酶在分子拼接方面的应用有（） ["A.DNA连接酶 ","B.DNA聚合酶 ","C.末端脱氧核苷酸转移酶 ","D.反转录酶 ","E.自我剪接酶"]
You have an existing Windows Communication Foundation (WCF) service that exposes a service contract over HTTP. You need to expose that contract over HTTP and TCP. What should you do?（） [" Add a net.tcp base address to the host."," Add an endpoint configured with a netTcpBinding."," Add an endpoint behavior named netTcpBehavior to the existing endpoint."," Add a binding configuration to the existing endpoint named netTcpBinding."]
干制过程中养分的损失及原因。
存货ABC分类的标准中，（）是最基本的。 ["金额标准","数量标准","金额标准和数量标准","体积标准"]
You have 10 standalone servers that run Windows Server 2008.You install Windows Server Update Services （WSUS） on a server named Server1. You need to configure all of the servers to receive updates from Server1. What should you do？ （） ["Configure the Windows Update settings on each server by using the Control Panel.","Run the wuauclt.exe \/detectnow command on each server.","Run the wuauclt.exe \/reauthorization command on each server.","Configure the Windows Update settings on each server by using a local group policy."]
不安全心理状态主要有哪几种？
