第六章单元测试
- Most library catalogues allow a researcher to look for books by author, title, or subject. （ ）
- Periodical databases help you locate magazine and journal articles. （ ）
- As your textbook explains, periodical databases are particularly useful for finding reference works such as encyclopedias. （ ）
- General periodical databases such as ProQuest Research Library and LexisNexis Academic Universe give you access to the full texts of many articles. （ ）
- The Statistical Abstract of the United States is the standard reference source for numerical information on the social, political, and economic aspects of American life. （ ）
A:错 B:对
答案:对
A:对 B:错
A:错 B:对
A:对 B:错
A:对 B:错
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