American life in the 1980s was changed much by the widespread use of________

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【线索词】American life in the l980s 【定位处】最后两段
【解析】computers/the computer。本题涉及20世纪80年代导致美国人生活发生巨变的原因，从而将题目出处定位到文章最后两段。倒数第二段首句提到A big change in American fife during the l980s came as a result of the computer,末段则举例说明了计算机被广泛应用(widespread use)这一事实。将二者综合起来，便不难得知答案：computers或the computer.
【设题处】列举处设题

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2 A worker with a physically　2　job may also need ten

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3 whereas an　3　.. worker under great pressure may manage on six to eight.

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