汽车到达技术使用寿命时，应进行（）。 ["维护保养","小修作业","大修作业","报废处理"]
The EMPLOYEES table contains these columns: LAST_NAME VARCHAR2 (25) SALARY NUMBER (6,2) COMMISSION_PCT NUMBER (6) You need to write a query that will produce these results: 1.Display the salary multiplied by the commission_pct. 2.Exclude employees with a zero commission_pct. 3.Display a zero for employees with a null commission value. Evaluate the SQL statement: SELECT LAST_NAME, SALARY*COMMISSION_PCT FROM EMPLOYEES WHERE COMMISSION_PCT IS NOT NULL; What does the statement provide?（） ["all of the desired results","two of the desired results","one of the desired results","an error statement"]
信托
Click the Exhibit button. What is the result？（） ["4321","0000","An exception is thrown at runtime.","Compilation fails because of an error in line 18."]
病室环境管理操作要点包括：（） ["病床间距≥1m","室内温度、湿度适宜","保持空气清新、光线适宜","病室物体表面清洁，地面不湿滑，安全标识醒目","保持病室安静"]
合同法
