1、Which are not special population？
A、 Worker
B、Pregnant woman
C、Infant
D、Athlete
2、Protein from food or a protein supplement acts the same in the body.
A、错
B、对
3、（ ）needs to be given at birth to prevent hemorrhagic disease（出血性疾病） of some newborns.
A、vitamin A
B、vitamin K
C、 vitamin D
D、vitamin C
4、（ ）is the basic materials of fetal growth and development
A、 fat
B、 protein
C、water
D、carbohydrate
5、Which could not through mammary gland to milk？
A、 Iron
B、vitamin B1
C、Ca
D、fat
