_________的主要目的是有效地管理和存取大量的数据资源。
参考答案:数据库技术
— Can you please lend me another $300? I need it urgently?
—_______. You mean you already burned through the $500 I gave you yesterday.
A.No way
B.No trouble
C.Never mind
D.No possible
用水加热可以除去新鲜黄花菜中的秋水仙毒素。( )