某同学患流感,医生建议多休息多喝水,以增强机体的免疫功能。当流感病毒侵入人体后,多种免疫细胞被激活。下列相关叙述错误的是 ( ) A. 浆细胞产生的抗体可阻止内环境中病毒的扩散 B. 效应 T 细胞来源于 T 细胞和记忆细胞的分化 C. 病毒侵入人体后先进行体液免疫再进行细胞免疫 D. 大量饮水,内环境渗透压降低,尿激素的释放量减少
【单选题】Prior to the availability of enterprise EDM, locating a document over a LAN could be difficult, and over a WAN(66)nearly impossible. With the model for collaborative work spreading, and with more user...