李芳患了流感并伴有发烧、咳嗽等症状,医生建议她做血液化验,请你推测,在其血液化验单上血细胞的数目可能明显增多的是( )
A.红细胞
B.白细胞
C.血小板
D.血红蛋白
答案:B
下列物质能够反应,且没有明显现象的是 [ ]
A.Na2CO3溶液加入澄清石灰水中
B.Fe2O3加入NaOH溶液中
C.稀HCl滴入Ba(OH)2溶液中
D.CO2通入澄清石灰水中
Traditional structured analysis techniques focus upon the flow of (71) within a system. Object-oriented analysis emphasizes the building of real-world models. It examines requirements from the perspective of the classes and objects found in the vocabulary of the (72) domain. Traditional system design method emphasizes the proper and effective structure of a complex system. Object-oriented design method encompasses the process of object-oriented decomposition and a (73) for depicting both logical and physical as well as static and dynamic models of the system under design. Object-oriented programming is a method of implementation in which programs are organized as cooperative collections of objects, each of which represents an (74) of some class, and whose classes are all members of a hierarchy of classes united via (75) relationships.
(72)处填()。
A.problem
B.solution
C.data
D.program