closer．who without happen farmer greatly comfort as make our

The development of technologies has（71）　　changed the life styles of the people all over the world．Radio，TV，computer，fax and satellites bring different countries and people

（72）　　to each other．We can see nearly everything（73）　　thousands o miles away and communicate with people in different lands （74）　　leaving home．We don't have to shopping every day．Once a week we buy（75）　 　household materials including meat，vegetables，etc，and store them in refrigerators．With the help of tiny scissors doctors can examine the child（76）　　is still in the womb（子宫） of his mother．（77）　　use newer technology both for agricultural activities as well as for their（78）　　．The need of oil technology，such（79）　　long pipelines （管线），electric power，good roads，airports，bring people from different lands to the Gulf（海湾） countries to（80）　　a living．

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