我国新民主主义文化教育方针的提出是在（） ["1945年","1949年","1957年","1958年"]
一般来说，用于毒理学安全性评价的主试物应采用工业品或市售商品，而不是纯化学品。
All client computers on your company network run Windows 7 and are members of a Windows Server 2008 R2 domain. The R&D department staff are local administrators on their computers and are members of the R&D global security group. A new version of a business software application is available on the network. You plan to apply an AppLocker security policy to the R&D group. You need to ensure that members of the R&D group are not allowed to upgrade the software. What should you do?（） ["Create an Audit only restriction based on the version of the software.","Create an Audit only restriction based on the publisher of the software.","Create an Enforce rule restriction based on the version of the software.","Create an Enforce rule restriction based on the publisher of the software."]
时俊卿《基于学情分析的课堂教学策略》中指出：学生是学习的主体，教师只有全面了解学生，充分关注（），才能使教师的教更有效地服务于学生的学。
容载利用系数为1.0272，其表明的是（） ["在库房载重量被充分利用的情况下，有2.72%的库房高度未被利用","在库房高度被充分利用的情况下，有2.72%的库房载重量未被利用","在库房载重量被充分利用的情况下，有2.65%的库房高度未被利用","在库房高度被充分利用的情况下，有2.65%的库房载重量未被利用"]
网上广告有哪些值得关注的法律问题？
