Ⅰ型超敏反应() A．几分钟内出现，半小时内减弱 B．由过敏性介

搜题请搜索小程序“爱下问搜题”

问题多项选择题

Ⅰ型超敏反应()

A．几分钟内出现，半小时内减弱

B．由过敏性介质引起

C．与肥大细胞有关

D．一般无组织细胞的损伤

E．IgG₃可促进肥大细胞脱颗粒

答案

参考答案：A,B,C,D

单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．Colin’s speech was more interesting than any other speakers’.

B．Colin’s speech was dull because it was too lengthy and tedious.

C．Colin’s speech wasn’t very good but he will do better next time.

D．Colin’s speech was good considering the difficulty of addressing so many audience.

判断题

消防过滤式综合防毒面具最短防护时间为10min。