Although the bulk of industry resources and energies have focused on developing the fastest (71) or slickest (72) , more and more mindshare is turning to the evolution of the computer interface. Advancements in the areas of input devices, (73) processing and vitual reality could lead to fundamental changes in the way human and computer interact. The technological battlefield of the future will be adding layers between the user and the raw machine to make the (74) as invisible as possible. (75) crepresents the next evolutionary step for the interface.

A．inconsistent

B．independent

C．interface

D．incompatible

单位、个人和银行办理支付结算必须遵守下列原则（）

A、恪守信用，履约付款

B、谁的钱进谁的帐，由谁支配

C、存款有息

D、银行不垫款