传染病暴发流行时,病例治疗是下列哪些疾病的主导预防控制措施()
A、霍乱
B、艾滋病
C、伤寒
D、结核病
参考答案:B, D
(2013·陕西,16)________ is often the case with children,Amy was better by the time the doctor arrived.
A.It
B.That
C.What
D.As
慢性肺心病常见的原因是()
A.Ⅳ型肺结核
B.肺脓肿
C.脊柱严重畸形
D.支气管扩张症
E.慢性支气管炎