【单选题】以下对肥大细胞的描述,哪一项是错误的?
D.
再次接触少量相同过敏原时,通过一系列反应,可引起过敏
【单选题】以下对肥大细胞的描述,哪一项是错误的?
A.
细胞呈圆形或卵圆形,胞质充满嗜酸性颗粒,呈异染性
C.
再次接触少量相同过敏原时,通过一系列反应,可引起过敏
【简答题】According to the second paragraph, most road accidents happen due to
【单选题】Most accidents are _______ common things ________ on the job every day.
【单选题】______ is often the case with car accidents, most of the drivers involved have exceed the speed once too often.
【单选题】以下对肥大细胞的描述,哪一项是错误的
D.
再次接触少量相同过敏原时,通过一系列反应,可引起过敏
【单选题】______is often the case with car accidents, most of the drivers involved have exceeded the speed once too often.