Which three characteristics are indicators that a potential SMB customer is in the SBR-defined growth phase? ()
A. focusing on becoming more efficient
B. wanting greater connectivity for customers
C. requesting convergence of voice and data
D. providing a customer with a basic up-to-date website
E. needing rapid secure access to customer history, data, or buying behavior
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当岩石表面为亲水时,水在毛管力作用下进入岩心,驱出了岩心中的油,这一过程为()
A. 驱替过程
B. 吸吮过程
C. 吸附过程
原子吸收分光光度法适用于固体废物浸出液中铜、铅、锌、镉及总铬等项目的测定。
A. 正确
B. 错误
韩愈的《师说》中写道:“孔师郯子、苌弘、师襄、老聃。”请问孔子向师襄学习了什么?
杜甫曾经长期住在少陵附近,所以自号为“少陵野老”。请问“少陵”是指我国哪个城市?