搜题请搜索小程序“爱下问搜题”
问题 单项选择题

"关于严禁开办或变相开办各种药品集贸市场紧急通知"中明确规定，城乡集贸市场可以出售

A．中药饮片
B．化学原料药
C．自种自采的地产中药材
D．诊断用药
E．中成药

答案

参考答案：C

解答题
一个分数的分子比分母小6，如果分子分母都加1，则这个分数等于
1
4
，求这个分数？
查看答案
单项选择题

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 (96) . It determines how the various results are computed by the product and presents this information in the form of a (97) and associated scenarios. The second is (98) , which determines the classes and their attributes, then determines the interrelationships and interaction among the classes. The last step is (99) , which determines the actions performed by or to each class or subclass and presents this information in the form of (100)

A．collaboration diagram

B．sequence diagram

C．use-case diagram

D．activity diagram
查看答案