阿摩線上測驗
76.If you were observing an early stage in human development at which endoderm, mesoderm,
and ectoderm had just formed, you would be looking at a?
(A) Zygote；
(B) Gastrula；
(C)
Embryonic stage；
(D) Morula.
答案：登入後查看
統計： A(1), B(3), C(4), D(0), E(0) #3325482
統計： A(1), B(3), C(4), D(0), E(0) #3325482
