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问题 单项选择题

胸膜斑指厚度＜5m的局限性胸膜增厚，镜下可见由玻璃样变的粗大胶原纤维束构成。它是下列哪类病患的特征性病变

A．石棉肺

B．矽肺

C．煤肺

D．煤矽肺

E．尘肺

答案

参考答案：A

选择题

She went to American two years ago .She ____there for half a year and then went to Japan.

A． would work

B． worked

C． would be working

D．has been working
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单项选择题 A1型题

妊娠期淋病可用下列哪些药物治疗（）

A.氧氟沙星

B.阿奇霉素

C.四环素

D.环丙沙星

E.氯霉素
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