Given: What is the result？（） 1 2 3。 Compilation fails because of an error in line 12.。 Compilation fails because of an error in line 13.。 Compilation fails because of an error in line 14.。 A ClassCastException is thrown at runtime.。
广州公共汽车561路“柯子岭――车陂”，始末站为“柯子岭”和“车陂”，安排两个站长（基层调度员）分别负责这两个始末站的调度组织工作。设该线路17：00~18：00为高峰期，行车作业方案为高峰期单程运行时间40min，平峰期为35min。某天编号为001的车辆在线运行片段如下：第2车次在18：00从“车陂”开出，发车间距5分钟，车辆在18：35到达终点站“学校”站，运行是否正点？
You have specified the warning and critical threshold values of an application tablespace to be 60% and 70% respectively. From the tablespace space usage metrics， you find that the actual space usage has reached the specified warning threshold value， but no alerts have been generated. What could be the reason for this？（） The EVENT parameter was not set。 The SQL_TRACE parameter is set to FALSE。 The Enterprise Manager Grid Control is not used。 The STATISTICS_LEVEL parameter is set to BASIC。 The TIMED_STATISTICS parameter is set to FALSE。
You want to create a pie-style chart using the Chart Wizard. What must be you do to determine the fields available for use in this chart? （） Select the block that contains the data to appear in the pie chart. 。 Select the table that contains the data to appear in the pie chart. 。 Select the view that contains the data to appear in the pie chart. 。 Nothing. The wizard will automatically create the pie chart based on the highlighted data.。
在（）条件下天然气中某些气体组分能和液态水形成水化物 一定压力。 一定温度。 一定的压力和温度。
A corporation is not concerned about wireless use by Teleworkers. Authentication for any application first requires access via a web browser to a protected site. Given these requirements, choose the appropriate security feature to use to enforce the security policy.（）
