英语 第3册PDF电子书下载

CONTENTS 1

Lesson 1 Text:One of the Laws of Electricity 1

Supplementary Reading:Electricity 5

Grammar:The Compound Complex Sen-tence 6

Lesson 2 Text:Language of Mathematics 9

Supplementary Reading:The Use of Equa- tions 15

Lesson 3 Text:Man-made Earth-satellites 16

Grammar:The Complex Object,the Com-plex Subiect 21

General Review Ⅰ 27

Lesson 4 Text:Inertia 30

Supplementary Reading:Newton's Laws ofMotion 36

Grammar:The Word-order （Ⅰ） 37

Lesson 5 Text:X-rays 43

Supplementary Reading:X-rays 48

Grammar:The Word-order （Ⅱ） 50

Lesson 6 Text:Ultrasonics 54

Supplementary Reading: Bats and Su-persounds 59

Grammar:Elliptical Sentences 61

General Review Ⅱ 66

Lesson 7 Text:Atomic Structure 71

Supplementary Reading:The Nucleus 77

Grammar:The Attributive Clause （Ⅱ） 79

Lesson 8 Text:Properties of Metals 82

Supplementary Reading:Metals 87

Grammar:The Attributive Clause （Ⅲ） 89

Lesson 9 Text:The Behaviour of Gases 93

Supplementary Reading: Specific Physi-cal Properties 99

Lesson 10 Text:How Water Behaves 101

Supplementary Reading:Water 106

General Review Ⅲ 108

Appendix Ⅰ Idioms and Phrases 114

Ⅱ Vocabulary 116