地网接地体之间的连接，应采用电焊或气焊连接，不宜采用螺钉连接或铆接；无法使用电焊或氧焊的，建议使用（）焊接。 ["电焊","气焊","氧焊","热熔"]
You wish to enable an audit policy for all database users, except SYS, SYSTEM, and SCOTT.You issue the following statements: SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYS;SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SYSTEM; SQL> AUDIT POLICY ORA_DATABASE_PARAMETER EXCEPT SCOTT; For which database users is the audit policy now active?（） [" All users except SYS"," All users except SCOTT"," All users except sys and SCOTT"," All users except sys, system, and SCOTT"]
溶解乙炔气瓶：瓶内（），用于充装乙炔的气瓶。 ["装有多孔填料及溶剂","什么也没有","实心"]
You established access to menu modules using roles. You have allowed the sales role to access the menu module, but prevented access to the Update menu item. Which item property would you alter to gray out the menu option for the role?（） ["Item Roles. ","Menu Item Roles. ","Display without Privilege. ","Use Security. ","Command Type."]
在水利工程概预算的费用构成中，下列（）费用属于其他直接费。 ["人工费","现场管理费","工程定位复测费","工程点交费"]
玻璃形成的动力学条件
