下列哪项不是数据库营销的基础技术()。 ["IT技术","Internet技术","Database技术","ERP"]
The wholesale price of this coat is $20 and the()price for it is $28. ["virtual","massive","retail","singular"]
世界上唯一规定器官买卖合法的国家是()。 ["沙特阿拉伯","伊朗","荷兰","巴西"]
枕梁、大横梁腹板截换时要斜接,接口要错开主管孔边缘()以上。 ["80mm","100mm","150mm","175mm"]
灰分测定时,所取试样量的多少依试样灰分含量的大小而定,以所取试样能足以生成()的灰分为限,但最多不要超过()。 ["20mg、100mg","20mg、100g","50mg、100mg","50mg、100g"]
被古人称为“海天佛国”、“人间第一清静境”的地方是指我国的哪个风景区?