In an Oracle 10g database， the in-memory statistics are gathered at regular intervals and used to perform growth-trend analysis and capacity planning of the database. Which component stores these statistics？（） ["recovery catalog","Oracle Enterprise Manager Repository","Automatic Workload Repository （AWR）","Oracle 10g Enterprise Manager Grid Control","Automatic Database Diagnostic Monitor （ADDM）"]
语言教育活动的"有计划"集中体现在哪些方面？
毒性噬菌体
真核微生物
An architectural design company with 45 employees has their office located within 5 kilometers oftheir disaster recovery center. They have an IBM System Storage N6040 installed at bothlocations. In this customer environment what protocol would be used for disaster recovery？（） ["NFS","CIFS","iFCP","iSCSI"]
西美尔认为劳动分工有什么影响。
