Predicting the Future 预测未来

　　Predicting the future is notoriously difficult.Who could have imagined, in the mid 1970s, forexample, that by the end of the 20th century,computers would be as common in people'shomes as TV sets? In the 1970s, computerswere common enough, but only in big business,government departments, and largeorganizations.

　　1.Predicting the future is notoriously difficult.

　　众所周知，预测未来是非常困难的。

　　语言点:sth.is notoriously difficult的意思是“做某事是非常困难的。”

　　2.Who could have imagined, in the mid 1970s, for example, that by the end of the20th century, computers would be as common in people's homes as TV sets?

　　举个例子吧，在20世纪70年代中叶又有谁能想得到在20世纪末的时候，家庭用的计算机会像电视机一样普遍?

　　语言点:句子结构分析:thatz引导宾语从句，交代have imagined的内容。

　　3.In the 1970s, computers were common enough, but only in big business,government departments, and large organizations.

　　在70年代，计算机已经相当普及了，但只用在大公司，政府部门和大的组织之中。