CONTENTS 1
Lessons Page 1
1．The Medal 1
2．Lost 18
3．A Button in Her Ear 34
4．The Development of Nations 52
5．Promise You'll Never Tell 70
6．The First Supersonic Flight 85
7．The Power of the Press 99
8．Pollution:Our Problem 114
9．Climate 132
10．Growing Thin Is Big Business 145
11．The Bank Detective 160
12．New Year Resolutions 176
13．Adult Education 192
14．Work,Labor and Play 207
Index to Vocabulary 225