下列疾病属于新发传染病的有（）
A.丙型病毒性肝炎
B.艾滋病
C.甲型H1N1流感
D.SARS
E.莱姆病
参考答案：A, B, C, D, E
I am very glad that my son lives ________ my daughter.
A. as happily as B. as happy as C. so happily as
哪些原因会引起泵抽空？怎样排除？
