酶分子定向进化的方法有() ["盒式突变","易错PCR","DNA改组技术","随机引物体外重组法","大引物突变法"]
You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There are queries that have an estimated execution cost less than 3. You intend to configure the instance, make it use a single thread for these queries. In the options below, which sp_configure configuration option should you set?() ["You should set query governor cost limit","You should set cost threshold for parallelism","You should set priority boost ","You should set precompute rank"]
想象形式包括() ["再现性想像","回忆性想像","创造性想像","理性的想像"]
下列哪一项不属于云计算的方式()。 ["平台及服务","开放信息服务","基础设施服务","软件及服务"]
在抗日民族统一战线中,争取中间势力,就是争取()。 ["民族资产阶级、开明绅士和地方实力派","城市小资产阶级和流氓无产阶级","贫农、中农和富农阶级","地主阶级和各地军阀"]
行为的消退