UNIT1 1
1.Ants Are Smarter Than We Think 1
2.Salt 4
3.The Greatest Magician, Harry Houdini 6
UNIT2 8
4.Wrong Number 8
5.Hitting the Books 11
6.Dox--A Great Police Dog 14
UNIT3 16
7.The Girl on the Roof 16
8.Suntan and Society 19
9.Fire! 22
UNIT4 25
10.How Tea Came to Asia 25
11.Kon-Tiki 28
12.An Unusual Notice 31
UNIT5 34
13.Archimedes and the Crown 34
14.The Case of Miss Fraser 37
15.Four Beautiful Things about Hawaii 40
UNIT6 43
16.Clumsy World for Lefty 43
17.The Disney World 47
18.My Grandfather s Watch 50
UNIT7 53
19.An Unknown Dance 53
20.A Time for Courage 55
21.The Revenge 58
UNIT8 60
22.The Linguistic Habits of a New Generation 60
23.Desert Doctor 63
24.A New Car--Model T Ford 67
UNIT9 70
25.A Valuable Hour 70
26.A Letter 74
27.The Pelican 77
UNIT10 80
28. The Peanut Man 80
29.Clocks through Time 84
30.Leonardo da Vinci 88
UNIT11 91
31.The Spy in the Sky 91
32.Pity for a Stranger 95
33.He Made Us a Team 98
UNIT12 101
34.Treasure from Flavius 101
35.Unreality of TV 105
36.A Gift of Dreams 108
KEY TO EXERCISES 112
VOCABULARY 117