— I want to visit Beijing, the capital of China, but I don't know much about the city.

— Don't worry. Let's try to find some information about it _____ the Internet on the computer. [ ]

A: to search

B: at searching

C: by searching

D: for searching

下列四种说法，哪种正确（）？

A.金属的电极电位绝对值是可以测量的。

B.把金属按照其标准电极电位代数值的减小顺序排列起来的顺序表称为电化序。

C.活泼金属形成的双电层，金属一侧是多余正离子，溶液一侧是多余电子。

D.人为规定在特定条件下的标准氢电极电位为基准电极。