Unit 4 Amazing Plants and Animals（知识讲解）2026-2027学年人教版英语八年级上册

该初中英语单元知识清单围绕“人与自然”主题，系统梳理“Amazing Plants and Animals”单元内容，涵盖动植物及环保词汇、形容词副词最高级、名词后缀构词法和改写文章技能，搭建从基础词汇积累到语法规则应用再到篇章写作的递进式学习支架。 清单通过表格分类呈现语法规则（如最高级变化、名词后缀构词）和易混词辨析（tall与high等），标注“one of the most...”等重难点结构，设计写作框架与范文参考，培养学生语言能力和思维品质。随堂练习针对性强，辅助不同基础学生巩固知识，教师可据此精准设计教学活动，提升课堂实效。

Unit 4 Amazing Plants and Animals 知识讲解 一、学习目标 1. learn about amazing plants and animals in nature.(了解自然界中令人惊叹的动植物) 2. master the superlative degree of adjectives and adverbs.(掌握形容词和副词的最高级) 3. learn noun suffixes like -ance, -tion, -ness, -ity.(学习名词后缀构词法) 4. rewrite an article about the blue whale.(改写关于蓝鲸的文章) 二、单元概览 主题语境 人与自然 动植物世界;大问题:什么让动植物如此令人惊叹? Section A 词汇 动植物及自然词汇:amazing, plant, animal, tall, high, deep, long, heavy, fast, beautiful, dangerous, wild, blue whale, weight, ton, heart, beat, ocean, land, forest, desert, connect, importance, protect, nature, environment Section B 词汇 环保与科普词:protect, importance, environment, nature, connect, wild, danger, weight, ocean, desert 重点短语 1. one of the most... 2. the tallest/longest/deepest 3. as we know 4. be connected with 5. take care of 6. in danger 7. protect...from 8. be made of 9. be known for 10. give...to 11. depend on 语法重点 1. 形容词/副词最高级(superlative degree)2. 名词后缀 -ance/-(t)ion/-ness/-ity 构词法 写作任务 改写关于蓝鲸的文章(Rewrite an article about the blue whale) 三、Section A 课文讲解 1. amazing (adj.) 令人惊叹的 指令人惊奇的,修饰物,动词为 amaze。 The blue whale is an amazing animal. What an amazing plant! It is amazing how fast it can run. 2. plant (n.) 植物 指植物,与 animal 相对。 Plants need sunlight and water. This plant grows very fast. Some plants can live in the desert. 3. animal (n.) 动物 指动物,常用 wild animals。 The blue whale is the largest animal on Earth. We should protect wild animals. Some animals live in the forest. 4. wild (adj.) 野生的 指野生的,非驯养的。 Wild animals need our protection. They live in the wild forest. The wild flowers are beautiful. 5. nature (n.) 自然 指自然界,形容词为 natural。 We should protect nature. Nature is full of wonders. The beauty of nature is amazing. 6. environment (n.) 环境 指自然环境,常用 protect the environment。 We must protect the environment. The ocean environment is in danger. A clean environment is important for everyone. 四、Section B 课文讲解 1. connect (v.) 连接 指连接关联,常用 be connected with。 All living things are connected with each other. The bridge connects the two cities. Plants and animals are closely connected. 2. protect (v.) 保护 指保护免受伤害,常用 protect...from...。 We must protect wild animals. She protected her eyes from the sun. It is important to protect the environment. 3. weight (n.) 重量 指重量,动词为 weigh。 The blue whale can weigh up to 150 tons in weight. What is the weight of this box? He is trying to lose weight. 4. danger (n.) 危险 指危险,常用 in danger。 The blue whale is in danger. Some animals are in danger of dying out. We should keep away from danger. 5. importance (n.) 重要性 指重要程度,形容词为 important。 The importance of nature is clear to everyone. We all know the importance of water. She understands the importance of hard work. 五、语法重点 形容词/副词最高级 类型 变化规则 例词 例句 单音节词 加-est tall tallest, fast fastest He is the tallest in our class. 以e结尾 加-st nice nicest, large largest This is the nicest one. 辅音+y结尾 y变i加-est happy happiest, busy busiest She is the happiest girl. 多音节词 前加most beautiful most beautiful It is the most beautiful place. 名词后缀构词法 后缀 含义 例词 例句 -ance 表状态或性质 important importance The importance of water is clear. -tion 表动作或状态 protect protection We need protection from the sun. -ness 表状态或性质 dark darkness The darkness of the ocean is deep. 六、易混辨析 tall 与 high 的区别 形容词 修饰对象 含义 例句 tall 人、树、建筑等 指高度(从上到下) He is the tallest boy in our class. high 山、价格、温度等 指位置高或程度高 The mountain is very high. be made of 与 be made from 的区别 短语 含义 是否看出原材料 例句 be made of 由...制成 能看出原材料 The desk is made of wood. be made from 由...制成 看不出原材料 Paper is made from wood. 七、主题写作 写作任务 改写关于蓝鲸的文章(Rewrite an article about the blue whale) 写作框架 1. 第一段:介绍蓝鲸的基本信息(体型、重量等) 2. 第二段:描述蓝鲸的生活习性和特点 3. 第三段:呼吁保护蓝鲸及其环境 范文参考 The blue whale is the largest animal on Earth. It can grow up to 30 meters long and weigh as much as 150 tons. Its heart is as big as a car, and it beats slowly in the deep ocean. The blue whale lives in oceans all over the world. It feeds on small fish and tiny sea animals. Sadly, the blue whale is now in danger. Humans hunt them for their meat and oil. We must protect these amazing animals. The blue whale is one of the most wonderful creatures in nature. We should take care of them and protect their environment. If we don't act now, we may lose them forever. 八、随堂练习 I. 单项选择 1. The blue whale is one of _ animals in the world. A. large B. larger C. largest D. the largest 【答案】D one of the + 最高级 + 复数名词。 2. She is the _ girl in our class. A. tall B. taller C. tallest D. the tallest 【答案】C 句中已有 the,直接用最高级 tallest。 3. We must _ the environment for our future. A. connect B. decorate C. protect D. remind 【答案】C protect the environment 意为“保护环境”。 II. 词汇填空 1. The blue whale is the _ (large) animal on Earth. 【答案】largest the + 最高级,large 是单音节词,加 -est。 2. We should _ (protect) wild animals from danger. 【答案】protect should 后接动词原形。 3. The _ (important) of nature is clear to everyone. 【答案】importance important 的名词形式是 importance。 第 页 学科网(北京)股份有限公司 $