荧光假单胞菌可在()℃生长,故易于污染血库或血液制品。
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根据1974年加拿大政府发表的《加拿大人民健康的新前景》一文,判断下列哪项不是影响人类健康的主要因素。()
A. 不健康的行为因素和生活方式
B. 环境因素
C. 生物因素
D. 民族的风俗习惯
E. 现有卫生保健系统缺陷
Your network contains a single Active Directory site. You plan to deploy 1,000 new computers that will run Windows 7 Enterprise. The new computers have Pre-boot Execution Environment (PXE) network adapters. You need to plan the deployment of the new computers to meet the following requirements: èSupport 50 simultaneous installations of Windows 7 èMinimize the impact of network operations during the deployment of the new computers èMinimize the amount of time required to install Windows 7 on the new computers What should you include in your plan?()
A. Deploy the Windows Deployment Services (WDS) server role. Configure the IP Helper tables on all routers.
B. Deploy the Windows Deployment Services (WDS) server role. Configure each WDS server by using native mode.
C. Deploy the Windows Deployment Services (WDS) server role and the Transport Server feature.Configure the Transport Server to use a custom network profile.
Deploy the Windows Deployment Services (WDS) server role and the Transport Server feature. Configure the Transport Server to use a static multicast address range.
核糖体-LA位点的作用是()。
A. 接受新的氨酰基-tRN到位
B. 含有肽转移酶活性,催化肽键的形成
C. 可水解肽酰tRN释放多肽链
D. 是合成多肽链的起始点
E. 接受肽酰基-tRN结合到位