A.less emphasis on personal contac
B.advances in modern telecommunication
C.recent changes in people’s concept
D.more potential damage to the are
A.strongly in favour of
B.mildly in favour of
C.strongly against
D.mildly against


A.a government archives warehous
B.a NASA ground tracking statio
C.the Goddard Space Flight Centr
D.none of the above place