哪种疾病骨髓穿刺时易发生“干抽”（）
A.再生障碍性贫血
B.骨髓纤维化
C.急性白血病
D.巨幼细胞性贫血
E.脾功能亢进
参考答案：B
语句积累。
1．听君一席话， 。
2． ，半夜鲤鱼来上滩。
3．我是一颗星星，从 。
4．我们的手，是小鸟， 。
Eight children were killed and five were wounded the second knife attack that happened in Fujian Province on March 23,2010.
A．as a result of
B．as for
C．in addition to
D．in favor of
