血清铁减低,总铁结合力增高及转铁蛋白饱和度减低见于()
A.海洋性贫血
B.感染性贫血
C.缺铁性贫血
D.再生障碍性贫血
E.铁粒幼细胞性贫血
参考答案:C
Liu Xiang has failed over and over again in the past years. And that's _________ he succeeds.
A.what
B.when
C.why
D.where
下列属于不协和音程的是()。
A.纯一度
B.大三度
C.纯五度
D.小二度