View the Exhibit and examine the properties of the TT tablespace. Using Database Control， you have scheduled a job to shrink the TRANS table residing on the TT tablespace. The job would run at 5：00 p.m. every Friday. When you examine the space usage of the table after the completion of the job， you find that the table has not been shrunk. What could have been the reason for this？（） The tablespace that contains the TRANS table is online.。 The tablespace that contains the TRANS table is permanent.。 The tablespace that contains the TRANS table is locally managed.。 The segment space management of the tablespace that contains the TRANS table is manual in nature.。
取消辅修货车厂、段修时，锥芯截断塞门质量保证期限为（）。 6个月。 1年。 1个辅修期。 1个段修期。
平屋顶隔热的构造做法中没有（）。 蓄水隔热。 洒水隔热。 反射降温隔热。 植被隔热。
在下列几种现场中，没有固定生产生产场所的现场是（）。 单件小批现场。 流水生产现场。 成批生产现场。 项目现场。
危险度评价
投资者的退出机制包括：（）
