慢性阻塞性肺疾病常见的并发症有（）
A.慢性肺源性心脏病
B.肺癌
C.自发性气胸
D.慢性呼吸衰竭
E.大咯血
参考答案：A, C, D
网眼
When I was in kindergarten, I was often _____ by my teachers to be polite to the adults.
A．reminded
B．forgiven
C．allowed
D．impressed
