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【单选题】
下列哪符合呼吸衰竭的概念:A.
通气障碍所致
B.
换气障碍所致
C.
V/Q比例失调所致
D.
外呼吸严重障碍所致
E.
内呼吸严重障碍所致
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【单选题】The boy __________ his dog well every day. [ ]
A.
looks for
B.
looks after
C.
looks like
D.
look after
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【简答题】If your dog looks pleased to see you – it is probably because it loves the particular way you smell. The odour of a familiar human apparently lingers like perfume in the animal’s brain – where it trig...
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