51.某人的肺活量(vital capacity)是4.8公升,潮氣容積(tidal volume)是0.5公升,吸氣儲備容積
(inspiratory reserve volume)是3.3公升。則其呼氣儲備容積(expiratory reserve volume)是多少公升?
(A)1.0
(B)1.5
(C)2.0
(D)2.5
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統計: A(1636), B(365), C(327), D(66), E(0) #1943471
統計: A(1636), B(365), C(327), D(66), E(0) #1943471