GB50204-2002规定：混凝土用粗骨料，其最大颗粒粒径不得超过构件截面最小尺寸的()。
A. 1/2
B. 1/3
C. 1/4
D. 1/5
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IdeaPad Y450的桌面导航功能能支持自定义应用软件，比如把QQ作为桌面导航中的图标。
A. 正确
B. 错误
在检验扼死尸体现场时，要注意发现并提取受害人手中的（）、（）、（）、（）、（）等异物做为侦查物证。
When you create a network implementation VLAN solution， what is one procedure that you should include in your plan？（）
A. Perform an incremental implementation of components.
B. Following the PPDIOO model， implement the entire solution and then test end-to-end to make sure that it is performing as designed.
C. Implement trunking of all VLANs to ensure that traffic is crossing the network as needed before performing any pruning of VLANs.
D. Test the solution on a segmented portion of a lab network prior to rolling out across the entire network.
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