中学英语拓展阅读丛书 自然科学系列 第5册PDF格式文档图书下载

1 A Flightless Birds 1

1 B Wildlife Photography 3

2 A Dressing for the Season 5

2 B Protection from the Sun 7

3 A Home Entertainment 9

3 B Home Audio: From Tinfoil to Compact Discs 11

4 A Research on the Internet 13

4 B Writing a Science Research Paper 15

5 A Oceanographers at Work 17

5 B The JASON Project 19

6 A Muscles and Their Functions 21

6 B Training to Be a Runner 23

7 A The Science of Musical Instruments 25

7 B What Determines Perfect Pitch? 27

8 A Energy in Its Many Forms 29

8 B Geothermal Energy: A Renewable Resource 31

9 A How a Tornado Forms 33

9 B Making a Tornado Safety Plan 35

10 A Dinosaur Parents and Their Young 37

10 B Discovering Dinosaur Eggs 39

11 A The Usefulness of Mud 41

11 B Preparing Adobe Bricks 43

12 A The Origin of Seashells 45

12 B Common Shellfish 47

13 A The Roles of Fruits and Seeds 49

13 B Using Plants to Make Natural Dyes 51

14 A Computers Playing Chess and Solving Problems 53

14 B Are Computers Intelligent? 55

15 A The Rocket: A Powerful Engine 57

15 B Ultraviolet Images of Space 59

16 A George Washington Carver 61

16 B The Health Value of Nuts 63

17 A A Monarch Butterfly's Life 65

17 B A Tour of the Butterfly Farm 67

18 A The Importance of a Balanced Diet 69

18 B The Need for Exercise 71

19 A The Importance of Trees 73

19 B The Problem of Deforestation 75

20 A Large Dams: Benefits or Burdens? 77

20 B Sharing Water from the Hoover Dam 79

21 A How Magnets Work 81

21 B A Compass Treasure Hunt 83

22 A Plant Adaptations 85

22 B Challenges Facing Coastal Plants 87

23 A A History of Mountaineering 89

23 B Learning to Rock Climb 91

24 A Earth's Rotation 93

24 B Observing the Sun 95

25 A Animal Communication 97

25 B Can Animals Communicate with People? 99

附录 101

Answer Key 101

Reading Rate 103

Comprehension Score 104

Comprehension Skills Profile 105

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