研究生课题:humans=human beings?

humans=human beings? We are all human beings. the houyhnhnms' attitude toward human beings we human beings....中human beings 是不是做的同位语？ human=human being ? the advantage human beings have to deal with the sun is worth discussing Up to now air pollution _____(do)great harm to human beings. based on Jack London-The Law of Life, what views does naturalism hold toward human beings? 翻译：As almost every conceivable contact between human beings gets automated, 3. Do you think it is moral to lone human beings?