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學(xué)習(xí)快評丨qibao666888　　其?(qi)次??(ci)是??(shi)清??(qing)除??(chu)威??(wei)脅?(xie)?，包??(bao)括??(kuo)消??(xiao)滅??(mie)細(xì)??(xi)菌??(jun)、病??(bing)毒??(du)等??(deng)外??(wai)來??(lai)入??(ru)侵??(qin)者??(zhe)?，及??(ji)時??(shi)發(fā)??(fa)現(xiàn)??(xian)并??(bing)清??(qing)除??(chu)異??(yi)常??(chang)細(xì)??(xi)胞??(bao)?，防??(fang)止??(zhi)腫??(zhong)瘤??(liu)形?(xing)成??(cheng)??。?　　最?(zui)后??(hou)是??(shi)維??(wei)持??(chi)記??(ji)憶??(yi)??，比??(bi)如??(ru)通??(tong)過??(guo)疫??(yi)苗??(miao)或??(huo)自??(zi)然??(ran)感??(gan)染??(ran)形??(xing)成??(cheng)長??(chang)期??(qi)保??(bao)護??(hu)??，例??(li)如??(ru)天??(tian)花??(hua)疫??(yi)苗??(miao)的??(de)終??(zhong)身??(shen)免??(mian)疫??(yi)效?(xiao)果?(guo)；再??(zai)如??(ru)調(diào)??(tiao)節(jié)??(jie)T細(xì)??(xi)胞??(bao)抑??(yi)制??(zhi)過??(guo)度??(du)反?(fan)應(yīng)?(ying)??，防??(fang)止??(zhi)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)“暴??(bao)走??(zou)”引??(yin)發(fā)??(fa)過??(guo)敏??(min)或??(huo)炎??(yan)癥?(zheng)風(fēng)??(feng)暴??(bao)??。?。