城市的四大基本职能：居住、（）、交通、游憩；
You work as a database administrator for Certkiller .com. In your Oracle database10g installation you have set ORACLE_BASE to /u01/app/oracle. Which objective will be achieved by this setting？（） ["The Oracle kernel will be placed in this location.","The Oracle software will be placed in this location.","The server parameter file （SPFILE） will be placed in this location.","The database files will be placed in this location， if not specified explicitly.","The location will be considered for the base of Oracle Managed Files （OMF）.","The location will be considered for the base of Optimal Flexible Architecture （OFA）."]
某患者，男性，60岁。吞咽食物时有梗噎感，临床初步诊断为食管癌，为确诊不需做的检查是（） ["钡餐X线检查","食管脱落细胞学检查","B超","纤维食管镜检查","CT检查"]
先天性遗传异常对药物代谢动力学的影响主要表现在（） ["口服吸收速度改变","药物体内生物转化异常","药物体内分布变化","肾脏排泄速度改变","以上对"]
Which two statements are true regarding the execution of the correlated subqueries？（） [" The nested query executes after the outer query returns the row."," The nested query executes first and then the outer query executes."," The outer query executes only once for the result returned by the inner query."," Each row returned by the outer query is evaluated for the results returned by the inner query."]
交流电在某一瞬间的数值称为（），某一时刻的最大瞬时值称为（）。
