炎症介质组胺在炎症灶内最主要的作用是A.白细胞趋化B.使血管扩张和通透性增高C.引起 发布时间:2017-05-25 14:04 │ 来源:www.tikuol.com 题型:单项选择题 问题: 炎症介质组胺在炎症灶内最主要的作用是A.白细胞趋化B.使血管扩张和通透性增高C.引起疼痛D.导致发热E.造成组织损伤
题型:单项选择题 The number of people invited ______ fifty, but a number of them ______ absent (缺席) for different reasons. [ ]A. were; was B. was; was C. was; were D. were; were 查看答案