WE COULD NOT LIVE WITHOUT IT …
American researchers presented a list of five inventions for the interviewees to indicate was more important.
In fifth place was the microwave; in fourth, the cellular telephone; in third, the personal computer and in second, the automobile. And to a lot of
people’s surprise, the toothbrush, one of the simplest invention in history, finished in first place.
In Brazil, the Globo network developed the same research and the toothbrush again finished in first place.
Choose the best alternative to complete the blank in the text.