搜题请搜索小程序“爱下问搜题”
问题 单项选择题

UML 的事物是对模型中最具有代表性的成分的抽象， （） 是模型的静态部分，描述概念或物理元素; （） 用来描述、说明和标注模型的任何元素。

（）是模型的静态部分，描述概念或物理元素

A．结构事物

B．分组事物

C．行为事物

D．注释事物

答案

参考答案：A

改错题

Dear Mrs. Winthrop,

　　So my first week at college is over! No lectures this morning so I think I’d email you and let you know what things are going.

　　I’m glad to say that anything has worked out fine in the dorm. I remember asking for a room as far away from the lifts as possible and they find me a comfortable one second floor. There are two girls from my course here and I plan to make friend with them so we can help each other on the course work. Everyone else seems very nice and warmly here.

　　Well, I had better to stop now. I’m going to attend mine first lesson this afternoon, for I’ve got some preparation to make, Keep in touch.

　　Best,

Carol
查看答案
单项选择题

某笔投资分3年回收，投资者期望收益率为8%，预计未来3年年初回收额分别为100万元、150万元和80万元。若改为按年等额回收，则每年年末回收金额为（）万元。

A.110.00

B.110.47

C.119.31

D.172.43
查看答案