The Big Question

Natural Wonders & Rules 🌌

Discover how the rules of language help us protect the wonders of the universe, from deep-sea octopuses to the stars above.

探索语言规则如何帮助我们保护宇宙中的奇迹，从深海章鱼到星空万物。

武器库 | Core Arsenal

动词搭配不要记错哦：

protect

the exhibits 🏛️natural habitats 🌿

observe

a solar eclipse 🌑the universe 🔭

museum rules 📜safety signs ⚠️

避坑雷达 | Grammar Radar

Imperative: (Do not) + Verb Base

🚨 高频易错点 Warning!

❌

Don't feeding the animals.

Negative imperatives use the base verb after 'Don't'.

✅

Do not feed the animals.

Correct use of imperative for rules.

通行证 | Can-Do Goals

学完本课，你能做到：

在博物馆或动物园中使用祈使句表达规则

Use imperatives for museum rules.

描述自然现象的因果逻辑

Describe natural phenomena with 'When' clauses.

🌎

Culture Bit: Niagara Falls & Wuhan

Whether it's the roar of Niagara Falls in Canada or the silence of a solar eclipse in Wuhan, humans use language to organize their awe and maintain safety.

Wonders of the World Practice

Apply what you've learned to build your skills.

Knowledge Check

Complete the practical challenges.

2. Reading Comprehension 阅读理解

A Journey from Sea to Sky

Among the many amazing animals in the world, few are as strange and unusual as the octopus. They have eight arms, can spray ink to hide, and can even change color!

A wooden notice board says: 'Do not touch the bones,' and 'Keep behind the fences.'

First, dirty water goes into the plant. Then, special screens remove large pieces of waste.

展开/折叠全文翻译

从深海到天空的旅程。章鱼有八条手臂，会喷墨汁，甚至变色。参观博物馆时必须遵守规则，如“不要触摸骨骼”。傅星参观了废水处理厂，发现清理水的系统非常神奇。

3. Theme Writing 主题写作

Rules for a Science Museum

Write a short set of rules (30-50 words) for a science museum exhibit about the solar system. Use at least 3 imperatives.

0 / 60 words

Science & Habitat Vocabulary

Imperatives & Temporal Logic

Wonders of the World Practice

Knowledge Check

A Journey from Sea to Sky

Rules for a Science Museum