按贫血的发病机理分类正确的是
A.红细胞破坏增多即溶血性贫血
B.红细胞生成减少即造血不良性贫血
C.失血性贫血
D.小细胞低色素性贫血
参考答案:A,B,C
. --- My teacher told me just now that I passed the test!
--- ______.
A.Go ahead
B.At your pleasure
C.I’m so glad for you
D.with pleasure
电动机试运转,轴承各部温度不应超过()℃。
A.40
B.50
C.60
D.70