《科技英语阅读文选》PDF下载

  • 购买积分:10 如何计算积分?
  • 作  者:郭杰克编
  • 出 版 社:南宁:广西人民出版社
  • 出版年份:1984
  • ISBN:9113·48
  • 页数:214 页
图书介绍:

1. Light (光) 1

2. How does light travel? (光是怎样传播的?) 11

3. What materials scatter light? (哪些材料能使光散射?) 14

4. Why are there shadows? (为什么会有影子?) 17

5. Why do shadows vary in size? (为什么影子的大小会有变化?) 21

6. Why do lights look dimmer far away? (为什么远处的灯光会显得较为暗淡?) 24

7. Magnetism (磁力) 28

8. What are magnets and magnetism? (什么是磁铁和磁力?) 32

9. What are magnetic materials? (什么是磁性材料?) 35

10. What is a non-magnetic watch? (什么是防磁手表?) 39

11. What is the smallest magnet? (什么是最小的磁铁?) 42

12. Electromagnets and electromagnetism (电磁铁和电磁) 46

13. How does a doorbell work? (门铃是怎样工作的?) 50

14. What is a dvnamo? (什么是发电机?) 54

15. How does an electric motor use magnets? (电动机是怎样利用磁铁的?) 57

16. How does a telephone work? (电话机是怎样工作的?) 64

17. What part do magnets play in radio and television? (磁铁在收音机和电视机里起什么作用?) 69

18. Matter and energy (物质和能量) 74

19. What is energy? (什么是能量?) 79

20. How do we measure energy? (我们是怎样量度能量的?) 81

21. Can we “make”energy? (我们能“创造”能量吗?) 83

22. Do we burn up energy? (我们能使能量烧尽吗?) 86

23. Can we change matter into energy? (我们能把物质转换为能量吗?) 89

24. Einstein and his famous statement E=mc2 (爱因斯坦和他的著名的论点E=mc2) 94

25. Does E=mc2 work for all kinds of matter? (E=mc2这一公式对所有物质都适用吗?) 98

26. Oceanography (海洋学) 101

27. How is modern oceanographic research conducted? (现代化的海洋学研究是怎样进行的?) 106

28. How do oceanographers go below the surface for observation? (海洋学家是怎样潜入水下进行观察的?) 110

29. The world ocean (世界海洋) 119

30. The origin of the ocean (海洋的起源) 124

31. Why is the ocean salty? (海水为什么是咸的?) 127

32. The atmospheric heat engine (大气热机) 131

33. What food do we get from the sea? (我们从大海里得到哪些食物?) 136

34. Can fresh water be obtained from the sea? (可以从大海制取淡水吗?) 139

35. How will mining in the sea be done? (怎样在大海里采矿?) 142

36. The atmosphere (大气层) 146

37. The sun (太阳) 150

38. The solar system (太阳系) 155

39. How did the solar system begin? (太阳系是怎样形成的?) 159

40. Do air and water exist on the moon? (月球上有空气和水吗?) 162

41. Can man live on the moon? (人能在月球上生活吗?) 165

42. Can a rocket fly in outer space? (火箭能在外太空飞行吗?) 168

43. What fuel does a rocket use? (火箭使用什么样的燃料?) 171

44. Why is re-entry a problem? (为什么返回地球是一个难题?) 174

45. How does a space suit help a pilot? (宇航服是怎样帮助飞行员的?) 177

Vocabulary (总词汇表) 181