The teacher has a peculiar way of ______her student’s nervousness when then speak English. A. breaking down B. going over C. taking off D. giving away 答案:A2013年3月以来,我国多地出现人感染H7N9型禽流感疫情,导致部分患者死亡.卫生专家指出:“应尽可能减少与禽类不必要的接触,尤其是与病、死禽的接触.”从预防传染病流行的措施分析,专家提出的建议属于 .