过敏性紫癜的病因包括()
A.细菌、病毒、寄生虫等感染
B.鱼、虾、乳类等异性蛋白质食物过敏
C.脾功能亢进
D.药物过敏
E.花粉、昆虫咬伤、疫苗接种等
参考答案:A, B, D, E
The kind old couple offered to ________ the poor homeless child, though life was hard for them. [ ]
A. bring in
B. put in
C. take in
D. turn in
《突发林业有害生物事件处置办法》规定,突发林业有害生物事件的报告主要包括哪些内容?