诊断早期慢性肺源性心脏病的主要依据是（）
A.慢性肺部疾病
B.肺气肿体征
C.肺动脉高压征
D.右心功能不全
E.呼吸衰竭
参考答案：C
The apples are delicious. I’d like to have third one because second one is rather too small and I had little food at lunch.
A．a; a; the
B．the; the; the
C．a; the; /
D．a; a; /
室外消火栓应沿高层建筑均匀布置，消火栓距路边的距离不宜大于（）。
A、1.00m
B、2.00m
C、3.00m
D、4.00m
