单项选择题

The ingredient missing from milled rice______.

A．was vitamin B
B．did not affected the chickens
C．was named the Eijkman vitamin
D．has never been accurately identified
<上一题 目录 下一题>
热门 试题

单项选择题
Deficiencies of the various vitamins______.
A．cause identical diseases
B．are no; serious except in the case of vitamin C
C．cause different diseases
D．are often caused by scurvy
单项选择题
What the last paragraph tells us is the author's ______.
A．detailed analysis of the ways of raising poultry in Bangladesh
B．great appreciation of the development of poultry industry in Bangladesh
C．critical view on the development of the poultry industry in Bangladesh
D．practical suggestion for kite improvement of the poultry industry in Bangladesh
相关试题