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92
Of course, workers can be fully mobile, and we could see some people
abandon offices completely, roaming the world and staying in touch via satellite
systems. Even in trains and planes there may be infrared distribution to each seat
to guarantee high bandwidth communication. (4) ______ This will give them a
voice link to computers across the network, perhaps on their office desk. Using
this voice link, they can access their files and email and carry out most computer-
based work. (5) ______ Perhaps by 2010, these glasses could be replaced by an
active contact lens that writes pictures directly onto the retina using tiny lasers.
5 The sentences in the last paragraph of this text are mixed. Rearrange
them in order to get a correct text.
A In much the same time frame, geneticists may have created the first
biologically optimised humans, Homo Optimus.
B Ordinary biological humans would eventually accept the transition and
plain old Homo Sapiens could become voluntarily extinct, perhaps as
early as 2200.
C Finally and frivolously to the very long term.
D By around 2030, we may have the technology to directly link our brain
to the ultra-smart computers that will be around then, giving us so much
extra brainpower that we deserve a new name, Homo Cyberneticus.
E Over time, this new form may converge with the machine world, as
more and more of his thoughts occur in cyberspace.
F It would make sense to combine this expertise with information
technology wizardry to make something like the Borg, Homo Hybridus,
with the body of an Olympic athlete and a brain literally the size of the
planet, the whole global superhighway and every machine connected to
it.
G With a complete backup on the network, Homo Hybridus would be
completely immortal.
6 Use these sentences in the correct place in the text.
A Their earphones will allow voice synthesisers to read out their mail, and
glasses with a projection system built into the arms and reflectors on the lenses
will allow a head-up display of visual information.
B All this will be without any communication cables since the whole system
uses high capacity infrared links.
C One tool they may have in a few years is effectively a communicator badge.
D The shops may be paid by the manufacturer instead.
E E-cash can be completely global and could be used as a de facto standard.
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