案例分析题As mentioned above, C imposes relatively few built - in ways of doing things on the program- mer. Some common tasks, such as manipulating (1) , (2), and doing (3) (I/O), are performed by calling on library functions. Other tasks which you might want to do, such as creating or listing directories, or interacting with a mouse, or displaying windows or other (4) elements, or doing color graphics, are not defined by the C language at all. You can do these things from a C program, of course, but you will be calling on services which are peculiar to your programming environment (5), processor, and operating system) and which are not defined by the C standard. Since this course is about portable C programming, it will also be steering clear of facilities not provided in all C environments. (1)处应选择()
A. lines
B. strings
C. threads
D. routes
案例分析题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 () . It determines how the various results are computed by the product and presents this information in the form of a () . and associated scenarios. The second is () , which determines the classes and their attributes; Then determine the interrelationships and interaction among the classes. The last step is () , which determines the actions performed by or to each class or subclass and presents this information in the form of () . The first step is ().
A. use-case modeling
B. class modeling
C. dynamic modeling
D. behavioral modeling
2008年8月,H省W市A房地产开发公司通过出让方式在W市城市规划区内取得20亩建设用地使用权,拟开发建设一大型商场,土地出让金1800万元,建设用地使用权出让合同约定自2009年1月1日开工建设。建设工期为3年,且该3年的计划投资额分别为1200万元、3600万元、2600万元,年均价格上涨率为6%。由于A房地产开发公司自身原因,该项目直到2010年2月1日才开工建设。A房地产开发公司为了融资,将该土地使用权抵押给B商业银行,贷款1000万元,并办理了抵押登记。2012年3月1日该商场建成,由于市场行情原因,该物业未能出售,A房地产开发公司利用一部分自主经营,其他部分出租,抵押贷款到期并经延期一年至2012年6月1日后,A房地产开发公司仍无力还款,B商业银行依法定程序,委托C拍卖公司拍卖该商场,最终由D房地产开发公司竞得。据此,请回答下列问题: 由于A房地产开发公司自身原因,该项目直到20lO年2月1日才开工建设。对此,可对A房地产开发公司收取( )万元以下的土地闲置费。
A. 180
B. 360
C. 900
D. 1800