某信息系统项目最终完成的可行性研究报告的主要内容包括以下部分:①项目背景和概述②市场前景分析③运行环境可行性分析④项目技术方案分析⑤项目投资及成本分析⑥项目组织及投入资源分析⑦可行性研究报告结论
某机构拟进行办公自动化系统的建设，有四种方式可以选择：①企业自行从头开发;②复用已有的构件;③外购现成的软件产品;④承包给专业公司开发。针对这几种方式，项目经理提供了如下表所示的决策树。其中在复用的情况下，如果变化大则存在两种可能，简单构造的概率为0.2，成本约31万元;复杂构造的概率为0.8，成本约49万元。据此表，管理者选择建设方式的最佳决策是()。
以下有关质量保证的叙述,()是错误的
下列关于分解的说法都正确，除了
The twins had been away for such a long time that many people in the village thought they ________.
He has deep love for the people and ________ loyalty to the country.
In the original test，all the animals in a test group are given a substance _______ half of them die
The general sent out word that no one in the bunker ________ to bed until further orders.
He talked a lot about things and persons ________they remembered in the school.
He bought a house for his children ________
In 1985,_______ became the first international hotel company to open a hotel in China bearing its own name.
The Netherlands is the only country in Europe which permits euthanasia, ________ it is not technically legal there.
Opposition leaders will be watching carefully to see how the Prime Minister ________ the crisis.
You’d better leave things ________ if you don ’t know how to deal with them