A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.(0,1/2)B.(0,1/2]C.(1/2,+∞)D.(0,+∞)E.A、B、C、D均不正确
[单选题]A.肺炎B.低蛋白血症C.心衰D.结核
[单选题]A.脾功能亢进B.再生障碍性贫血C.淋巴瘤D.慢性粒细胞白血病E.多发性骨髓瘤