4 Leon Bagrit's most important insight into the future development of computers was in terms of their ______ .
a．ability to relieve people of boring tasks
b．size, power and cost
c．use in traffic management
d．commonplace use in offices and hospitals
Structure 结构
5 It is notoriously difficult ______ the future. (1. 1)
a．when predicting
b．the prediction of
c．to predict
d．that we predict
6 Who could have imagined that ______ as many computers as TV sets? (11. 1-4)
a．there would be
b．there to be
c．their being
d．there were
7 People in those days liked to believe in computers ______ the world. (11. 18-19)
a．taking over and ruling
b．that took over and ruled
c．take over and rule
d．to take over and rule
8 ______ Bagrit's predictions so remarkable is their accuracy. (1. 28)
a．What makes
b．Why are
c．How many are
d．They make
Vocabulary 词汇
9 Bagrit ______ the idea that computers would rule the world. (11. 18-19)
a．refuted
b．refused
c．rejected
d．discharged
10 Bagrit foresaw that computers would become ______ small to hold in the hand. (11. 19-20)
a．adequately
b．sufficiently
c．capably
d．possibly
11 All these computer uses have become ______ . (11. 22-23)
a．relatively normal
b．more or less frequent
c．taken for granted
d．unexceptionable
12 The Internet enables us to ______ instantly with anyone in any part of the world. (11. 24-25)
a．get in touch
b．contact
c．send a message
d．convey an idea