根据物权的发生是否基于当事人的意思为标准,可将物权分为______。
A.法定物权
B.应经登记的物权
C.有期限物权
D.意定物权
E.无期限物权
参考答案:A,E
An increasing number of students, year by year, across China ____ hard to realize their dream of studying abroad.
A.is trying
B.are trying
C.will try
D.have tried
肥厚型心肌病的超声诊断错误的是()。
A.梗阻者的左室流出道内径小于20mm
B.左室后壁与室间隔厚径比值>1.5
C.室间隔与左室后壁厚径比值>1.5
D.梗阻者出现SAM现象
E.室间隔肥厚厚度常>15mm