阅读下面短文，掌握其大意，然后从21—30各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
Wouldn't it be great if we didn't have to remember passwords (密码) ever again？If we could just sit in front of our computers and be   21    logged in (登录? Crave mentions how NECSoft BiodeLogon system uses face recognition technology to log you on to Windows, rather than using a  22  All you need is a webcam and your pretty face to   23   your PC. No more 24   , confusing passwords to remember or change every few months.
After doing a little research, I found this type of  25   already available to consumers via a relatively   26   application called FaceCode. The  27 requires the use of a webcam to recog- nize and log PC users into their systems. You can add as many  28  as you want, provided they each have a Windows account. If the system   29   to recognize your  30  , you can recall the Windows user name and password by using a hot-key combination.

A．automatically B．personally C．correctly D．occasionally

A．face B．password C．software D．system

A．access B．connect C．recognize D．remember

A．simple B．complicated C．special D．useful

A．computer B．technology C．password D．application

A．independent B．infrequent C．inexpensive D．instant

A．account B．consumer C．designer D．software

A．users B．passwords C．systems D．computers

A．begins B．tries C．fails D．stops

A．account B．name C．password D．face