阿摩線上測驗
27. Cornea transplant in humans is almost never rejected. This is because
(A) it is composed of enunleated cells
(B) it is a non living layer
(C) it has no blood supply
(D) its cells are least penetrable by bacteria
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統計： A(0), B(0), C(1), D(0), E(0) #3387217
統計： A(0), B(0), C(1), D(0), E(0) #3387217
