Ｕｎｉｔｓ １１—１２词语专练
2008-03-24任贵敏
中学英语之友·高二版 2008年1期
任贵敏
Unit 11 Scientific Achievements
1．man, mankind, human
(1)_____ realized the damage he had caused to the environment.
(2) ______ is still progressing, isn't it?
(3) Men, women and children are________beings, while all birds andanimals are living beings.
