Unit 4 Amazing Plants and Animals Section A 1a-1d课件2025-2026学年人教版英语八年级

该初中英语课件围绕“4种神奇动植物”主题，整合形容词运用、最高级语法、听说技能及发音训练，通过“思考动植物重要性”导入，经图片识别、词汇匹配、对话练习到听力与语法应用，构建从感知到实践的学习支架。 其亮点在于情境化设计融合语言能力与思维品质，如听力对话用“heaviest/largest”等最高级描述生物，训练比较推断思维；细化双元音及句子重音教学，提升表达准确性。分层作业满足不同需求，助力学生自主学习，教师可借丰富音频与活动设计高效实施差异化教学。

Why are plants and animals important for us in this earth ? Animals and plants are important for keeping ecological balance(生态平衡), giving resources(资源), regulating（管理） the climate, and enriching human life in lots of ways. Look and think the questions below. What can plants and animals do ? What’s this in the picture? moss [mɔs] 苔藓；地衣 What can moss do for us ? It can protect the soil and keep water. What does moss make you feel? wet, small and dark green. What’s this in the picture? redwood tree 红木树 最具标志性的高大树种之一，以其惊人的体型、悠久的寿命和独特的生态价值闻名 What can redwood tree do for us? tall, and old What does moss make you feel? It gives us oxygen(氧气)and provides wood. What’s this in the picture? blue whale 蓝鲸 huge , heavy What can blue whale do for us? What does blue whale make you feel? keep the ocean life balanced What’s this in the picture? cheetah [ˈtʃitə] 猎豹 What does cheetah make you feel? fast, strong and scary What can cheetah do for us? keep the natural environment balanced Do you remember how to name the animals or plants in the pictures below? cheetah blue whale redwood tree moss beautiful big fast heavy large long old small tall short 1a Look at the plants and animals. Use the words in the box to talk about them. W What do you think of ... It’s so... Let’s use another way to talk about animals and plants. What's the largest animal in the world? The tiger is large. but the lion is larger than the tiger. The elephant is the largest in the three. What these three animals make you feel? They are large animals. blue whale It’s also the heaviest animal. What do you think of these three animals They are fast animals. The ostrich is fast. The antelope is faster. The cheetah is the fastest. The cheetah is the fastest animal in the world. Dawn Redwood 水杉 Ginkgo银杏树 moss苔藓 What do you think of these three animals They are old plants Dawn Redwood is old. Ginkgo is older. The moss is the oldest. What do you think of these peacocks? They are beautiful The brown peacock is beautiful The blue peacock is the most beautiful in the three. The white peacock is more beautiful than the brown one fast-faster-the fastest old-older-the oldest large-larger-the largest heavy-heavier- the heaviest beautiful-more beautiful-the most beautiful When comparing three or more things, we can use the superlative form of adjectives. 最高级 Pre-listening Let’s predict What’s the laragest animal in the world right, it’s also the heaviest animal in the world. It’s the blue whale, right? What do you think they are doing? 1b Listen to the conversations and number the plants and animals in the order you hear them. Emma: Hi,Yaming.What are you doing? Yaming: Hi,Emma.I'm starting a __________ on animals and plants. Emma: Sounds fun.Let's take it together. Yaming: OK.First question.What's the _________ animal in the world? Emma: It's the _____________,right? Yaming: Right.It's also the ____________animal on earth.Next question.Which animal runs the__________? Emma: Oh wait!I just read about it.The cheetah runs the fastest. Yaming: Right again!And I think it's the_________________animal in the world. Emma: I completely agree with you. 1b Listen again and fill in the blanks test largest blue whale heaviest fastest most beautiful Yaming: Now let's answer the questions about plants.What is _________plant in the world? Emma: Hmm,I'm not sure.Do you have any idea? Yaming: Well,I think moss is one of _________ plants.It appeared on earth around 470 million years ago.Oh, look here.I'm correct! Emma: Interesting! Let's go on! Yaming: Which kind of tree is _________ in the world? Emma: The redwood tree,right? Yaming: Yes!I hope I can see some some day. Conversation2 oldest the oldest the tallest 1C Listen again. Match the words with the plants and animals in 1a. Some have two answers. heaviest largest most beautiful oldest tallest Ask and answer questions about the plants and animals in 1a What’s amazing about the blue whale? It’s the largest/biggest animal in the world. Name Question& Answer moss（苔藓） — What’s amazing about moss? — It’s very small but can grow on rocks. （虽小却能长在岩石上 ） blue whale（蓝鲸） — What’s amazing about the blue whale? — It’s the largest and heaviest animal in the world. （世界上最大、最重的动物 ） redwood tree（红杉树） — What’s amazing about the redwood tree? — It’s one of the tallest and oldest trees on Earth. （地球上最高、最古老的树之一 ） cheetah（猎豹） — What’s amazing about the cheetah? — It’s the fastest land animal, running like a lightning. （陆地上最快的动物，跑起来像闪电 ） You can refer the table below. 双元音 /eɪ/ /aɪ/ /ɔɪ/ Pronunciation 双元音[aɪ] [aɪ] 书写格式 口腔定位 发音示例 起点的位置与大体一致，然后滑向[i]音 唇形由中性渐变为松驰扁唇 25 双元音[ɔɪ] [ɔɪ] 书写格式 口腔定位 发音示例 1.起点的舌位在[ɔ]与[ɔ:]之间，然后向[i]滑动 2. 唇形由圆唇渐变为中性 26 双元音 [eɪ] [eI] 书写格式 口腔定位 发音示例 1.先发[e]音，然后滑向[I]音 2.起点e的开口要比单发e相同或略小一些 3.前重后轻 Tips: 老师可以慢速呈现从 e 到 I 的这个口型的变化。 27 辅音连缀 Listen and repeat. Add one more word to each group. paint light point blouse click glove brave cream great 2. Listen and repeat. Notice the difference in stress and meaning of the same sentence. 核心概念： 句子重音改变语义（一句话，重音不同，意思不同！） I 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 1.：I visited the redwood forests in California several times. 标绿的 redwood 读重音（声音响、拖长一点），意思是： → 我去的是红杉林，不是其他森林（比如松树林、柏树林）！ 读的时候，夸张把 “redwood” 重读，其他词轻读，对比感受。 2. I visited the redwood forests in California several times. 标绿的 California 读重音，意思是： → 我去的是加州的红杉林，不是其他地方的 重读 “California”，强调地点的唯一性。 3. 第三句：I visited the redwood forests in California several times. 标绿的 several 读重音，意思是： → 我去了好几次红杉林，不止一次！ 带读技巧：重读 “several”，突出次数多。 Homework 一、基础层作业（夯实词汇与基本表达 ） 词汇匹配：用 1a 方框里的形容词（beautiful/big 等 ），给 1a 四种生物（苔藓、蓝鲸等 ）各选 2 - 3 个精准描述 二、提升层作业（强化听力关联与比较思维 ） 听力复现：重听 1b、1c 音频，用 1c 里的最高级（heaviest/largest 等 ），给 1a 生物标注对应特质 三、拓展层作业（拓展知识与创意输出 ） 知识延伸：查资料，给 1a 生物补充一个教材外的 “amazing 特质”，用英语简单描述，如 “Redwood trees can live over 2,000 years. They’re really old!” 。 Lavf58.20.100 Lavf58.20.100 kmkm1170 kmkm1170 101664.0 Lavf57.83.100 Lavf58.20.100 $$