科普英语PDF电子书下载

CONTENTS 1

Lesson One 1

Text Man-Made Moons 1

Words and Expressions 2

Notes 4

Structures for Tcchnical English:Movements 4

Exercises 5

Text Electricity:The Force That Transformed the World 8

Lesson Two 8

Words and Expressions 10

Notes 12

Structures for Technical English:Force 13

Exercises 14

Lesson Three 17

Text Volcanoes 17

Words and Expressions 20

Notes 22

Structures for Technical English:Quantity 24

Exercises 25

Lesson Four 28

Text Numbers and Mathematics 28

Words and Expressions 30

Notes 32

Structures for Technical English:Ratio 33

Exercises 34

Lesson Five 37

Text Scientific Method and the Method of Science 37

Words and Expressions 39

Notes 40

Structures for Technical English:Classification 42

Exercises 43

Lesson Six 46

Text The Scientific Attitude 46

Words and Expressions 48

Notes 50

Structures for Technical English:Conditions 51

Exercises 53

Text Why Don't We Rust？ 56

Lesson Seven 56

Words and Expressions 58

Notes 60

Structures for Technical English Causation 62

Exercises 63

Lesson Eight 66

Text What Is the Scientific Basis of Sweets？ 66

Words and Expressions 69

Notes 71

Contents 73

Structures for Technical English: 73

Exercises 74

Lesson Nine 77

Text How Do Fluorescent Lamps 77

Function？ 77

Words and Expressions 79

Notes 82

Structures for Technical English:Function 85

Exercises 86

Text Why Do You Have to Have Stitches after an Operation？ 89

Lesson Ten 89

Words and Expressions 90

Notes 93

Structures for Technical English:Reason 94

Exercises…………………………………………（95 ） 99

Lesson Eleven 99

Text Why Do I Seem So Listless All Winter？ 99

Words and Expressions 101

Notes 103

Structures for Technical English:Likelihood 105

Exercises 107

Lesson Twelve 110

Text What Is the Blind Spot？ 112

Words and Expressions 112

Notes 114

Structures for Technical English:Result 115

Exercises 116

Appendix:Key to Exercises 119