题目内容
(请给出正确答案)
[主观题]
The chemical substance missing from polished rice______A.was vitamin BB.did not affect the
The chemical substance missing from polished rice______
A.was vitamin B
B.did not affect the chickens
C.was named the Eijkman vitamin
D.has never been accurately identified
如搜索结果不匹配,请 联系老师 获取答案