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某公司有A、B、C3项业务，分别提供不同的产品和服务为寻求企业资源的最佳组合，该公司采用波士顿矩阵对上述3项业务进行了分析，结果如图5.1所示。
为了进一步预测B业务的产品市场，该公司的咨询人员讨论了各种预测方法。其中甲咨询工程师认为移动平均是一种因果分析方法，可用于长期预测；一元回归分析是一种时问序列方法，适合近期或短期预测。
咨询人员最终采用回归分析法进行预测，预测结果2015年B业务的产品市场需求为3000万台。检验系数t（α/2，n-2)＝2.04，S0＝140（其中α＝0.025，n＝30)。
问题
1、根据波士顿矩阵分析结果，判断A、B、C各属于哪一类业务，分别说明其特点及应采用的策略。
2、甲咨询工程师对移动平均法和回归分析法的看法是否正确？说明理由。
3、根据市场需求预测结果，分析2015年B业务的产品需求量的区间及其可能的概率。
知识点本题考点涉及教材《项目决策分析与评价》中市场分析与战略分析的有关内容。
试题类型：选答,填空 难度系数：❤❤ 更新时间：2021/01/14
在窗体上画一个名为Command1的命令按钮，编写如下程序
程序运行后，单击命令按钮，输出的结果是_____。
下列自定义函数NTOC()的功能是当传送一个1～7之间的数值型参数时，返回一个中文形式的“星期日～星期六”。例如，执行命令？NTOC(4)，显示“星期三”。为程序填空，完成程序功能。
参照函数模板的写法，完成非模板函数的定义，语句为_______。
In the United States and in many 【51】 countries around the world, there are four main ways for people to be informed 【52】 developments in the news: Newspapers, magazines, and 【53】 or television news broadcasts. A person may use one, or all, of these 【54】 for information. Each source is useful in its own way. Newspapers and magazines can give much 【55】 about a particular event. They may provide some history of the event, some of its causes, some of its effects, or perhaps give an opinion or point of view on a particular development. Radio and television can help a person to be well-informed about what is 【56】 each day. It is also possible to listen to the radio or 【57】 TV and do something 【58】 at the same time. Many people can listen to the news 【59】 their car radio while 【60】 somewhere. For the student of English 【61】 a foreign language, an English language newspaper may be the most helpful news source 【62】 will also give you practice in reading English.
Most daily English language newspapers are not very hard to read. They are interesting and helpful in many ways. In some of them, you may be able to find news about your native country. You will find news, and information about important national and international political developments. No matter what you are interested in, you can probably find something in the newspaper about it. A story in the newspaper may help you 【63】 a problem. Other stories may be about good movies, concerts, or TV shows.
Usually, an English language newspaper has several sections or parts. Each part of the newspaper 【64】 stories about different kinds of news. Some sections have a lot of advertisements which may be helpful if you want to save money. By reading the 【65】 , you may find something you want on sale. Or you may find that two stores are advertising the same thing, but at one store the 【66】 is lower. Other sections may have fewer advertisements or have only a specific type of advertisement to interest the people who read that section of the paper.
The first section of the paper usually has the most important 【67】 in it. Important 【68】 in national and international government and politics will be mentioned in the first section, and usually 【69】 the first page. Other news that is important to the people 【70】 read the paper will also be in the first section. For example, The New York Times usually has stories about national and international news on the first page. There and on the other pages of the first section, the Times also has news about New York City and other nearby areas. This local news is important to many people who read The New York Times.
(51)
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论述题要求论述紧扣题意，合乎逻辑。
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