恶意透支 正确。 错误。
Your multitenant container database, CDB1, is running in ARCHIVELOG mode and has two pluggable databases, HR_PDB and ACCOUNTS_PDB. An RMAN backup exists for the database. You issue the command to open ACCOUNTS_PDB and find that the USERDATA.DBF data file for the default permanent tablespace USERDATA belonging to ACCOUNTS_PDB is corrupted. What should you do before executing the commands to restore and recover the data file in ACCOUNTS_PDB?（） 正确。 错误。
作出人身安全保护令，应当具备下列哪些条件（）。 正确。 错误。
铜鼻子安装时，原则上要求铜鼻子与铜排接触边的夹角成（）°。绝缘胶带的颜色要与导线的颜色一致。 正确。 错误。
Which statement is true about the objects referenced by snoog， snooch， and booch immediately after line 23 executes？（） 正确。 错误。
芽孢可保持休眠数千年，遇合适环境可发芽形成一个细胞。
