环境污染物经各种途径通过机体生物膜进入血液的过程被称为()
A.吸收
B.分布
C.转移
D.蓄积
E.代谢
参考答案:A
人体内铁通过哪种形式贮存()
A.血清铁饱和度
B.铁蛋白
C.血红蛋白
D.转铁蛋白
E.总铁结合力
—Do you like to buy the product an advertisement ______ on TV?
—Not really.I think it's better to look before we leap.
A.advises
B.suggests
C.announces
D.praises