题目内容

大肠杆菌RNA聚合酶能催化引物的合成。

A. 正确
B. 错误

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激励的本质是加强、引导和维持行为的活动或者过程

A. 正确
B. 错误

A database user SMITH tries to query the V$SESSION view and fails to access it as follows: SQL> connect smith/smith Connected. SQL> SELECT * FROM v$session; SELECT * FROM v$session * ERROR at line 1: ORA-00942: table or view does not exist Which are the two possible solutions to enable SMITH to query the data in V$SESSION()

A. granting SELECT privilege to SMITH on V$SESSION
B. granting SELECT privilege to SMITH on V_$SESSION
C. asking the user SMITH to run the catalog.sql script
D. granting SELECT privilege to SMITH on V$FIXED_TABLES
E. setting the O7_DICTIONARY_ACCESSIBILITY parameter to TRUE
F. creating a view based on V$SESSION and granting SELECT privilege to SMITH on the view that was created

企业的生命力要素是()

A. 行动力
B. 程序力
C. 竞争力
D. 创新力
E. 整合力

晶体二极管有哪几个电极?

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