投保人以可保利益的全部或部分，分别向数个保险人投保同一险种，但保险金额总和不超过保险

Object-oriented analysis (OOA) is a semiformal specification technique for the object-oriented paradigm. Object-oriented analysis consists of three steps. The first step is (71) . It determines how the various results are computed by the product and presents this information in the form of a (72) and associated scenarios. The second is (73) , which determines the classes and their attributes. Then determine the interrelationships and interaction among the classes. The last step is (74) , which determines the actions performed by or to each class or subclass and presents this information in the form of (75) .

（73）处填（）。

A．use-case modeling

B．class modeling

C．dynamic modeling

D．behavioral modeling

______就是表示实体类型及实体之间联系的模型，数据模型的种类很多，目前可分为两种类型。

在“苟能体坚厚之实，居不薄之真”中，“居”之义为（）

A.居住

B.待在

C.安于

D.停留

固定式配电箱开关箱中心点与地面的相对高度应为（）。

A.0.5m

B.1.0m

C.1.5m

D.1.8m

进口散装橄榄油1000吨，保险金额为500万美元，到港后短少20吨。（1）试计算保险赔款；（2）若保单中规定有0.5%的绝对免赔率，保险赔款应是多少？