【单选题】下列有关人体免疫的叙述正确的是() ①血浆中溶菌酶的杀菌作用属于人体的第一道防线 ②抗原都是外来异物 ③人体分泌的乳汁中含有某些抗体 ④吞噬细胞可参与特异性免疫 ⑤过敏反应一般不会破坏组织细胞 ⑥HIV主要攻击人体的T细胞,引起自身免疫病 ⑦对移植器官的排斥是通过细胞免疫进行的
【多选题】患者,男性,23岁。因首次出现少语、少动、进食少半个月,加重3天入院。既往体健。患者在半个月前与女友分手后缓慢起病,讲话少,不主动与家人讲话,活动减少,基本不出门,有时见患者在自己房间里发呆,进食量比以前减少。近3天来,患者病情加重,不语不动不进食而被家人送入院。7天前有头痛、咳嗽史,体温37.8℃。对上述症状可做何处理()
【多选题】请根据题意,选择正确答案。只写字母A,B,C,D,E A. range B.strategy C. expand D. strengthen E. potential IKEA offers the same ____1___ of goods in Shanghai, Moscow, New York and London. The company’s ____2_______ is t...
【简答题】Ikea offers the same range everywhere -- they don’t tailor its stores to local markets and Anders Dahlvig believes Ikea will double its sales in the next five years.
【简答题】IKEA offers the same (1) ______________ everywhere — they don ’ t (2) _______________ its stores to local (3) ______________. He believes IKEA will double its sales in the next five years, adding 34 n...
【单选题】下列哪个不是超声波流量传感器的特点:( )