《求知与科学》求取 ⇩

1．The Water in Our Cities1

2．Invisible Waves3

3．From Steam Engines to Diesel Engines6

4．Choosing a Place for a New Town8

5．Languages Are Similar and Different10

6．The Bicycle12

7．Save the World15

8．A Story About the Invention of the Wheel17

9．A Story About the Invention of the Cart（Ⅰ）21

10．A Story About the Invention of the Cart（Ⅱ）24

11．Letters of Alphabets and Sounds27

12．Reading Without Sight30

13．Curiosity and Science（Ⅰ）34

14．Curiosity and Science（Ⅱ）36

15．Edison's First Invention39

16．Make Science Your Life's Work42

17．Our Weather（Ⅰ）44

18．Our Weather（Ⅱ）46

19．The Evolution of Life49

20．Worlds in the Sky（Ⅰ）52

21．Worlds in the Sky（Ⅱ）55

22．Learning Languages Is Easy—Or Is It?58

23．The Man Who Dared61

24．The Computer64

25．Saucers in the Sky67

26．Practical Science69

27．English：The International Language72

28．Marie Curie，Woman Scientist75

Glossary79