UNIT 1．TEXT:Computers 1
PASSAGE:Memory and the Brain 10
UNIT 2．TEXT:Steve Garvey,the Rock of Ages and Consistency 13
PASSAGE:The Steroid Olympics 25
UNIT 3．TEXT:The Ozone Bachlash 28
PASSAGE:Stratospheric Chlorine:Blaming It on Nature 39
UNIT 4．TEXT:Are the Elderly Being Short-Changed by the NHS? 43
PASSAGE:A Generation without Hope 52
UNIT 5．TEXT:Contemporary American Graffiti 56
PASSAGE:The Euphemism:Telling It Like It Isn t 64
UNIT 6．TEXT:Animal Right vs Medical Research 68
PASSAGE:The Dumb Frog That Speaks 78
UNIT 7．TEXT:Transformation of American Midwifery 82
PASSAGE:Two Adolescence 91
UNIT 8．TEXT:The Family Gap 95
PASSAGE:The Art of Remembering Names 105
UNIT 9．TEXT:Learning and Brain Growth 110
PASSAGE:The Best Camp Ever 118
UNIT 1O．TEXT:Rural Radio 122
PASSAGE:News from Space 132
UNIT 11．TEXT:Vision and Vignette 136
PASSAGE:Burst of Genius 144
UNIT 12．TEXT:Oceanic Motion 148
PASSAGE:Echoes of the Big Bang 158
UNIT 13．TEXT:Violating the Public Trust 162
PASSAGE:The Boat That Flies 171
UNIT 14．TEXT:The Sense of Sight 176
PASSAGE:Light 186
UNIT 15．TEXT:Medical Ethics and the Public Health 190
Preventive Medicine 200
PASSAGE:Ethical Issues in the Third Stage of 200
UNIT 16．TEXT:Old World Culture Hearths 205
PASSAGE:New World Culture Hearths 215
UNIT 17．TEXT:Environmental Deterioration 219
PASSAGE:Warning:the Environment May be 228
Dangerous to Your Health 228
UNIT 18．TEXT:Which Bird Is the Better Indicator Species 231
for Old-Growth Forest? 231
PASSAGE:Western Medicine Men Return to the Field 242
APPENDIX:Keys to the Exercises 245