A customer has been quoted a DS8800. Which part of the TDA process would ensure that there isenough power in the customer location to operate the system?（） [" Pre-sale "," Post-sale "," Pre-install "," Post-install"]
偏航制动器的作用是什么？
当日单笔或累计交易人民币现金（）元以上应当提交大额交易报告。 ["20万","3万","5万","1万"]
临近期末考试，大二的张同学为学习问题感到很苦恼。原来是该同学上大学后自觉高考分数在班上靠前，学习有所松懈，但经过几次考试后发现自己在班上的成绩排名越来越差，于是开始在学习上花很多精力，但起色不大，感觉学习很吃力，有些焦虑和灰心。试根据归因理论并结合大学的学习特点及学习方法对张同学展开帮助。大学阶段学习的特点是什么（） ["学习的自主性","学习的广泛性和多样性","学习的专业性","学习的探索性"]
Examine the commands executed in a DBA session：SQL> CREATE BIGFILE TABLESPACE MRKT 2 DATAFILE ’/u01/app/oracle/oradata/orcl/mrkt.dbf’ size 10M LOGGING 3 EXTENT MANAGEMENT LOCALSEGMENT SPACE MANAGEMENT AUTO； Tablespace created. SQL> ALTER DATABASE DEFAULT TABLESPACE MRKT； Database altered. Which two statements are trueregarding the MRKT tablespace（） ["No more data files can be added to the tablespace.","Segment space is managed by free lists in the tablespace.","A user created without being assigned a default tablespace uses this tablespace.","The tablespace can be dropped with the current setting with segments present in it"]
土壤、地形条件在草地形成中的主要作用是如何体现的。
