問題詳情
35.tWhich of the following demonstrates the charactoistics of a respiratory sur&ce?
(A)ta surfoce consisting of multiple layers of epithelial ceils
(B)tthe exoskeleton of an insect
(C)tthe nasal passages of a mammal
(D)ta thin surface consisting of a single layer of epithelial cells
(E)tthe outer membrane of a mitochondrion
參考答案
答案：D
統計：A:0,B:0,C:0,D:3,E:0
難度：計算中