目录 1
1．Maria Mitchell 1
2．Clara Barton 12
3．Andrew Carnegie 25
4．Henry Ford 36
5．Jim Thorpe 50
6．George Gershwin 60
7．Dr．Alice Hamilton 71
8．Dr．Lise Meitner 93
9．Dr．Dorothy Crowfoot Hodgkin 109
10．Robert Frost 126
11．George Washington Carver 137
VOCABULARY 150