促进非血红素铁吸收的因素有()
A.植酸盐
B.草酸盐
C.单宁酸
D.维生素C
E.维生素D
参考答案:D
解析:维生素C是铁吸收的有效促进因子。
B. 请根据句意从方框中选择合适的词,并用其适当形式填空,使句子通顺。
小题1:I think this information will make people take action to protect the endangered animals.
小题2:They are children, because they don’t get good food, fresh air and enough exercise.
小题3:Look! Many fans are waiting for the of Yang Mi outside the gate.
小题4:The boy in the picture is Jack . But he doesn’t know it.
小题5:The director passed away peacefully in his house on a morning.
()为百合科著名滋补药品。
A.绞股蓝
B.黄精
C.人参
D.党参