问题 单项选择题

图可以广泛用于描绘各种类型的信息处理问题及其解决方法。根据《中华人民共和国国家标准GB1526-1989》,用来表示程序激活路径和程序与相关数据的相互作用的图形工具是()

A.数据流程图

B.程序网络图

C.系统流程图

D.程序流程图

答案

参考答案:B

解析:根据《中华人民共和国国家标准GB1526-1989》中的相关内容,图可广泛用于描绘各种类型的信息处理问题及其解决方法。其中:数据流程图表示求解某一问题的数据通路程序网络图表示程序激活路径和程序与相关数据的相互作用系统流程图表示系统的操作控制和数据流程序流程图表示程序中的操作顺序根据以上内容分析可知,正确答案应选B。

单项选择题 A1/A2型题
单项选择题

Home prices slid in November, raising questions about whether the housing recovery is robust enough to maintain a sustained turnaround. From October to November, home prices fell 0.2% after (1) 0.1% in October, according to a report Tuesday by Standard & Poor’s/Case-Shiller’s home price index. (2) five of the 20 metro areas (3) by the index saw price increases for the month.
On a(n) (4) basis, prices were 5.3% lower in November than in November 2008. Prices were the same as in late 2003. "What we’ve seen (5) the past couple of months is that the pace of (6) has fallen down," says Maureen Maitland of Standard & Poor’s. "Some markets have (7) Is that because we haven’t (8) the foreclosure (回赎权的取消) cycle Because of unemployment We’re not seeing the (9) we were seeing in the last summer months. "
Metro areas that have seen a retreat in home prices (10) Seattle, Charlotte, Las Vegas and Tampa. All four (11) gains they made in recent months (12) . (13) , for the 20-metro index, the annual rate of decline is improving. That (14) , with other recent housing reports that show prices (15) or accelerating, could point to (16) the housing market is starting to (17) its footing, some economists say. Existing home sale prices were $178 300 in December, which is 1.5% higher than December 2008, according to a report this week by the National Association of Realtors. That was the first year-over-year (18) in median price since August 2007.
"The most (19) thing we can say is not only the market is stabilizing, but we’ve seen that housing demand is p," says Bernard Baumohl, with the Economic Outlook Group. "Housing probably will continue to climb upwards through the summer, (20) it could slip a little as the tax credit expires. \

A.signs

B.index

C.news

D.marks