单项选择题

Productivity is the yardstick by which socioeconomic revolutions are measured. Plows initiated the agrarian revolution by greatly improving the productivity of farmers. Engines, and (1) electricity, (2) the industrial revolutions by (3) improving the productivity of workers in manufacturing and transportation. If there is to be a true in formation revolution, then computers will have to (4) the pattern with information and information work.
Information technology has (5) begun to improve productivity, and it has even hurt it in some cases; it takes longer to wade (6) those endless automated phone answering menus (7) it does to talk to a human operator. (8) , productivity will rise (9) computers and communications are used in the Informa-tion Marketplace to relieve people of brain work (10) industrial machinery relieved us of physical work.
The Information Marketplace will give (11) to two great new forces that will drive (12) in the twenty-first century. (13) , most people and companies buy new computers because the hardware has faster processors or more storage capacity, or because it is fashionable to own a new model, (14) because competitors have bought them and "we can’t afford to fall behind." Imagine the (15) of a company buying a new device be cause the motor turns at a higher (16) , or because it’s in vogue to do so, or because the competition just bought that model (17) of whether the machine can move any more earth in an hour!
Let’s explore how the Information marketplace might help us in the (18) quest to get more results for less (19) . To do this, we will first examine a series of "faults"-- ways in which computer technology is (20) today, because of either technological or human weaknesses. Correcting these faults will be the first step toward increasing our productivity. Making the Information Marketplace easier to use will be the second step.

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