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學習快評丨qibao666888　　B細?(xi)胞??(bao)作?(zuo)為??(wei)“抗?(kang)體??(ti)工??(gong)廠?(chang)”??，能??(neng)針??(zhen)對??(dui)不??(bu)同?(tong)病??(bing)原??(yuan)體?(ti)定?(ding)制??(zhi)特??(te)異??(yi)性??(xing)抗?(kang)體??(ti)??，通??(tong)過??(guo)中??(zhong)和??(he)病??(bing)毒?(du)或??(huo)標??(biao)記??(ji)病??(bing)原??(yuan)體??(ti)協(xié)??(xie)助??(zhu)清??(qing)除??(chu)機??(ji)制??(zhi)；同??(tong)時??(shi)分??(fen)化?(hua)出??(chu)的??(de)記??(ji)憶??(yi)B細??(xi)胞??(bao)可??(ke)在??(zai)免??(mian)疫??(yi)結??(jie)束??(shu)后??(hou)保??(bao)留?(liu)抗??(kang)體??(ti)“圖??(tu)譜??(pu)”??，實??(shi)現(xiàn)?(xian)快??(kuai)速??(su)二??(er)次??(ci)應??(ying)答??(da)??。??　　免??(mian)疫??(yi)系??(xi)統(tǒng)?(tong)的??(de)核??(he)心??(xin)使??(shi)命??(ming)不??(bu)是??(shi)“消??(xiao)滅??(mie)一??(yi)切??(qie)”??，而??(er)是??(shi)識??(shi)別?(bie)敵??(di)我?(wo)、清??(qing)除?(chu)威??(wei)脅??(xie)??。??。