CONTENTSUNIT 1 SENSES 1
UNIT 2 HUMAN PROGRESS,MONEY,AND 17
THE QUALITY OF LIFEUNIT 3 THE INCAS 37
UNIT 4 MODIFYING MAN 53
UNIT 5 HOW TO AVOID FOOLISH OP INIONS 70
UNIT 6 SIMULATE COLLEGE ENGLISH TEST(CET) 88
Band Four (Ⅰ)UNIT 7 COMMUNICATING WITH THE STARS 106
UNIT 8 AGEING 123
UNIT 9 WHAT’S IN A FACE 141
UNIT 10 CAN WE KNOW THE UNIVERSE 157
UNIT 11 CRISIS OR CHALIENGE 173
UNIT 12 SIMULATE COLLEGE ENGLISH TEST(CET) 189