反射星云

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) .

72（）

A．collaboration diagram

B．sequence diagram

C．use-case diagram

D．activity diagram

假如你正在兴致勃勃地和同事谈论领导的缺点，领导出现了，你该怎么办领导的能力比你低，你该怎么做如果领导比你强很多，你又该怎么做？

根据上述图表，下列正确的一项是（）。

A．深圳市的进出口贸易额在全省总量中所占比重最大，优势明显

B．从2008年年底的进出口统计看，东莞市2008年对外贸易总额比2007年低

C．广东省2008年进出口总额增幅最小的是珠海市

D．广州市2008年进口总额增幅比出口总额增幅低

— How many people are still leading ________ life under ________ poverty line in the world?

— Perhaps one fourth.[ ]

A. a; the  

B. a; a

C. /; /  

D. the; /

"Dr. Faustus" is a play based on the English Legend of a magician aspiring for knowledge and finally meeting his tragic end as a result of selling his soul to the Devil.