【人教版】高中英语选择性必修第四册: 序时而进：利用衔接词构建海洋探索的逻辑链条

任务情报 | Mission Brief

序时而进：构建逻辑链条

探索海洋叙事中的时间与逻辑之美

本节课我们将学习如何利用衔接词（如 dating back to, originally）和逻辑顺序（Sequence）将零散的海洋知识点串联成一条逻辑严密的表达链条。

武器库 | Core Arsenal

动词搭配不要记错哦：

Dating

back to 256 BCE 🏛️

Constructed

as an irrigation system 💧as a heritage site 📜

Log

the data from sensors 📡the wonders of the sea 🌊

避坑雷达 | Grammar Radar

Dating back to... / Constructed as...

🚨 高频易错点 Warning!

❌

Dujiangyan dates back to 256 BCE, build by Qin.

缺少分词结构，逻辑衔接生硬。

✅

Dating back to 256 BCE, Dujiangyan was constructed by Qin.

使用了分词作状语，时空坐标清晰。

通行证 | Can-Do Goals

学完本课，你能做到：

识别并运用时间轴衔接词

Identify and use chronological transition words.

利用分词短语设定叙述背景

Use participle phrases to set the background.

描述海洋生物的生命周期逻辑

Describe biological life cycles logically.

🌎

Culture Bit: Indigenous Knowledge

Mbantua Festival（姆班图亚节）不仅是展示原住民（Aborigines）文化的窗口，更是现代科学与古老生态智慧的碰撞之地。

Step 1: Sentence Construction

Unscramble the sentence below:
连词成句：请将下方的单词重新排列组合成正确的句子。

Step 2: Guided Story

根据阅读材料完成仿写（共10句）。

(1) Hello! My name is . (2) I am years old. (3) I have a sister named Anna. She likes . (4) She also likes because it is beautiful. (5) My brother Jack likes . (6) He needs to do this. (7) As for me, I like . (8) Doing this makes me feel very . (9) I usually do this with my . (10) However, I do not like .

High-Scoring Sample / 高分范文

Dating back to thousands of years, the Giant Panda has been an iconic symbol of China. Originally found in high mountains, they survive on a herb diet. Their breeding ground is carefully protected today. Finally, through conservation, their numbers are recovering.

Step 3: Look and Write

最终挑战：看图写话，描述图片中人物的活动和爱好。

1. Origin (Dating back to...)

2. Development (Next...)

3. Challenge (However...)

4. Future (Finally...)

Task: Choose one iconic animal (like the platypus or panda) and write a short log explaining its biology and history.
Use 'Dating back to' and at least three sequence markers.

0 words

High-Scoring Sample / 高分范文

Dating back to millions of years, the duck-billed platypus is a unique creature. Originally, it was thought to be a bird-mammal hybrid. Next, scientists discovered its unique biology: it lays eggs in a nest but nurses its young. Finally, we now recognize it as a primitive mammal essential to our ecosystem.

高分詳細解析

使用了 'Dating back to' 设定时间宏观背景。
逻辑衔接词 Originally -> Next -> Finally 构建了清晰的发现史。
融合了 nest, biology, primitive 等核心词汇。

Step 4: Theme Writing

Task: Write about a UNESCO heritage site. Explain why it is worth visiting.
Include vocabulary like: irrigation, capacity, iconic, and applaud.

0 / 60 words

High-Scoring Sample / 高分范文

Dujiangyan is an iconic attraction in China. Constructed as an irrigation system around 256 BCE, it shows ancient wisdom.

The capacity of this system to control floods is amazing. We should applaud the ancient people for their skill. It is a UNESCO heritage site that everyone should visit once.

高分詳細解析

使用了被动语态 'Constructed as'。
准确运用了本课核心词汇 iconic, capacity, applaud。
结构简洁，逻辑分明。

Wonders of the Sea & Human Engineering

Step 1: Sentence Construction

Step 2: Guided Story

Step 3: Look and Write

高分詳細解析

Step 4: Theme Writing

高分詳細解析

学情分析 Learning Analytics