缺铁性贫血发展过程中较早出现的是（）
A.仅有贮存铁减少
B.血红蛋白减少
C.血清铁减少
D.红细胞减少
E.血清总铁结合力增高
参考答案：A
Tom’s team is _______ 55 players while Mary’s _____ 70 players
A．composed of; makes up
B．consisted of; makes up of
C．made up; consists of
D．made up of; consists of
下列腺体分泌消化酶种类最多的是（）
A.肠腺和胃腺
B.胃腺和胰腺
C.胰腺和肠腺
D.肠腺和唾液腺
