Unit 4 The Earth 作文学案- 2025-2026学年沪教版英语七年级上册

2026-01-26
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Unit 4 The Earth 作文学案 【写作导引】 本单元以“The Earth”为核心话题,围绕“地球的神奇之处、海洋的重要性、地球面临的问题及保护措施”展开,核心聚焦“用英语介绍地球知识、描述环境问题、倡导保护地球”,运用there be 句型等基础语法,搭配地球与环保相关基础词汇,提升七年级学生的说明类写作连贯性和表达准确性。常见写作角度包括:① 介绍地球的神奇事实;② 描述地球面临的环境问题;③ 撰写保护地球的倡议;④ 仿写课本“地球保护”风格的短文。所有内容严格贴合课本话题、词汇与语法要求,适配七年级学生认知水平,可直接用于课堂同步训练。 【单元话题】 “保护我们的地球”。请根据课本“Writing”板块范例,介绍地球面临的一个环境问题,分析问题的危害,并提出具体的保护建议,词数80-100左右,题目为“Protect Our Earth”。 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【范文】 Protect Our Earth The Earth is our only home, but it is facing many problems. Plastic pollution is one of the most serious ones. There is too much plastic waste in the sea and on land. Many sea animals eat plastic by mistake and get ill or even die. There are also plastic bags and bottles everywhere in parks and streets, which makes our planet dirty. We must take action to stop it. First, we can use cloth bags instead of plastic bags when shopping. Second, we should recycle plastic bottles and boxes. Third, there are many activities like Beach Clean-up Day—we can join them to pick up rubbish. The Earth provides us with food, water and air. Let’s work together to protect it. A small action from everyone can make a big difference. 【译文】 保护我们的地球 地球是我们唯一的家园,但它正面临许多问题。塑料污染是最严重的问题之一。 海洋和陆地上有太多塑料垃圾。许多海洋动物误食塑料后生病甚至死亡。公园和街道上也到处都是塑料袋和塑料瓶,这让我们的星球变得肮脏。我们必须采取行动阻止它。首先,购物时我们可以用布袋代替塑料袋。其次,我们应该回收塑料瓶和塑料盒。第三,有很多像海滩清洁日这样的活动——我们可以加入其中捡拾垃圾。 地球为我们提供食物、水和空气。让我们一起努力保护它。每个人的一个小小行动都能带来很大改变。 亮点词块 1.plastic pollution 塑料污染 2.plastic waste 塑料垃圾 3.by mistake 错误地 4.take action 采取行动 5.cloth bags 布袋 6.recycle plastic bottles 回收塑料瓶 7.Beach Clean-up Day 海滩清洁日 8.make a big difference 带来很大改变 高分句子 1.There is too much plastic waste in the sea and on land.(运用there be句型描述污染现状,贴合单元语法重点,开篇点题) 2.There are also plastic bags and bottles everywhere in parks and streets, which makes our planet dirty.(用there be句型补充污染场景,逻辑连贯) 3.A small action from everyone can make a big difference.(升华主题,呼吁共同行动,符合七年级写作深度) 【拓展1】 班级要制作“地球知识手册”,请你写一段文字介绍地球的神奇之处,包括地球的构成、生命特征等,词数不少于70。 The Amazing Earth ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【拓展1范文】 The Amazing Earth The Earth is an amazing planet in the solar system. It is our only home that can support life. About 70% of the Earth is covered by the sea, and the rest is land with mountains, forests and deserts. There are high mountains over 8,800 metres and deep sea areas more than 10,000 metres down. There are millions of living things on Earth—plants, animals and humans. Plants make the Earth green and provide oxygen. Animals live in different places, from forests to oceans. The Earth also gives us food, water and air to live. It is amazing that the Earth has everything we need. We should love and protect this wonderful planet. 【拓展1译文】 神奇的地球 地球是太阳系中一颗神奇的行星,它是我们唯一能孕育生命的家园。 地球约70%的面积被海洋覆盖,剩下的是有山脉、森林和沙漠的陆地。地球上有超过8800米的高山,也有超过10000米深的海域。地球上有数百万种生物——植物、动物和人类。植物让地球变绿并提供氧气,动物生活在从森林到海洋的不同地方。地球还为我们提供生存所需的食物、水和空气。 地球拥有我们需要的一切,这太神奇了。我们应该热爱并保护这颗美好的行星。 【拓展2】 请根据以下提示,仿写“给笔友的邮件”,介绍海洋的重要性及面临的问题,运用本单元核心语法,词数80左右,开头已给出。 提示 信息 核心内容 收件人(笔友Lisa)、海洋的重要性(孕育生物、调节气候)、面临的问题(塑料污染、过度捕鱼)、保护建议(减少塑料使用、拒绝过度捕捞) 语言要求 运用there be句型,使用简单现在时,贴合单元语法重点 Dear Lisa, I’m learning about the sea at school recently, and I want to share what I know with you. The sea is very important to our Earth. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 【拓展2范文】 Dear Lisa, I’m learning about the sea at school recently, and I want to share what I know with you. The sea is very important to our Earth. There are thousands of sea animals and plants living in the sea. They make the sea full of life. The sea also helps adjust the climate—without it, the Earth would be too hot or too cold. But there are serious problems now: there is too much plastic in the sea, and some people fish too much. Many fish are disappearing. We must protect the sea. We can use less plastic and ask our families not to buy fish from overfishing. Let’s work together to save the sea and our Earth! Yours, Wang Tao 【拓展2译文】 亲爱的莉萨: 我最近在学校学习关于海洋的知识,想把我知道的分享给你。海洋对我们的地球非常重要。 海里生活着成千上万的海洋动植物,它们让海洋充满生机。海洋还帮助调节气候——没有它,地球会变得太热或太冷。但现在存在严重的问题:海里有太多塑料,而且有些人过度捕鱼,许多鱼类正在消失。 我们必须保护海洋。我们可以少用塑料,并让家人不买过度捕捞的鱼。让我们一起努力拯救海洋和我们的地球吧! 你的, 王涛 本话题作文的一些实用短语与句型积累 一、核心主题词汇 1.地球与环保相关(单元重点) · 地球构成:the Earth 地球;the solar system 太阳系;sea 海洋;land 陆地;mountain 山脉;forest 森林;desert 沙漠;ocean 大洋;atmosphere 大气层 · 环境问题:plastic pollution 塑料污染;air pollution 空气污染;water pollution 水污染;overfishing 过度捕捞;rubbish 垃圾;plastic waste 塑料垃圾;pollution 污染 · 保护行动:protect the Earth 保护地球;recycle 回收;use cloth bags 用布袋;pick up rubbish 捡垃圾;Beach Clean-up Day 海滩清洁日;take action 采取行动 · 语法相关:there be 句型(There is + 单数/不可数名词;There are + 复数名词) 1. 语法相关(单元重点) · there be 句型基本用法: · 表示“某地有某物”,例:There is a big ocean on the Earth.(地球上有一片广阔的海洋。) · 否定形式:There is not(isn’t)/ There are not(aren’t),例:There isn’t much clean water in some rivers.(有些河流里没有多少干净的水了。) · 疑问形式:Is there...? / Are there...?,例:Are there any plastic bags in the park?(公园里有塑料袋吗?) · there be 句型就近原则: · be动词的单复数由靠近它的名词决定,例:There is a book and two pens on the desk.(桌子上有一本书和两支笔。);There are two pens and a book on the desk.(桌子上有两支笔和一本书。) 1. 表达类(单元基础) · 逻辑连接:and 和;but 但是;so 所以;first 首先;second 其次;third 第三;because 因为 · 常用短语:be covered by 被……覆盖;support life 孕育生命;provide sb. with sth. 为某人提供某物;by mistake 错误地;instead of 代替;make a difference 有影响;work together 一起努力 二、实用句型积累 1.介绍地球/海洋(贴合单元核心) · The Earth is our only home. 地球是我们唯一的家园。 · About 70% of the Earth is covered by... 地球约70%的面积被……覆盖。 · There are... living in the sea/on land. 海里/陆地上生活着……。 · The Earth provides us with... 地球为我们提供……。 1. 描述环境问题(贴合单元主题) · There is too much... in/on... ……里/上有太多……,例:There is too much plastic waste in the sea.(海里有太多塑料垃圾。) · There are... everywhere, which makes... 到处都是……,这让……,例:There are plastic bottles everywhere, which makes the park dirty.(到处都是塑料瓶,这让公园变脏了。) · Many... get ill/die because of... 许多……因为……生病/死亡,例:Many sea animals die because of plastic pollution.(许多海洋动物因为塑料污染而死亡。) 1. 提出保护建议(贴合单元内涵) · We can... instead of... 我们可以……而不是……,例:We can use paper bags instead of plastic bags.(我们可以用纸袋代替塑料袋。) · We should... 我们应该……,例:We should recycle glass and plastic.(我们应该回收玻璃和塑料。) · Let’s... to protect... 让我们……来保护……,例:Let’s join clean-up activities to protect the Earth.(让我们加入清洁活动来保护地球。) · A small action can make a big difference. 一个小小的行动就能带来很大改变。 三、课堂实用句型 · 提问句型:What’s the Earth like?;What problems is the Earth facing?;Why is the sea important?;How can we protect the Earth?;Are there many plastic bags in your city? · 回答句型:The Earth is covered by sea and land.;It’s facing plastic pollution and air pollution.;Because it supports many sea animals.;We can use less plastic and recycle more.;Yes, there are too many plastic bags in the streets. 学科网(北京)股份有限公司 $

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Unit 4 The Earth 作文学案- 2025-2026学年沪教版英语七年级上册
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