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
A. exposes B. exemplifies C. expresses D. explains
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