巨幼红细胞性贫血应选用()
A.维生素K
B.肝素
C.叶酸
D.垂体后叶素
E.链激酶
参考答案:C
The lawyer()the jury (陪审团) by his moving defense.
A.won at
B.won over
C.came at
D.came down
制冷装置蒸发器结霜则压缩机吸气过热度:()。
A.增大
B.减小
C.不变
D.如何变视制冷剂而定