有效竞争标准有（） ["A、市场结构标准与市场绩效标准 ","B、市场结构标准、市场行为标准，市场绩效标准 ","C、集中度、市场进入、产品差别化 ","D、成本、规模、生产能力"]
Which command will list ODM class descriptions to provide the format needed to create a new class？（） ["A.odmadd","B.odmget","C.odmshow","D.odmcreate"]
封堵囊可使用（）次。 ["1","2","3","只要外观没问题可反复使用"]
夏季养护管理（4-10月份）
By setting the value of MEMORY_TARGET to zero and setting the value of SGA_TARGET to a nonzero value， you will enable which of the following memory-management options？（） [" Automatic PGA Memory Management"," Automatic SGA Memory Management"," Automatic Shared Memory Management"," Automatic Memory Management"," Manual SGA Memory Management"," None of the above"]
监护
