CONTENTSUNIT 1 SENSE AND SENSIBLITY 1
UNIT 2 JUST PUT IT IN WRITING 12
UNIT 3 ATAHUALPA 25
UNIT 4 LIFE UNDERWATER 40
UNIT 5 INTRODUCTION 55
UNIT 6 SIMULATE COLLEGE ENGLISH TEST（CET）Band Four（Ⅰ） 69
UNIT 7 CONTACT 86
UNIT 8 AGEING AND THE GENES 100
UNIT 9 SPEECH RECOGNITION BY COMPUTER 117
UNIT 10 THE GREENING OF THE EARTH 130
UNIT 11 ROBOTS:SHOWMEN AND SLAVES 142
UNIT 12 SIMULATE COLLEGE ENGLISH TEST（CET）Band Four（Ⅱ） 157