A. over B. by C. from D. with
A. profit B. cost C. budget D. facility
A. what B. which C. who D. whom
A. was B. was used C. used D. was about
A. 不提供 B. 提供自助打印复印一体化服务，在多媒体阅览室发送打印文件，在三楼样本、工具书阅览室和四楼期刊阅览室的自助打印复印机上可以拿到文献
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