Which of the following statements is used to grant user TOM and Application team APPGRP the ability to add data to table TAB1?（） ["GRANT ADD DATA ON TABLE tab1 TO GROUP tom appgrp","GRANT INSERT TO USER tom, GROUP appgrp ON TABLE tab1","GRANT INSERT ON TABLE tab1 TO USER tom, GROUP appgrp","GRANT ADD DATA ON TABLE tab1 TO USER appgrp, GROUP tom"]
根据我国《消费者权益保护法》的规定，经营者对行政处罚决定不服，可以向上一级机关申请复议，其复议期间应该为（） ["自收到处罚决定之日起15日内","自收到处罚决定之日起30日内","自收到处罚决定之日起60日内","自收到处罚决定之日起90日内"]
对比磁盘，磁带有哪些优势：（） ["每GB成本略微低一些","能够保存相当数量的数据","拥有更轻便的介质","以上所有","以上均不对"]
生物反应器
下列不属于脂溶性维生素的是（）。 ["维生素E ","维生素C ","维生素A ","维生素D"]
什么是有机物污染？
