脾切除对减轻溶血和减少输血量有帮助的是()。
A.自体免疫性溶血性贫血
B.海洋性贫血
C.遗传性球形红细胞增多症
D.自体免疫性血小板减少性紫癜
E.以上都不是
参考答案:B
—What do you think of the project put forward by the Blacks?
—Considering its real ________,it will be well worth putting into practice,I suppose.
A.reward
B.prize
C.cost
D.value
流产发生于妊娠多少周以前者称为早期流产()
A.6
B.8
C.10
D.12
E.14