脱丁烷塔丁烷产品中C3含量偏高可能是（） ["脱丁烷塔底至沸温度高","脱丁烷塔顶回流小","脱丙烷塔底再沸温度偏低"]
Coherence provides the ideal infrastructure for building _____ services， and the ______ applications.（） [" Data Grid； Client and Server based"," Outster； Client and Server based"," Data Grid；DNS based"," Cloud cluster；Client and Server based"]
注意的基本特征是（） ["A.间接性 ","B.指向性 ","C.概括性 ","D.集中性"]
You work as a database administrator for Certkiller .com. You want to administer your database servers，which are running on different host machines，using the Web-enabled grid control interface. You have configured the agent on the host machines. You have started the Oracle Database 10g Grid Control utility on your machine. Which two additional components would you configure to achieve this objective？（） ["Application Server Control","Oracle Management Service","Oracle Enterprise Manager Repository","Oracle Enterprise Manager Database Control"]
在气瓶上使用警示标签可以提供（）信息。 ["瓶装气体名称及化学分子式；","混合气体主要成份的名称和化学分子式；","瓶装气体的充装方法；","瓶装气体应采取预防措施的附加说明"]
什么是美术语言？
