You are the network administrator for Alpine Ski House. The network consists of a single Active Directory forest that contains three domains named alpineskihouse.com， child1.alpineskihouse.com， and child2.alpineskihouse.com. The functional level of the forest is Windows Server 2003. Each domain  contains Windows Server 2003 file and print servers. All of the file and print server computer accounts are located in the default Computers container in each domain. There is a central operations department that is responsible for administering the file server computer accounts in all domains. There is a separate operations department for each domain that is responsible for administering the print server computer accounts in that domain. You need to delegate authority to create an environment to support your file and print server administration requirements. You need to create an organizational unit （OU） structure to support the delegation of authority requirements.  What should you do？（） [" Create a top­level OU for file server computer accounts under the alpineskihouse.com domain. Create a top­level OU for print server computer accounts under the alpineskihouse.com domain."," Create a top­level OU for file server computer accounts under the alpineskihouse.com domain. Create a top­level OU for print server computer accounts under each domain."," Create a top­level OU for file server computer accounts under each domain. Create a top­level OU for print server computer accounts under each domain."," Create a top­level OU for file server computer accounts under each domain. Create a child OU for print server computer accounts under each file server OU."] 下面关于酶的描述，哪一项不正确？（） ["所有的蛋白质都是酶","酶是生物催化剂","酶是在细胞内合成的，但是可以再细胞外发挥催化功能","酶具有专一性","酶在强碱、强酸条件下会失活"] 对比系统开发的主要方式，说明各种方式的优缺点。 试述在系统分析阶段进行系统初步调查的内容。 凡货物与样品难以达到完全一致时，不宜采用（）。 ["凭说明买卖","凭样品买卖","凭等级买卖","凭规格买卖"] 土的液限和塑限联合测定时，要求土样为（）。