关于精神分裂症单纯型,下列说法正确的是()
A.多在中青年起病
B.起病多呈亚急性
C.常有意志行为增强
D.常出现关系妄想
E.预后较差
参考答案:E
Which of the following is least likely a disadvantage of a callable bond to an investor The:()
A. investor is exposed to reinvestment rate risk.
B. cash flow pattern of a callable bond is not known with certainty.
C. issue often offers a higher coupon rate than a comparable option-free bond.
下列哪种病变形成的腔属于空腔()
A.虫蚀样空洞
B.结核性空洞
C.肺大泡
D.薄壁空洞
E.癌性空洞