• 人物简介

Culture

• A Brief History of Jiaozi  饺子简史

Science

• The Power of Puppies: Looking at Cute Images Can Improve Focus 小狗的力量——看可爱的图像可以提高注意力

Facts

• Some Brain “Facts” We All Get Wrong  几个被误解的大脑“真相”

• Some Facts That May Surprise You about Sharks  一些有关鲨鱼的冷知识

Animals

• There Is No Time Left for Antarctica’s Emperor Penguins 南极帝企鹅已危在旦夕

Learning and Exercises

• Unit 1 A new start

• Section Ⅱ Using language

• Section Ⅲ Developing ideas

• Writing 话题表达指导

• Section Ⅳ Presenting ideas 核心短语与句型回顾

• Unit 2 Exploring English

• Section Ⅱ Using language

• Section Ⅲ Developing ideas

• Writing 话题表达指导

• Section Ⅳ Presenting ideas 核心短语与句型回顾

• Unit 3 Family matters

• Section Ⅱ Using language

• Section Ⅲ Developing ideas

• Writing 话题表达指导

• Section Ⅳ Presenting ideas 核心短语与句型回顾

• Unit 4 Friends forever

• Section Ⅱ Using language

• Section Ⅲ Developing ideas

• Writing 话题表达指导

• Section Ⅳ Presenting ideas 核心短语与句型回顾

• Unit 5 Into the wild

• Section Ⅱ Using language

• Section Ⅲ Developing ideas

• Writing 话题表达指导

• Section Ⅳ Presenting ideas 核心短语与句型回顾

• Unit 6 At one with nature

• Section Ⅱ Using language

• Section Ⅲ Developing ideas

• Writing 话题表达指导

• Section Ⅳ Presenting ideas 核心短语与句型回顾

• Keys