Unit 5 Period 3 Developing ideas&Presenting ideas（课件PPT）-【学霸笔记·同步精讲】2025-2026学年高中英语选择性必修第一册（外研版）

该高中英语课件围绕“植物间的交流”主题，通过精读课文理解（主旨、细节题）、语基自查（词汇、语法、句型）、创意课堂（重点词汇句型讲解）及课堂微练，搭建从输入到输出的学习支架，帮助学生系统掌握语篇理解与语言运用知识。 其亮点在于融合科学主题与语言学习，通过语篇分析提升语言能力，结合应用文写作（如道歉信、传统文化描述）培养思维品质，借助即时检验巩固学习效果。教师可高效开展分层教学，学生能在真实语境中提升综合语言运用能力，落实核心素养发展。

Period 3 Developing ideas & Presenting ideas 1 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 2 PART 01 精读课文 语篇理解 3 &1& 〈教材助读+语基默写〉见分册本 What does the passage mainly talk about?( ) A.Whether plants can talk with each other. B.The secret between plants and humans. C.How people can communicate with plants. D.The ways that plants communicate with each other. √ 返回导航 4 1.What is the main idea of the first two paragraphs?( ) A.Marco Polo spent most of his time studying plants. B.There are some legends about talking trees. C.In the movie Avatar，trees can save people. D.New research has revealed that plants appear to be able to communicate. √ 返回导航 5 2.How can bean plants communicate?( ) A.Through calling for help. B.Through driving insects away. C.Through making special sounds. D.Through releasing chemicals. √ 返回导航 6 3.What can we infer from paragraph 4?( ) A.All the plants can make noises with their roots. B.Only chilli plants can tell if a neighbouring plant is helpful or unfriendly. C.When some plants make clicking noises，perhaps they suggest drought is coming. D.People can't hear the noise created by plants because they can't use sound to communicate with them. √ 返回导航 7 4.Where might the passage come from?( ) A.A guidebook. B.A history textbook. C.A science magazine. D.A newspaper advertisement. √ 返回导航 1.___ has been believed for a long time that talking plants are fantasy. But new research has revealed that they really can communicate 2._____ each other. Some plants are believed to communicate with each other through chemicals. When 3.________（attack） by insects, they release tiny amounts of chemicals. This is like a warning or a call for help. When other plants detect 4.____ warnings, they release their own chemicals to drive insects away. Some of the chemicals also attract wasps to kill these insects. It with attacked the 返回导航 9 More 5.___________（surprising）, plants also use sound 6._______________（communicate） with each other though people can't hear the sound. Some plants make noises with their roots. Some plants “listen” to the noises from other plants and tell if their neighbouring plants are 7._______（help） or unfriendly. Some plants make clicking noises, 8.__________（indicate） that drought is coming. Most surprisingly of all, plants can form the “wood wide web” to share information or even food with each other. surprisingly to communicate helpful indicating 返回导航 9._________（science） are learning more every day about the secret ways in 10._______ plants communicate with each other. Scientists which 返回导航 11 PART 02 自查语基 知能落实 12 Ⅰ.阅读词汇·识记 选出与单词对应的汉语释义 A.辣椒 B.网络犯罪 C.（古代的）神话 D.真菌的 E.黄蜂 F.杀虫剂，农药 返回导航 13 G.真菌 H.陆龟 I.遍及全世界 J.（动植物的）刺，刺毛 K.山羊 L.巨大的，特大的 M.梳状的 1.tortoise n. 答案：H 返回导航 14 2.goat n. 答案：K 3.worldwide ad. 答案：I 4.giant adj. 答案：L 5.comb-like adj. 答案：M 返回导航 15 6.spine n. 答案：J 7.myth n. 答案：C 8.wasp n. 答案：E 9.pesticide n. 答案：F 返回导航 16 10.chilli n. 答案：A 11.fungus n. 答案：G 12.fungal adj. 答案：D 13.cybercrime n. 答案：B 返回导航 17 Ⅱ.核心词汇·练通 根据语境及汉语提示写出正确的单词 1.genetic _____________ 遗传特征 2.a rapid ________ 迅速的下降 3.have yourself to _______ 怪你自己 4._________ tribes 原始部落 5.tree ______ 树根 characteristics decline blame primitive roots 6.a camera _______ to a computer 一台与计算机相连接的摄像机 linked 7.be around 20 ___________ in diameter 直径大约20厘米 centimetres 返回导航 18 Ⅲ.拓展词汇·用活 根据提示写出相应的单词 1._______ n.传说，传奇（故事）→legendary adj.传说的；非常著名的 2._______ v.发现，察觉（尤指不易觉察到的事物）→detection n.发现，察觉；侦查→detective n.侦探 legend detect 返回导航 19 Ⅳ.重点短语·再现 根据语境及汉语提示填入合适的短语 1.The Amazon rainforest is home to many species of plants and animals that _____________（原产于） South America. 2.Even though the recipe only requires _______________（微量的） salt, it still brings out the full flavor of the dish. 3.People thought the banging and popping could help ___________（驱赶） evil spirits and bring good luck to the new year. are native to tiny amounts of drive away 返回导航 20 Ⅴ.重点句型·呈现 根据课文语境及汉语提示补全句子 1.Sb./Sth.+be+过去分词+to do... Alexander the Great and Marco Polo ________________________（据说曾见过） such a tree in India.（Para.1） were said to have visited 2.with复合结构 _____________________（我们一直认为） that talking plants are fantasy, new research has revealed something amazing: it appears that plants can communicate after all.（Para.2） With us long believing 返回导航 21 3.it作形式主语 ___________________________________（人们知道……已经有一段时间了） plants use chemicals to communicate with each other.（Para.3） It has been known for some time that 4.the way作先行词的定语从句 Scientists are learning more every day about ______________________________________________（植物相互交流的秘密方式）.（Para.6） the secret ways in which plants talk to each other 返回导航 22 PART 03 创意课堂 点面突破 23 1 blame v.责怪，指责；把……归咎于 n.责备;指责 【经典例句】（教材P<m></m>）The extinction of the Pinta Island tortoise is blamed on humans. 平塔岛象龟的灭绝归咎于人类。 （1）blame sb./sth.for...因……而责备某人/事 blame sth.on sb.把某事归咎于某人 be to blame （for...）（对……）负责； （因……）应受指责 （2）take/bear/accept the blame for...为……承担责任 lay/put the blame （for sth.） on...（因某事）把责任归咎于…… 返回导航 24 【单句语法填空/语段写作】 （1）（2024·新高考全国卷 Ⅰ）These days you can see traffic jams around schools at drop-off and pick-up times. But it's hard _________（blame） the parents. to blame （2）（北师大选必一U3）Many scientists say we are now entering the Earth's sixth mass extinction. This time, human activity will be _________（blame）. to blame 返回导航 25 （3）当和他人相处时，我们不应该总把错误归咎于他人。因此，我们应该多交流、换位思考，而不是指责他人。 When getting along with others，we shouldn't always _____________________________________________________________________________________. So ________________________， we should communicate more and put ourselves in others' shoes.［应用文写作之人际交往］ blame others for mistakes/blame mistakes on others/put/lay the blame for mistakes on others instead of blaming others 返回导航 26 “be to blame for sth.”意为“应为某事负责或受指责”，其中动词不定式用主动形式表示被动意义。 返回导航 2 decline vi.减少；下降；衰退 vt.谢绝；婉拒 n.减少;下降;衰落，衰退 【经典例句】（教材P<m></m>）After goats in particular had been brought to the island, the Pinta Island tortoise population declined. 特别是当山羊被带上岛后，平塔岛象龟的数量就下降了。 （1）decline by/to... 下降了/到…… （2）decline to do sth. 拒绝做某事 （3）be in decline在下降中；在衰退中 on the decline在走下坡路；在衰退/减少中 返回导航 28 【单句语法填空/完成句子】 （1）（译林选必一U3） In fact, the Northern Song Dynasty was ___ decline by this stage. About twenty years after the Qingming Scroll was completed, it was overthrown. in （2）She wanted him to go shopping with her, but he declined _______（join）, saying he was too busy or didn't have the time. to join 返回导航 29 （3）The number of tourists to the scenic spot has declined ____ 10% in recent years to only 5 million because of various factors such as economic downturn, changes in travel preferences. by （4）非常抱歉拒绝你的盛情邀请，因为我必须去参加一个会议。 _________________________________________， because I have to attend a meeting. ［应用文写作之道歉信］ I'm very sorry to decline your kind invitation 返回导航 30 表示“增加”或“减少”的幅度常用介词by；表示“增加到”或“减少到”常用介词to。 返回导航 31 3 tiny amounts of 微量的 【经典例句】 ①（教材P<m></m>）The plant releases tiny amounts of chemicals from the leaves that are being eaten. （受攻击的）植株从正被啃食的叶子中释放出微量的化学物质。 ②（译林必修三 U4）Even with large amounts of qinghao extract produced, however,they still faced another problem. 然而，即使有大量的青蒿提取物被制造出来，他们仍然面临着另一个问题。 返回导航 32 amount n. 数量，量 v.达到,总计 a huge amount of 大量的 a large/small amount of大/少量的 large/small amounts of 大/少量的 in large amounts大量地 amount to合计；共计；等同于；意味着 返回导航 【单句语法填空/补全句子/完成句子】 （1）It was estimated that money spent on sports-related items amounted ___ ￡9.75 billion last year. to （2）（译林必修三U3）One of the greatest advantages of the Internet lies in the quick and easy access to ___________________________________________________________（大量信息）. a huge amount of/a large amount of/large amounts of information 返回导航 34 （3）俗话说，“懒惰的人在生活中将一事无成。”因此，如果我们想要在生活中取得成功，努力和坚持是很重要的。 As the old saying goes, “Lazy people will not __________________ in life.” So, it's important to work hard and persevere if we want to achieve success in our lives. ［读后续写之主旨升华］ amount to anything 返回导航 35 4 link v.把……联系起来；连接 n.联系；关联 【经典例句】（教材P<m></m>） Most surprisingly of all, plants have an amazing system of communication that can link nearly every plant in a forest. 最令人惊讶的是，植物之间有一个惊人的交流系统，该交流系统可以把森林里几乎每一株植物联系起来。 （1）link...to/with... 将……和……连接/联系起来 be linked to/with...与……有联系 （2）a link with...与……的联系 a link between...and...……和……之间的联系 返回导航 36 【单句语法填空/完成句子】 （1）The new bridge being built now will link the island _______ the mainland, providing a vital transportation connection for the residents. to/with （2）Up to now, more than 360 acupuncture points have been identified, each _______（link） to a different part of the body. linked （3）在中国文化中，红色通常与喜悦和庆祝活动联系在一起，象征着好运和繁荣。 In Chinese culture, ___________________________________________, symbolizing good luck and prosperity.［应用文写作之传统文化］ red is usually linked to/with joy and celebration 返回导航 37 与“link...to/with...”类似的表达还有join...to...、connect...to/with...、associate...with...、relate...to...。 返回导航 38 5 Sb./Sth.+be+过去分词+to do... 【经典例句】（教材P<m></m>）Alexander the Great and Marco Polo were said to have visited such a tree in India. 据说，亚历山大大帝和马可·波罗曾在印度见过一棵这样的树。 返回导航 39 （1）教材原句中“Sb./Sth.be said to do...”句型可转换为“It is said that...”或“People say that...”。该句型中动词不定式有时态和语态的变化： to do（表示一般情况或动作将要发生） to be doing（表示动作正在进行） to have done（表示动作已完成） to be done（表示被动且动作将要发生） to have been done（表示被动且动作已 完成） （2）常用于该句型的过去分词还有thought、believed、suggested、known、reported等。 Sb./Sth. +be +过去分词+ 返回导航 【单句语法填空/一句多译】 （1）The English language is full of idioms which are thought _____________（come） from football. to have come （2）（译林必修二 U2）I discovered that tai chi is deeply rooted in the Chinese philosophy of yin and yang，which are believed ________（form）the unity of opposites. to form 返回导航 41 （3）据说，中国剪纸在中国有着1 500多年的历史，反映了中国人民的传统文化和习俗。 →_____________________________________________________________________ in China, reflecting the traditional culture and customs of the Chinese people. →___________________________________________________________________ in China, reflecting the traditional culture and customs of the Chinese people.［应用文写作之传统文化］ It is said that Chinese paper-cutting has a history of more than 1，500 years Chinese paper-cutting is said to have a history of more than 1，500 years 返回导航 42 PART 04 课堂微练 即时检验 43 Ⅰ.品句填词 1.The talented artist has carved an interesting decoration from this piece of tree _____（根）. root 2.The song originates in a Chinese _______（传说） which tells about an emperor called Wang Di who became a nightingale （夜莺） at last. legend 3.As a matter of fact， many forms of cancer can be cured if d_______ early. etected 返回导航 44 4.Asia and Europe, being two different areas, are l______ together by mountains and rivers. 5.The younger boy b_______ by his teacher for being late for class felt ashamed and promised to be on time next time. 6.The influence of the newspaper has d________ over the years because of the rise of digital media and changing reader habits. inked lamed eclined 返回导航 45 Ⅱ.词块运用 1.The giant panda _______________（原产于中国）is one of the most beloved and endangered species in the world. 2.The Martian atmosphere contains only _____________________（微量的水）, making it a challenge for potential human habitation. 3.The twins seem to be alike ______________（在某些方面）, but they are quite different in terms of their characters. native to China tiny amounts of water in some ways 返回导航 46 4.I need to find a way to ________________________________（摆脱这些消极的想法） and focus on the positive aspects of my life. drive away these negative thoughts 5.At our factory there are a few machines ______________________ _____________（与你公司使用的机器相似）, but with some modifications to suit our production needs. similar to those used in your company 返回导航 47 $