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资料：The personal computer was a revolution in information technology that spawned a $50 billion hardware business, with another $30 billion in software and peripherals （eg. mouse, keyboard, printer, etc.） by 1991. During its short 15 years, the industry evolved through three successive periods. During its first 5 to 6 years, it was characterized by explosive growth and multiple, small competitors vying for a piece of the market. From 1981 to 1985, the industry became a battle for standards and retail shelf space. The third era was one of increasing fragmentation. From 1986 through 1991-1992, new manufacturers from around the world grabbed from the industry leaders as new channels of distribution emerged and product innovation as well as revenue growth slowed.

During the early years of the industry, venture capital in the U.S. encouraged the entry of new firms that offered products in every conceivable shape and size. By 1980, new entrants flooded the market, prompting distinct standards and unique technical features. Almost every firm had a different configuration of hardware and software. The first PC had relatively little speed or memory. However, even these early computers allowed managers to perform tasks that were very time consuming.

What was impossible during the early years of the industry?

A.Sharing applications between machines
B.Programming on the computer
C.Writing contracts on the computer
D.Buying keyboards and printers

正确答案及解析

正确答案

解析

本题考查的是细节理解。

【关键词】impossible；the early years of the industry

【主题句】 Almost every firm had a different configuration of hardware and software. 几乎每家公司都有不同的硬件和软件配置。However, even these early computers allowed managers to perform tasks that were very time consuming. 然而，即使那些早期电脑也允许管理人员执行非常耗时的任务。

【解析】题目意为“在早期工业阶段时期什么是不可能的？”选项A意为“机器之间共享应用程序”，选项B意为“电脑上编程”，选项C意为“在电脑上写合同”，选项D意为“购买键盘和打印机”，根据主题句，