广州市2015
高考英语二轮阅读训练(4)及答案
短文语法填空《1》
computers
the goal of early calculating machines was to ___1 (simple) difficult sums. but with the help of new technology, electronic chips replaced tubes and a revolution of artificial intelligence has arisen. from then on, __2 appearance of computers totally changed our lives. they can not only download information from the wet when __3 (connect) by the network or mobile phone signals, but also solve different ___4 (ty