题目内容
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提问人:网友zgd3228414
发布时间:2022-01-07
[主观题]
10. Families and businesses in Britain only generate less than one-third of the total municipal waste.
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A、gas exchange between pulmonary alveoli and blood.
B、gas exchange between air and anatomic dead space.
C、gas exchange between atmosphere and lung
D、the process O2 enters alveolar from atmosphere
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