当电梯的相邻两层门地坎间距大于()m时,其间必须设置井道安全门。
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本级副职晋升正职的,一般应当小于正职平时任职的最高年龄2岁以上。
A. 正确
B. 错误
You work with a newly created database. Presently, there is no application load on the database instance. You want to create a baseline for tuning the application, so you decide to collect recommendations that can be implemented to improve application performance. What action must you take to achieve this?()
A. Run Segment Advisor
B. Run the SQL Tuning Advisor (STA)
C. Run the Automatic Workload Repository (AWR) report
D. Run the SQL Access Advisor with a hypothetical workload
在进口付汇项下,银行对已经申报和传送成功的付汇和商品到货电子信息进行数据修改或删除的,应在两个工作日内通知外汇局,并将盖有本行业务公章的申报数据修改书面说明逐笔报送外汇局。
A. 正确
B. 错误
起升机构的制动器必须是()式的。
A. 常开
B. 常闭