote...to，be comprised of，deep down，at home and abroad，in turn，for instance 返回导航 3 ［重点句型］ 1.given that引导条件状语从句 2.not only...but also... 3.现在分词（短语）作结果状语 ［单元语法］ 主语从句 ［写作任务］ 表达观点的议论文 返回导航 4 ［Problems and Solutions］ soil pollution 土壤污染 lead to loss of soil and water 导致水土流失 face food shortage 面临食物短缺 starve to death 饿死 improve soil productivity 提高土壤生产力 sustainable farming 可持续耕种 solve the problem of... 解决……的问题 keep the ecological balance 保持生态平衡 返回导航 5 ［Crops］ grain n. 谷物；谷粒 yield n. 产量 peanut n. 花生 wheat n. 小麦 pea n. 豌豆 hybrid rice 杂交水稻 返回导航 6 ［Production］ plant vt. 栽种，种植，播种 pesticide n. 杀虫剂，农药 sow vt. & vi. 播种，种 harvest vt. & vi. 收割（庄稼） drip irrigation 滴灌 control pests 防治害虫 pest management 病虫害管理 vertical farm 垂直农场 poor/dry/fertile soil 贫瘠/干旱/肥沃的土壤 返回导航 7 organic/chemical farming 有机/化学耕作 increase/expand the output greatly 极大地提高产量 返回导航 8 话题佳句 1.People tend to love agricultural products grown without the use of fertilizers， pesticides or chemical additives. 人们往往喜欢那些种植过程中未使用化肥、农药和化学添加剂的农产品。 2.Chemical pollution will bring about a threat to agriculture and food chain， and consequently to human health. 化学污染将给农业和食物链带来威胁，进而威胁到人类健康。 返回导航 9 3.The farmers' living conditions have improved significantly ever since the policy of supporting agriculture was introduced. 自从实行支持农业的政策以来，农民的生活状况已经得到了显著改善。 返回导航 10 Period 1 Reading and Thinking 11 1 精读课文 语篇理解 2 自查语基 知能落实 3 创意课堂 点面突破 4 课堂微练 即时检验 12 PART 01 精读课文 语篇理解 13 What does the passage mainly talk about?( ) A.Ways to increase the rice output. B.Yuan Longping's dreams. C.Yuan Longping's super hybrid rice. D.Yuan Longping—an agricultural pioneer. √ 返回导航 14 considered relieve fame or fortune fulfil 返回导航 15 1.Why did Yuan Longping consider himself a farmer?( ) A.He was born in a farmer family. B.He was known as the “father of hybrid rice”． C.He was educated at an agricultural college. D.He continually worked the land in his research. √ 返回导航 16 2.What's the main advantage of hybrid crops?( ) A.They usually attain a higher yield than conventional crops. B.They taste more delicious than conventional crops. C.They look better than conventional crops. D.They can sell better than conventional crops. √ 返回导航 17 3.Which of the following can we know from the passage?( ) A.Yuan Longping lived a life of leisure. B.Most experts on agriculture agreed on the possibility of developing a kind of hybrid rice. C.“Seawater rice” is a kind of rice that has a low output. D.Yuan Longping was not interested in becoming famous or wealthy. 4.How does the author show Yuan's qualities?( ) A.By giving examples. B.By making comparisons. C.By listing numbers. D.By explaining causes. √ √ 返回导航 18 1.However，what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat.（Para.2） ［分析］ 本句中what引导______从句，在从句中作______，谓语动词用单数形式；that引导______从句，在句子中不作成分，没有含义。 ［翻译］ ___________________________________________________ ______ 主语 主语 表语 然而，最让他忧心的是，农民经常歉收，有时甚至严重缺粮。 返回导航 19 2.Today，it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan's hybrid strains，and his strains have allowed China's farmers to produce around 200 million tons of rice per year.（Para.4） ［分析］ 本句中it 作__________，真正的主语是that引导的从句；generated from Yuan's hybrid strains为过去分词短语作__________；“to produce...per year”为动词不定式短语作____________。 ［翻译］____________________________________________________ ________________________________________________________________________________________________________________________ 形式主语 后置定语 宾语补足语 据估计，现在中国国内消耗的约60%的大米是由袁隆平的杂交水稻品种生产的水稻组成的，他的杂交水稻品种让中国农民每年能够生产出大约2亿吨大米。 返回导航 20 3.Given that Yuan's hybrids made him quite wealthy， one might think he would have retired to a life of leisure.（Para.5） ［分析］ 本句中Given that 引导__________从句；he would have retired to a life of leisure是______从句，省略了连词that。 ［翻译］ ___________________________________________________ ________________________________ 条件状语 宾语 考虑到袁隆平的杂交水稻使他变得相当富有，人们可能认为他已经退休，享受闲适的生活。 返回导航 21 Yuan Longping， 1._______（know） as the “father of hybrid rice”， considered himself a farmer. When he was young， 2.______ concerned him most was farmers' 3._________（short） of food to eat， so he chose to study agriculture at college. After graduating in 1953， he worked as a researcher and devoted himself to 4.________ （create） a kind of hybrid rice， which could attain a 5._______（high） yield. In 1974， he succeeded in making it 6.___ known what shortage creating higher a 返回导航 22 reality. Today， about 60 percent of domestic rice consumption in China 7.____________（comprise） of crops generated from his hybrid strains， for which he has received numerous 8._______（award） both in China and abroad. But the humorous old “farmer”， caring little 9.____ celebrity or money， insisted on living a simple life. Despite his advanced years， he kept trying 10.________（fulfil） his dreams of ridding the world of hunger. is comprised awards for to fulfil 返回导航 1.What can we learn from great scientists like Yuan Longping？ ______________ 2.If you have the chance to do something to help end hunger in the world， what will you do? ______________ Open answers. Open answers. 返回导航 24 PART 02 自查语基 知能落实 25 Ⅰ.阅读词汇·识记 选出与单词对应的汉语释义 A.扫把；扫帚；金雀花 B.杂交植（动）物；合成物；混合动力车 C.（动、植物的）系；品种；拉伤；压力 D.展望；想象 E.授粉；传粉 F.高粱；高粱米 G.产量；产出 返回导航 26 1.hybrid n. 答案：B 2.yield n. 答案：G 3.pollinate vt. 答案：E 返回导航 27 4.strain n. 答案：C 5.envision vt. 答案：D 返回导航 6.sorghum n. 答案：F 7.broom n. 答案：A 返回导航 29 Ⅱ.核心词汇·练通 根据语境及汉语提示写出正确的单词 1._______ future challenges 应对未来的挑战 2.face a financial ______ 面临财政危机 3.______ our confidence 增强我们的自信心 4.Chinese ____________ 中国特色 5.______ the people's trust 取信于民 6._______ competition 激烈的竞争 7.__________ technical difficulties 克服技术困难 tackle crisis boost characteristic attain intense overcome 返回导航 30 8.an _______ device 输出装置 9.be __________ of 由……组成 10._________ electricity 发电 11.a life of _______ 一种闲适的生活 12.the study of rocks and _____对岩石和土壤的研究 13.TV __________ 电视名人 14.a few _______ of rice 几粒大米 15.have good _______ 有良好的视力 output comprised generate leisure soils celebrities grains vision 返回导航 31 Ⅲ.拓展词汇·用活 根据提示写出相应的单词 1._______ ［dɪˈvəʊt］ vt.把……献（给）；把……专用于；专心于→devoted adj.忠实的；全心全意的；挚爱的→devotion n.热爱；献身；奉献 devote 2._________ ［ˈʃɔ:tɪdʒ］ n.不足；缺少；短缺→short adj.短的；不足的 shortage 3._________ ［kənˈvɪns］ vt.使相信；使确信；说服→convinced adj.坚信的，确信的；坚定不移的→convincing adj.令人信服的；有说服力的 convince 返回导航 32 4.____________ ［kənˈvenʃənl］ adj.传统的；习惯的→convention n.传统；习惯；习俗；常规→conventionally adv.照惯例，照常套 5.___________ ［əˈsʌmpʃn］ n.假定；设定；（责任的）承担；（权力的）获得→assume v.假定；设想→assuming conj.假设 6.________ ［ɪkˈspænd］vt.& vi.扩大；增加vt.扩展；发展（业务）→expansion n.扩展；扩大 7.________ ［ˈestɪmət］ vt.估计；估价；估算n.估计；估算→estimated adj.估计的→estimation n.估计；评价 conventional assumption expand estimate 返回导航 33 8.____________ ［kənˈsʌmpʃn］ n.消耗；消耗量；消费→consume vt.消费，消耗 9._______ ［riˈæləti］ n.现实；实际情况；事实→real adj.真实的；真正的 10.______ ［ˈsɔ:lti］ adj.含盐的；咸的→salt n.盐 consumption reality salty 返回导航 34 Ⅳ.重点短语·再现 根据语境及汉语提示填入合适的短语 1.Only by experiencing the hardship of life can we learn to understand and ________（关心） others， forming good labor habits. care for 2.（2023·全国甲卷）I would like to introduce a prominent figure in Chinese history， Confucius， who __________________（致力于） education. devoted himself to 返回导航 35 3.It is said that this international medical aid team _______________（由……组成） volunteers with diverse medical backgrounds from different countries. is comprised of 4.___________ （在内心深处）， they realise that happiness can't be bought， but it can be shared. 5.Professor Yang is one of the most influential figures in physics ___________________（在国内外）. Deep down at home and abroad 返回导航 36 Ⅴ.重点句型·呈现 根据课文语境及汉语提示补全句子 1.修辞之明喻 Indeed， his slim but strong body _____________________________ _______________（看起来和千千万万的中国农民一样）， to whom he had devoted his life.（Para.1） was just like that of millions of Chinese farmers 2.what引导主语从句 However， ________________________________（最让他忧心的是） farmers often had poor harvests and sometimes even had a serious shortage of food to eat.（Para.2） what concerned him most was that 返回导航 37 3.it作形式主语 Today， __________________（据估计） about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan's hybrid strains， and his strains have allowed China's farmers to produce around 200 million tons of rice per year.（Para.4） it is estimated that 4.given that引导条件状语从句 ______________________________________________（考虑到袁隆平的杂交水稻使他变得相当富有）， one might think he would have retired to a life of leisure.（Para.5） Given that Yuan's hybrids made him quite wealthy 返回导航 38 5.with复合结构 Long ago， he envisioned rice plants as tall as sorghum， _____________________________________（每一个谷穗都像扫帚一样大）， and each grain of rice as huge as a peanut.（Para.6） with each ear of rice as big as a broom 返回导航 39 PART 03 创意课堂 点面突破 40 1 devote vt.把……献（给）；把……专用于；专心于 【经典例句】 ①（教材P<m></m>）Indeed，his slim but strong body was just like that of millions of Chinese farmers， to whom he had devoted his life. 确实，他瘦削但结实的身躯看起来和他为之奉献了一生的千千万万的中国农民一样。 返回导航 41 ②（2022·全国甲卷）All in all， it is high time that we devoted ourselves to protecting ocean. To protect ocean is to protect ourselves. 总之，现在是我们致力于保护海洋的时候了。保护海洋就是保护我们自己。 （1）devote...to 把……用于；献身；致力；专心（to为介词） devote oneself to 致力于；献身于 （2）devoted adj. 忠实的；全心全意的；挚爱的 be devoted to 专心于；致力于 （3）devotion n. 热爱；献身；奉献；关爱 返回导航 42 【单句语法填空/句型转换】 （1）Her story is a remarkable example of how hard work and _________（devote） can lead to sporting excellence. devotion （2）Volunteers came with carloads of donated clothing and toys. Neighbors devoted their spare time to ________（help） others rebuild. helping 返回导航 43 （3）As the scientist is devoted to his research， he seldom goes to the cinema with his family. →______________________，the scientist seldom goes to the cinema with his family.（形容词短语作状语） →______________________________， the scientist seldom goes to the cinema with his family.（分词短语作状语）［应用文写作之人物描写］ Devoted to his research Devoting himself to his research 返回导航 44 2 convince vt.使相信；使确信；说服 【经典例句】 ①（教材P<m></m>）Yuan was convinced that the answer could be found in the creation of hybrid rice. 袁隆平确信他可以在杂交水稻的培育中找到答案。 返回导航 45 ②I am fully convinced that with the tips above we will become smart online learners and get the most value out of our next class. 我完全相信，有了上面的建议，我们将成为聪明的在线学习者，并从我们的下一堂课中获得最大的价值。 （1）convince sb. of sth./that... 使某人相信…… convince sb.to do sth. 说服某人做某事 （2）convincing adj. 令人信服的；有说服力的 （3）convinced adj. 坚信的；确信的 be convinced that/of... 确信/坚信…… 返回导航 46 【单句语法填空/句式升级】 （1）Researchers have found clear and ___________（convince） evidence that happiness is the key to better health and longer lives.［应用文写作之演讲稿］ convincing （2）She tried hard to convince her parents ______ （let） her travel abroad alone， but they were still concerned about her safety. to let 返回导航 47 （3）She was convinced of her own abilities and participated in the competition with a positive attitude. →______________________________________________________， she participated in the competition with a positive attitude. （形容词短语作状语） Convinced of her；Devoting himself to his research abilities 返回导航 48 3 assumption n.假定；设定；承担；获得 【经典例句】 ①（教材P<m></m>）The common assumption then was that it could not be done. 当时的普遍假设是这是做不到的。 返回导航 49 ②On the assumption that I am chosen to be chairman of the Student Council，I will organize more colorful after-class activities，varying from English speech competitions to outdoor sports. 假如我被选为学生会主席，我将组织更多丰富多彩的课外活动，从英语演讲比赛到户外运动不等。 （1）make an assumption 认为；假定 on the assumption that... 假如/如果…… （2）assume vt. 假定；设想；认为；承担 It is assumed that... 人们认为…… （3）assuming （that）... 假设…… 返回导航 50 【单句语法填空/完成句子/句型转换】 （1）We make an ___________（assume） that everyone invited will turn up at the party and is making preparations. assumption （2）假设天气保持稳定，我们打算按计划举办户外节日活动。 ______________________________________， we plan to hold the outdoor festival as scheduled. Assuming that the weather remains stable （3）People assume that climate change is primarily caused by human activities. →_________________ climate change is primarily caused by human activities. It is assumed that 返回导航 51 4 overcome vt.克服；解决；战胜 【经典例句】（2024·浙江卷1月）She also learned a valuable lesson: sometimes， the only way to overcome a challenge is to break it into smaller， more manageable parts. 她也学到了宝贵的一课：有时候，克服挑战的唯一方法就是将其分解成更小、更易管理的部分。 overcome difficulties/challenges 克服困难/挑战 be overcome by/with... 被（某种情绪）控制；受到……的极大影响 返回导航 52 【完成句子】 （1）既然你已下定决心克服自己的缺点，现在就行动起来吧。 Now that you have made up your mind ________________________ ___________， take action now. to overcome your shortcomings （2）（译林选必一U2）她悲痛欲绝，跳进了他的坟墓。 ________________________， she jumps into his grave.［读后续写之情绪描写］ Overcome by/with sorrow 返回导航 53 5 estimate vt.估计；估价；估算 n．估计；估算 【经典例句】 It is difficult to estimate how many animals lost their lives in the forest fire. 很难估计有多少动物在这场森林大火中丧生。 （1）estimate sb./sth. to be... 估计某人/某物为…… It is estimated that... 据估计…… （2）estimated adj. 估计的 返回导航 54 【单句语法填空/完成句子】 （1）Experts estimate the damage caused by the storm ______ （be） $1 billion， which will significantly impact the local economy. （2）The _________（estimate） time of arrival for the flight is 7 p.m.， although delays can occur due to weather conditions. to be estimated （3）据估计，将近3 000人将参加这次会议。 __________________ nearly 3，000 people will attend the conference. It is estimated that 返回导航 55 6 comprise vt.包括；包含；由……组成 【经典例句】 ①（教材P<m></m>）Today，it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuan's hybrid strains. 据估计，现在中国国内消耗的约60%的大米是由袁隆平的杂交水稻品种生产的水稻组成的。 返回导航 56 ②The book is comprised of several chapters， each dealing with a different aspect of the subject. 这本书由几个章节组成，每一章节都涉及该主题的不同方面。 _______________________________________________________________________________________________________ &1& consist of没有被动语态，也不用于进行时态。 返回导航 57 【单句语法填空/完成句子】 （1）The house ___________（comprise） two bedrooms， a kitchen and a living room has been sold. comprising （2）由专家和医务人员组成的医疗队伍在地震后不久就抵达了现场。 A medical team that _________________________________________ _____________________________________________ arrived at the scene shortly after the earthquake. was comprised of/was made up of/was composed of/consisted of experts and medical staff 返回导航 58 7 given that引导条件状语从句 【经典例句】（教材P<m></m>）Given that Yuan's hybrids made him quite wealthy， one might think he would have retired to a life of leisure. 考虑到袁隆平的杂交水稻使他变得相当富有，人们可能认为他已经退休，享受闲适的生活。 返回导航 59 （1）given that引导条件状语从句，意为“考虑到、鉴于、假如、如果、只要、在有……的情况下”； （2）其他同义表达有considering（鉴于，考虑到）、regarding（鉴于，考虑到）、seeing（鉴于，考虑到）、supposing（假如）、assuming（假定）、provided/providing （如果）、as long as（只要）等。 返回导航 60 【单句语法填空/完成句子】 （1）____________（consider） there are so many challenges to deal with， are you still optimistic about the future of VR? （2）We'll buy everything you produce， _________________（provide） the price is right. Considering provided/providing （3）鉴于你要参加中国诗歌朗诵比赛，我想给你提供一些实际的建议。 ___________________________________________________________________________， I'd like to offer you some practical advice.［应用文写作之建议信］ Given/Considering that you will take part in a Chinese poetry reciting contest 返回导航 61 PART 04 课堂微练 即时检验 62 Ⅰ.品句填词 1.They d_______ a lot of time and energy to volunteer work， bringing warmth and help to those in need. 2.As had been anticipated，the problem referred to at the meeting was ________（解决） in a scientific way. 3.He has a gift for music and enjoys singing in his _______（空闲） time. 4.Environmental ______（危机）， like severe droughts and floods， are becoming more frequent due to climate change. evoted tackled leisure crises 返回导航 63 5.You must admit that your argument is based on a completely false ___________（假设）. 6.I am c_________ that all of you can benefit from the meaningful activity. 7.He __________（克服） a variety of difficulties， and succeeded in coming back to his homeland in 1955. 8.It was e_________ that the cost to rebuild the stadium would be $8 million， so we should adjust the previous design. assumption onvinced overcame stimated 返回导航 64 Ⅱ.词块运用 1.The minute I set my objective， I ___________________________ _______________（致力于实现它）. was devoted to/devoted myself to achieving it 2.I ______________________________________________（坚信诚实的重要性），which will contribute to building a warm and harmonious society. am firmly convinced of the significance of honesty 3.________________________________________（假如火车准时）， we should arrive at the station by 8 p.m. On the assumption that the train is on time 返回导航 65 4.His parents _______________________________ （悲痛欲绝） at his grandpa's funeral. 5.Our class _________________________（由六个小组组成） and each group will discuss some difficult problems after class. were overcome with great sorrow is comprised of six groups 返回导航 66 Ⅲ.根据汉语提示并使用本部分句式结构完成下面的小短文 Dear students， Recently， 1.__________________________________________________（鉴于一些学生经常被看到浪费食物;given that 引导条件状语从句）， I am writing to appeal to everyone to participate in the activity of saving food. given that some students are usually seen wasting food 返回导航 67 First of all， as is well-known， 2.___________________________（每个人最关心的;what引导主语从句） is the food shortages throughout the world. What's more， another reason why saving food is of vital significance is that 3.______________________________________（对农民来说，生产粮食并不容易；it作形式主语）. Therefore， effective measures should be taken to deal with this problem. For example， when eating at the school canteen， buy no more than what you can have. what concerns everyone most it is not easy for farmers to produce food 返回导航 And when eating out， always carry out the cleaning plate campaign and take the leftovers home. I am fully convinced that， 4.__________________________（每个人参与其中；with复合结构）， the phenomenon of wasting food will disappear from our campus. Now， let's take action. with everyone involved in it 返回导航 $