防止蛛网膜下隙出血患者再出血的最可靠方法是()
A.保持大便通畅
B.卧床休息4~6周
C.避免活动和激动
D.保持血压稳定
E.脑动脉瘤或血管畸形手术或放射介入治疗
参考答案:E
Have you returned the book to the library ____?
--- Yes, I have ____ returned it.
A.yet, yet
B.already, already
C.already, yet
D.yet, already
开放式基金的分红方式有( )。
A.增加投资份额
B.现金分红
C.股利分红
D.分红再投资转换为基金份额