A. philosopher B. columnist C. ecologist D. alarmist
A. 1974 B. 1874 C. 1878 D. 1978
A. The Sea Around Us B. The Edge of the Sea C. The Origin of Species D. Slilent Spring
A. she was very young B. she was in college C. she became a teacher D. she became famous
A. 对 B. 错