《安全生产法》规定：未在有较大危险因素的生产经营场所和有关设施、设备上设置明显的安全警示标志的处（）。 ["5万元以下罚款","3万元以下罚款","1万元以下罚款"]
Which three are valid？（） ["p0=p1；","p1=p2，","p2=p4；","p2=（ClassC）p1；","p1=（ClassB）p3；","p2=（ClassC）p4；"]
马斯洛需要层次论认为人类的基本需要包括（） ["生理需要","安全需要","爱和归属的需要","尊重的需要","自我实现的需要"]
以下各种方法中，对纳税人最有利的是（）。 ["扣除法","抵免法","免税法","低税法"]
You would like to create an RMAN recover catalog in which to store information about your DB01 database. You want to use the database named RCDB for the storage of your recovery catalog. The six steps you will follow to create a recover catalog are not displayed in the correct order. Which displays the correct order？（） 1. Grant the appropriate privileges （CONNECT and RESOURCE） and roles （RECOVERY_CATALOG_OWNER） to the user responsible for performing backup and recover operations. 2. Register the target database in the catalog. 3. Create the catalog using the RMAN command line interpreter. 4. Create a user and schema which will own the recovery catalog. 5. Create tablespace to hold the catalog in the database you have dedicated for your RMAN recovery catalog. 6. Connect to the target database using SYSDBA privileges. ["4，1，5，6，3，2","4，3，1，5，6，2","4，5，1，3，2，6","5，4，1，3，2，6","5，4，1，3，6，2"]
公交客流预测的意义与方法？
