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【单选题】

Respiratory support therapy for severe and critical cases of COVID-19, which of the following is correct? ()

A.
Nasal cannula or mask oxygen inhalation
B.
High flow nasal catheter oxygen therapy
C.
Non-invasive mechanical ventilation
D.
Invasive mechanical ventilation
E.
All of the above
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【多选题】Which of the following is correct about the definite treatment site for the new coronavirus pneumonia. ( )

A.
Suspected and confirmed cases should be isolated and treated in designated hospitals with effective isolation and protection conditions.
B.
Single patient isolation treatment for suspected patients.
C.
Suspected patients can be admitted to the same ward.
D.
Confirmed patients can be admitted to the same ward.
E.
Critical cases should be admitted to ICU as soon as possible.

【单选题】无形资产的摊销年限需要考虑的因素不包括()

A.
法定年限
B.
合同年限
C.
预计使用年限
D.
摊销方法