... as the dominant creature on this earth has been closely involved with his mammalian cousins. Even in highly industrialized nations, mammals provide food, drink, clothing, transportation, and ... bird. With this new power, man has a responsibility to his cousins, becauses he is interdependent, even with the mammals for which he cares little.21. What is the main idea of this passage?a. ... d.at40. a.suggest b. advise c. encourage d. recommendSECTION IV41. He/ read/ this novel/many/ times/He has read this novel for many times. 42. She / work/ company/ she left school/She has...