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【多选题】
高程的基准面一般为A.
大地水准面
B.
某一指定的假定水准面
C.
地球椭球面
D.
高斯平面
E.
某一指定的水平面
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皮皮学刷刷变学霸
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【简答题】A．Because their parents die. B．Because the number of divorces has gone up. C．Because people live longer than before. D．Because them are so many unmarried couples.
【单选题】女，60岁。反复咳嗽、咳脓痰、咯血30年，再发伴发热3天。近3天来静脉滴注“头孢菌素”，仍有较多脓痰及痰中带血。查体：T37．5℃，左下肺可闻及湿啰音，杵状指。该患者最可能的诊断是
A.
慢性支气管炎
B.
支气管扩张
C.
肺结核
D.
肺脓肿
E.
支气管肺癌
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