雅思阶梯阅读 3PDF电子书下载

概述 1

Text A The Sword That Can Heal 6

Text B Issue of Unemployment 9

Text A Cold! 13

Text B Read the Face 16

Text A The Developments of Telephone 19

Text B Quarks 23

Text A Experts: Osteoporosis Takes Lifetime of Prevention 26

Text B Oil Price 30

Text A Accents 34

Text B The Roll-film Revolution 38

Text A Earthquake Prediction 42

Text B Educational Attitudes 45

Text A Creating Artificial Reefs 51

Text B Not Just Parrot-talk 55

Text A What is a Port City? 60

Text B Absenteeism in Nursing 64

Text A Culture and Learning 68

Text B Genes and Behaviour 73

Text A The Pachyderms 78

Text B Rule, Britannica 83

Text A New Evidence about the Source of AIDS Virus 87

Text B Moving Forward 92

Text A Tourism in Chile 98

Text B The New York Subway System 102

Text A Sounds You Cannot Hear 106

Text B Learning at the Feet of the Information Superhighway 112

Text A Just How Quick Is Our Parcel Service? 117

Text B Forest Fires: a Major Disaster 122

Text A Houses for Sale 127

Text B Tapping New Energy Sources 129

答案 133

词汇总表 138