一起突发中毒事件,暴露人数在1000—1999人;中毒人数在100人及以上且死亡1人或死亡3—9人。属于较大突发中毒事件(Ⅲ级)。()
A 100-pound child should carry a backpack of more than 20 pounds.
A. Right
B. Wrong
C. Not mentioned
清醒病人,非腐蚀性药物中毒时可先用棉签或压舌板刺激咽喉壁催吐。()
Backpacks with wide, padded straps and a belt can help to avoid problems of sprains and strains. 查看材料
A. Right
B. Wrong
C. Not mentioned