精选优质文档-倾情为你奉上 二The common cold is the worlds most widespread illness， which is plagues（疫病） that flesh receives. The most widespread fallacy（谬误） of all is that colds caused by cold. They are not. They are caused by viruses（病毒） passing on from person to person. You catch a cold by coming into contact， directly or indirectly， with someone who already has one. If cold causes colds， it would be reasonable to expect the Eskimos to suffer from them forever. But they do not. And in isolated a
