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【多选题】
下列关于稳定期COPD管理的说法正确的是（）A.
以改善症状和生活质量为目标，进行个体化的管理
B.
健康教育在COPD患者戒烟过程中非常重要
C.
大部分研究显示现有的COPD药物治疗能够改善长期的肺功能下降
D.
药物治疗主要用于减少症状和/或并发症
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举一反三
【单选题】Arriving home, she started with math. She had always been a good math student, but now she was . [ ]
A.
struggling
B.
improving
C.
working
D.
complaining
【单选题】In those days she was always so lost in thought that she had to be called two or three times ______ she came to her dinner.
A.
until
B.
after
C.
when
D.
before
【简答题】In those days she was always lost in thought．so that she had to be called three or four times＿＿＿she came to her dinner．
【单选题】In those days she was always lost in thought, so that she had to be called three or four times ______ she came to her dinner.
A.
until
B.
after
C.
when
D.
before
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