【填空题】In the animal rights ______, much is made ...
【填空题】In the animal rights ______, much is made of the volume of pain these animals ______ in the name of medical science. Activists deny that we are trying to help and say it is ______ of our evil and cruel ______. A more reasonable argument, however, can be advanced in our ______. Life is often ______ to animals and human beings. Teenagers are flung from trucks and suffer severe head ______. Young children ______ able to walk find themselves at the bottom of swimming pools while a parent is occupied with something else. From everyday germs to gang _______, no life is free of pain. Physicians hoping to relieve the eternal suffering of these tragedies have only three choices: 1) create an animal model of the problem to understand the process and test new therapies; 2) experiment on human beings (some experiments will succeed, most will fail); or 3) leave medical knowledge static, hoping that ______ discoveries will lead us forward.