下列关于信息系统开发策略的假设中,属于原型化方法开发策略的基本假设是( )。

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问题:

下列关于信息系统开发策略的假设中,属于原型化方法开发策略的基本假设是( )。  Ⅰ.所有的需求能被预先定义  Ⅱ.有快速的系统建造工具  Ⅲ.项目参加者之间通常能够清晰地进行通信  Ⅳ.需要实际的、可供用户参与的系统模型  Ⅴ.大量的反复是不可避免的,应该加以鼓励

A.Ⅰ,Ⅱ和Ⅳ

B.Ⅱ,Ⅲ和Ⅳ

C.Ⅱ,Ⅲ和Ⅴ

D. Ⅱ,Ⅳ和Ⅴ

考点:计算机等级考试信息管理技术计算机三级(信息管理技术)20
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Kofi Annan says helping survivors of last week’ s earthquake and (1) . in the Indian Ocean is (2) . The United Nations secretary-general says countnes that have offered aid must (3) and provide it. The offers add up to around (4) dollars. Unitd Nations officials say (5) of that is needed during the next six months.
The concern about offers of international aid is (6) . For example, the earthquake in Bam, Iran, in (7) of 2003 killed more than (8) people. Countries and groups offered hundreds of millions of dollars (9) . The United Nations says it has (10) only about (11) dollars in aid received so far. Governments and organizations that offered help (12) that, however.
On (13) Mr. Annan met with world leaders in Jakarta, Indonesia to discuss aid for (14) . The leaders discussed and (15) the idea of (16) owed by affected nations. But the leaders did not say they would do so. Some said that (17) to survivors would be more helpful.
Representatives of (18) countries and international organizations attended the meeting in Jakarta. Officials say they will cooperate to develop (19) for the Indian Ocean and the (20) .

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韩国赠与税免征项目不包括( )。

A.赠与政党的财产

B.国家赠与的财产

C.居民受赠人接受配偶、直系亲属和其他家庭成员等亲属的赠与

D.赠与的教育费、奖学金

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影响解吸的操作因素?

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采煤工作面采用密集支护切顶时,两段密集支柱之间必须留有宽()m以上的出口。

A、1

B、0.5

C、0.6

D、0.8

题型:单项选择题

2岁女孩,突然出现阵发性哭闹、腹痛伴呕吐,应考虑的疾病有().

A.急性阑尾炎

B.巨结肠伴肠炎

C.肠系膜淋巴结炎

D.上呼吸道感染

E.急性肠套叠

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