Unit 4 The wonders of nature. Section A (2a-2d) 导学案2025-2026学年人教版英语八年级下册
Unit 4 The wonders of nature. Section A (2a-2d) 导学案
一、学习目标
- 语言能力
掌握4个关键深度数据：200m / over 2000m / 3800m / 10909m，能读懂并运用句型 ...dive to ... metres deep。
完成2b、2c听力任务，能听懂并记录深海相关话题、年份、数据及生物特征。
依托2d支架，能创编并完成“小记者采访深海科研员”的口语对话。
- 文化意识
了解“奋斗者号（Fendouzhe）”的深潜成就，增强民族自豪感。
认识深海垃圾污染问题，树立保护海洋的环保意识。
- 思维品质
学会从图表中提取数据、从听力中抓取关键信息，培养逻辑思维能力。
- 学习能力
学会通过查阅资料了解深海知识，养成自主探究的学习习惯。
二、课前预习
1. 单词&短语预习
请根据课本和词典，写出下列单词/短语的中文意思：
- deep sea ________
- submersible ________
- unusual abilities ________
- rubbish ________
- protect the deep sea ________
- the bottom of the sea ________
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2. 知识回顾（形容词最高级）
写出下列单词的最高级形式，并造句：
deep → ______
high → ______
big → ______
例句：
三、课堂任务
Task 1: 2a Read the picture and complete the sentences
观察课本《Ocean Depths》剖面图，完成下列句子：
- Fendouzhe reached ____________.
- The deep sea begins at ____________.
- The Titanic rests at ____________.
- A whale can dive to ____________.
朗读并翻译以上4个句子：
Task 2: 2b Listen and tick the topics you hear
听录音，勾选对话中讨论的话题（可多选）：
□ where the deep sea begins
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□ why people are researching the deep sea
□ which Chinese submersible dived deeper
□ what deep-sea animals are like
□ how everyone should protect the deep sea
小组讨论：你对哪个话题最感兴趣？为什么？
Task 3: 2c Listen again and complete the sentences
再听一遍录音，用听到的事实完成句子：
- People still don’t know much about the ____________.
- In ____________, China’s Fendouzhe dived into the deep sea and filmed it.
- Some animals have unusual abilities. Some are ____________ but can “see”. Some can even create their own ____________.
- There is rubbish even at ____________ metres deep.
朗读并翻译以上4个句子：
Task 4: 2d Role-play an interview
- 参考问题：
What is the largest shark in the deep sea?
What is the bottom of the deep sea like?
Why is it important to research the deep sea?
- 拓展问题：请小组合作，再补充2个采访问题。
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