第三章单元测试
- The process of reviewing literature is （ ）.
- The standards of judging and choosing materials are （ ）.
- Background sources refer to general or specialized reference works.（ ）
- Critical sources refer to the books in libraries and bookstores.（ ）
- General reference works include encyclopedias, almanacs, atlases, and biographical references.（ ）
A:to and fro
B:once and for all
C:back and forth
D:for once and always
答案:to and fro
###back and forth
A:interesting
B:relevance
C:depth
D:up-to-dateness
A:错 B:对
A:对 B:错
A:错 B:对
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