现代英语 第3级 读与写 level 3 reading and writingPDF电子书下载

CONTENTSUNIT 1 A NATION OF PET LOVERS 2

UNIT 2 AN ENGLISH SPEAKING WORLD 16

UNIT 3 THE ELEPHANT 30

UNIT 4 FREEZING A HUMAN BODY 46

UNIT 5 KITES 59

UNIT 6 TUTANKHAMEN'S TREASURE 71

UNIT 7 APES AND LANGUAGE 84

UNIT 8 LIVING ON MARS 98

UNIT 9 WHAT IS LIGHT 112

UNIT 10 TIME TRAVEL 128

UNIT 11 HARRIS AND THE MAZE 142

UNIT 12 ALCOHOLISM：ILLNESS OR WEAKNESS 157