皮损处局部皮肤变薄，表面光滑而略低陷，且干燥易皱的，是何种皮损( )
A．斑疹B．皲裂C．苔藓样变D．瘢痕E．皮肤萎缩
参考答案：E
人身保险合同是以人的寿命和身体为保险标的的保险合同。
Which of the following statements about object oriented database is NOT correct
A．Each object has a unique object identity in the system
B．Encapsulation and inheritance are two important features of object oriented database
C．A subclass can inherit the attributes and methods of all its superclasses
D．A superclass includes the attributes and methods of all its subclasses
