The miracle silicon chip represents a development in the technology of mankind that over the past few years has acquired the force and significance associated with the development of hand tools or the discovery of the steam engine.Just as the Industrial Revolution took over an immense range of tasks from men’ s muscles and enormously expanded productivity, so the microcomputer is rapidly assuming huge burdens of tedious work from the human brain and thereby expanding the mind’s capacities in ways that man has only begun to grasp.With the chip, remarkable achievements of memory and execution become possible in everything from farms to banks to corporate offices.

With the development of science， more new technology ______ to the fields of IT．

[单选题]Over the past decades, sea icein the Arctic as a result of global warming.A． . haddecreased Bdecreased C has been decreasingD is decreasing

[单选题]Over the past 20 years, the Internet helped change our world in _____way or another for the better. A. any B. one C. every D. either

[单选题]Over the past 20 years, the Internet has helped change our world in way or another for the better.A． anyB. one C. everyD. either

Over the past decade, the number of Monarch butterflies _____________ significan

[单选题]Text 2Over the past century, all kinds of unfairness and discrimination have been condemned or made illegal. But one insidious form. continues to thrive: alphabetism. This, for those as yet unaware of such a disadvantage, refers to discrimination aga

17 Over the past few years, the company _ several new products.A. is developingB

Build a community of shared future for mankind and achieve shared and win-win de

[单选题]Over the past few years, the companies in an industry have experienced posi

[单选题]Over the past century, all kinds of unfairness and discrimination have been