下列哪种病不属于水媒性传染病（）。
A.伤寒
B.霍乱
C.细菌性痢疾
D.肝炎病毒
E.鼠疫
参考答案：E
-Are Bill and Mike at home now?
-Yes. They _____ their mom cook. They often _____ their mom do housework.[ ]
A. help; are helping
B. are helping; help
C. helps; is helping
D. is helping;helps
如MRI示颈椎管狭窄明显，不宜行哪种治疗
A．手术治疗
B．牵引治疗
C．热疗
D．颈围制动
E．止痛药治疗
