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單項(xiàng)選擇題

A.Costal surface
B.Middle lobe
C.Medial surface
D.Apex of lung
E.Inferior lobe

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A.Pulmonary artery
B.Pulmonary veins
C.Trachea
D.Pulmonary nerves
E.Bronchial vessels

A.Trachea
B.Bronchi
C.Lungs
D.Pharynx
E.Oral cavity