Unit 4 Amazing Plants and Animals Section A (1a-1d) （课件）人教版（2024）八年级英语上册

2025人教版英语八年级上册Section A, Unit 4Amazing Plants and AnimalsSection A (1a-1d)&PronunciationLearning ObjectivesIn this unit, you will:1. talk about some amazing plants and animals.2. use superlatives to compare more than two things.3. discuss the connection between plants, animals, and our lives.4. explore why plants and animals are important to us.Look and ShareWhat do you see in the photo?What do you think of when you see the photo?Two bees are working hard to collect nectar(花蜜).Bees are important.They help with the pollination(授粉) so the plants can grow and flowers can make seeds(种子).Do you know the following plants or animals?Look at the plants and animals. Use the words in the box to talk about them.beautiful big fast heavy large long old small tall shortListen to the conversations and number the plants and animalsin la in the order you hear them.1234Listen again. Match the words with the plants and animals in 1a. Some have two answers.blue whale:______________1blue whale:______________3A. heaviest B. largest C. most beautifulD. oldest E. fastest F. tallestA BDcheetah:______________2redwood tree:____________4A. heaviest B. largest C. most beautifulD.oldest E. fastest F. tallestFC EAsk and answer questions about the plants and animals in la.Listen and repeat. Add one more word to each group.daygamewaitlikecrylightboynoiseblockbloodclearclassglovegluebrushbreakcrazycreategradegreenI visited the redwood forests in California several times.(not other forests)I visited the redwood forests in California several times.(not other places)I visited the redwood forests in California several times.(not only once)Listen and repeat. Notice the difference in stress and meaning of the same sentence.句子重音（Sentence Stress）表意重音:表意重音是一种非常普遍的现象。一般来说，在句子中需重读的词都是实词，不重读的词多为虚词或结构词。•逻辑重音:逻辑重音的作用是表达说话者的意愿，说话者可以把重音放在想要强调的任何单词上。•情感重音:情感重音是一种特殊的重音。在口语中，当说话者想要表达强烈的情感时，他会把强重音放在他想要强调的词上。U4, G8, AU4, G8, AShe's the tallest girl in our class. 她是我们班最高的女孩。This is the most interesting book in the library.这是图书馆里最有趣的书。He is the most hard-working student of all.他是所有学生中最勤奋的。Among these flowers, the red one is the most beatiful.在这些花中，红色的那朵最漂亮。The Yellow River is the second longest river in China.黄河是中国第二长的河流。This is the third most popular song this month.这是本月第三受欢迎的歌曲。Beijing is one of the biggest cities in the world.北京是世界上最大的城市之一。She is one of the most excellent students in her school. 她是学校里最优秀的学生之一。China is larger than any other country in Asia.中国比亚洲任何其他国家都大。He runs faster than any other student in his class.她比班上任何其他学生跑得都快。She is taller than the other girls in her group.她比她组里的其他女孩都高。Ths book is more interesting than the other books on the shelf.这本书比书架上的其他书都有趣。U4, G8, AU4, G8, AU4, G8, A植物基本特征自养性细胞结构生长发育对不同环境的适应性分类孢子种子藻类苔藓蕨类裸子植物被子植物双子叶单子叶结构与功能根茎支撑植物固定植物吸收水分和无机盐运输养分叶光合作用蒸腾作用花繁殖器官果实保护和传播种子种子繁殖后代U4, G8, ABIG QuestionWhat makes plants and animals amazing?Look and share1.I see two bees on yellow flowers.2.When I see the photo, I think about spring, the smell of flowers, and the bees flying.U4, G8, Avideo watchingU4, G8, Aold, sshort, smalllarge, big, heavy, lomg, beeautifultall, beautifulfast, beautifulU4, G8, A1.blue whale2.cheetah3.moss4.redwood treeU4, G8, AmossBlue whaleRedwood treeCheetahDB,AFE, CU4, G8, AA: What's amazing about the blue whale?B: It's the largest animal in the world. It;s also the heaviest.A: What do you know about cheetah?B: The cheetah runs the fastest.A: What's amazing about the redwood?B: It's one of the tallest and longest-living trees in the world.A: What do you know about moss?B: It can grow in different kinds of environments and plays a key role in keeping soil moist(潮湿的) and preventing erosion(腐蚀)_.U4, G8, AmakewaitplayfivetrynightboycoinoilblankblockblameclassclearcloseglueglowglovebreakbreathbridgecrabcrashcropgreengroupgramU4, G8, A背景与用途这种练习帮助学生理解英语中“重音不同，语义侧重点不同”的语音规则，提升口语表达的准确性和对语义的理解能力，同时也涉及到红杉林（redwood forests）的地理知识----红杉林主要分布在加利福尼亚，是世界上著名的高大森林景观。U4, G8, AStreesing different wordsI don't like this film.( I don't like it, but others might like it.)I don't like this film. (Correcting someone who said you liked it.)I don't like this film. (Emphasizing not liking it.)I don't like this film. (I don't like this film, but I might like others.)I don't like this film. ( It is the film that I don't like.)In pairs, have the students read the sentences and stress different words.She is a good player.I think he's lying.This is a great opportunity.You should come with us.I will bring a cake tomorrow.U4, G8, Asymbollargestoldestmost usefulThe Shunan Bamboo Sea is a bamboo forest in Sichun Province. It is the oldest and largest bamboo forest in China. It covers over 120 square kilometres and is popular with tourists, who like to take photos there. It has also been used in many films. There are lakes and viewing platforms to enjoy the spectacular(壮观的) scenery.Note1) one of +the+（最高级形式）+复数名词----最......之一 强调某事物属于某个类别中最突出或典型的代表之一，或描述具有最高级属性但并非唯一的事物，例如：Beijing Opera is one of the most traditional art forms in China.京剧是中国最传统的艺术形式之一。She's one of the most experienced teachers in this school. 她是这所学校里经验最丰富的教师之一。2) fastest-growing 是个合成词， 由“副词最高级+动词-ing形式”构成，用于描述事物的发展特征。类似的例子如“best-selling”（最畅销的）、“most-damaging”(破坏性最强的)U4, G8, A1.Ella sees a painting of bamboo on the folding fan.2.Bamboo often appears in Chinese paintings because it is a symbol of goodness in Chinese culture.3.The Bamboo Sea is in Sichuan Province.4.People use bamboo for many things, such as building houses and making tools and instruments.5.Yes, she is. Because she says, "Oh, that's interesting." She also keeps asking questions about bamboo.U4, G8, Athe Bamboo Seagoodnesslargestoldestalmost one metrehousestoolsinstrumentspandaspeopleU4, G8, AWith the following emotionsElla: excitedly, closely, with a sudden realization, in surprise, with exclamationChen Jie: with a smile, nodding, proudly, carefully,U4, G8, Ait is because it is such a wonderful plant. Firstly, it has a symbolic meaning for people here. It is considered a symbol of virtue(道德), and as such appears in many Chinese poems and paintings.B: That's interesting. I tried some bamboo shoots for lunch. They were sweet and crunchy(松脆).A: Yes, they are. Bamboo has many other uses, other than food. It is also used to make books, containers, and even clothes. It is popular in buildings too, because it is so strong.B: How long does it take fro a bamboo plant to grow?A: Bamboo grows very quickly. Some bamboo can grow almost one metre in one day. B: Wow, that's amazing.feel free (to do sth) 允许， 用作邀请或让对方放心去做某事，意思是：请自便；请随便（做某事）。例如：Feel free to reach out if you need any help. 如果需要帮助，随时联系我。Feel free to ask questions if you don't understand. 你要是不懂，可以随便提问。Please feel free to make suggestions. 请随便提建议，不要拘束。Please feel free to say what you like. 请畅所欲言。 U4, G8, A最高级构成类型U4, G8, Athe cutestthe most beautifulthe most colourfulthe highestthe largestheaviestNote1) among表示范围，相当于of all，表示“在所有......中”。例如：That book is the best among modern novels.在现代小说中， 那是最好的一部。2) among放在最高级形容词之前，表示“......之一”。例如: Leeds is among the largest industrial towns in England. 利兹是英格兰最大的工业城市之一。The Yangtze is among the largest rivers in the world. 长江是世界上最长的河流之一。Shelly is among the world's greatest poets.雪莱是世界上最伟大的诗人之一。U4, G8, Athe most ancientthe most beautifulthe bestthe most commonthe most popularU4, G8, A