2. 职称英语
  3. How any fetus survives gestation has baffled scientists for decades: the embryo’

How any fetus survives gestation has baffled scientists for decades: the embryo’

游客2025-02-22  68
问题 How any fetus survives gestation has baffled scientists for decades: the embryo’s tissues are half foreign and yet, unlike______organ transplant, it isn’t normally rejected.
选项 A、an adaptive
B、a mismatched
C、a successful
D、an obdurate
E、a preplanned
答案 B
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3967417.html
相关试题推荐
随机试题
最新回复(0)