Medline光盘数据库的内容涵盖三种重要的纸本医学文献检索工具,它们是( )。(本题4.0分) A、 BA、IM、EM B、 BA、EM、International Nursing Index C、 BA、Index to Dental Literature、International Nursing Index D、 IM、Index to Dental Literature、International Nursing Index
参考答案:
It is pointless ________ with him about this matte
It is pointless ________ with him about this matter.A. talkB. to talking