英语 Ⅳ级 听与说PDF电子书下载

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CONTENTS 1

Lesson One No Smoking 1

Lesson Two Physical Fitness 4

Lesson Three Life Span 8

Lesson Four Care Takers of Aging Parents 11

Lesson Five Our Brain 14

Lesson Six Memory 17

Lesson Seven The Human Impact on the Environment 20

Lesson Eight Our Polluted Planet 23

Lesson Nine Some Facts about Diet 26

Lesson Ten Earthquake 29

Lesson Eleven Black Students in American Colleges 32

Lesson Twelve Jimmy Taylor 35

Lesson Thirteen Violenee on TV 38

Lesson Fourteen Mothers Against Drunk Drivers 41

Lesson Fifteen Dr.Mark Adams Travelling by Air 44

Lesson Sixteen How Long a Person Will Sleep 47

Lesson Seventeen English——The International Language 50

Lesson Eighteen English——A World Language? 53

Model Listening Test(Ⅰ) 56

Model Listening Test(Ⅱ) 58

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