Unit 4 The Earth Section 2 导学案 2025-2026学年沪教版七年级英语上册

Unit4 The Earth

⭐Section 2导学案

学习目标

1. 掌握 there is / there are 核心用法、缩写、否定、疑问结构，分清可数复数名词 / 不可数名词 / 单数名词搭配规则；
2. 读懂海洋保护对话、垃圾分类习题、海滩清理演讲稿模板，能使用 There be 句型描述海滩垃圾、四类垃圾桶废弃物；
3. 双人完成海滩清理招募演讲稿口头输出，完整运用 There be 句型完成句子、短文写作；
4. 认识海洋塑料污染危害，掌握垃圾分类词汇，树立海洋保护、垃圾分类环保意识。

一、预习案（课前自主完成）

（一）词汇 & 语法预习・基础过关

模块 A：There be 核心语法规则

1. 含义：表示某地存在某物
2. 主谓一致规则

• there is (there’s) + 单数可数名词 / 不可数名词
• there are (there’re) + 复数可数名词

3. 否定式

there is not = there isn’t

there are not = there aren’t

4. 疑问句：Are there / Is there …?
5. 就近原则：多个并列名词时，be 动词跟随离它最近的名词单复数

例：There is a lot of plastic rubbish and many paper bags.

模块 B：海洋污染 & 环保主题词汇

plastic pollution 塑料污染；rubbish /trash 垃圾

bottles 瓶子；plastic bags 塑料袋；Beach Clean-up Day 海滩清理日

protect the sea 保护海洋；end up in the sea 最终流入大海

模块 C：垃圾分类词汇

recyclable waste 可回收垃圾；residual waste 其他垃圾

food waste 厨余垃圾；hazardous waste 有害垃圾

broken glass 碎玻璃；fish bone 鱼骨；paper 纸张；plastic bottle 塑料瓶

clothes 衣物；lithium battery 锂电池；tin can 金属罐

1. 核心句型抄写 + 翻译

①There is more and more plastic pollution in the sea.

译：________________________________________

②There are many bottles and plastic bags on the beach.

译：________________________________________

③There is a lot of plastic rubbish and many paper bags on the beach.

译：________________________________________

（二）预习思考（通读 P57-P58）

1. 什么时候用 there is？什么时候用 there are？

2. 多个物品并列时，be 动词由谁决定？举例说明。

3. 海滩上常见哪些垃圾？四类垃圾桶分别对应什么废弃物？

二、课堂探究案（课中小组合作完成）

探究任务一：语篇问题链・分层研读对话 & 垃圾分类习题

基础浅层问题链（课本对话）

1. Pick out all there be sentences in the dialogue and divide them into there is / there are.

There is more and more plastic pollution…

There are many things we can do.

there are always many bottles and plastic bags…

Are there any other things…

2. Change the sentence “Many plastic bags are on the beach” into there be structure.

There are many plastic bags on the beach.

基础浅层任务 1：垃圾分类造句示例

• Recyclable waste（blue）：There is a lot of paper. There are some plastic bottles, tin cans, broken glass and clothes.
• Residual waste（black）：There are some plastic bags.
• Food waste（green）：There are many fish bones.
• Hazardous waste（red）：There are some lithium batteries.

进阶理解问题链（语法规则梳理）

1. What’s the difference between countable plural & uncountable nouns for there be?