● Information is no good to you if you can’t__(71)__it. The location dimension of information means having access ’to information no matter where you are．Ideally in other words， your location or the information’s location should not matter. You should be able to access information in， a hotel roots; at home; in the student center of your camp， at work， on the spur of the moment while walking` down the street; or even while traveling on an airplane.This location dimension is closely， related to __(72)__and wireless computing (and alsoubiquitous computing).
  To keep certain information private and secure while providing remote access for employees; many businesses are creating intranets. An intranet is an__(73)__organization internet that is guarded against. outside access by a special__(74)__feature called a Firewall (which can be software，hardware，or a combination of the two). So， if your organization has an intranet and you want to access information on it while away from the office， all you need is Web access and the password that will allow you__(75)__ the firewall.

（71）A．access

B．make

C．learn

D．bring

（72）A．data

B．program

C．mobile

D．information

（73）A．inside

B．external

C．inner

D．internal

（74）A．safe

B: safety

C．security

D．secure

（75）A．pass

B．through

C．across

D．cross