To create accurate and useful demand forecasts, revenue managers look to three sources of data: historical, current and future data.

Indexes are _______. A: primary sources B: secondary sources C: tertiary sources

Papers in a journal are ______. A: primary sources B: secondary sources C: tertiary sources

（）是struts-config.xml文件配置数据源的标签。 A: data-source B: data-sources C: set-property D: form-beans

In exploring data for a research proposal, sources can be divided into ____________.primary A: primary source and secondary source B: first source and second source C: direct source and indirect source D: main source and minor source

Allen Winkler, CFA, recently had lunch with Kim Thompson, a former professor of his, who told him of a new valuation model she had developed. Winkler recreated Thompson's model with some revisions and back-tested it using data provided by Standard & Poor's (S&P) with impressive results. Winkler's firm launches a mutual fund based on the revised model, and Winkler provides a discussion of the principles underlying the model and the test results. Is Winkler required to credit Thompson for having developed the model and S&P as the source of the data? A: Both of these sources must be cited. B: Neither of these sources must be cited. C: Only one of these sources must be cited.

使用 MDT 时，原始安装映像的名称和位置是什么？ A: x:\Sources\install.wim B: x:\Sources\boot.wim C: x:\Sources\install.iso

Primary sources are documents, reports, recordings, or other sources of information that are created most probably through__________ and_________ .

For citation of the content, there are two methods: quoting the original sources directly and paraphrasing the sources with your own words.

The two types of sources are ________ and ______.