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【单选题】
慢性阻塞性肺疾病,加强腹式呼吸的原因是A.
有利于痰液排出
B.
增加肺泡张力
C.
使呼吸幅度扩大增加肺泡通气量
D.
借助腹肌进行呼吸
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反馈参考答案：
举一反三
【单选题】According to this text, the author is likely to agree that
A.
debt is unavoidable as well as necessary.
B.
a booming economy always follows a debt rise.
C.
more debt has been related to less growth.
D.
debt is reaching its limit to boost economy.
【单选题】It seems unavoidable for him to divorce with his wife.
A.
available
B.
inevitable
C.
consistent
D.
critical
【简答题】政府的特征是“强制”，营利组织的特征是“自愿”和“互利”，而非营利组织的特征是_______和_______。
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