The universal symbol of the internet era communications, the @ sign us dịch

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Read the following passage & mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 1 to lớn 5.

The universal symbol of the Internet era communications, the
sign used in e-mail addresses lớn signify the word "at", is (1)_________ a 500-year-old invention of Italian merchants, a Rome academic has revealed.Giorgio Stabile, a science professor at La Sapienza University, claims khổng lồ have sầu stumbled on the earliest known example of the symbol"s use, as a(n) (2)_________ of a measure of weight or volume. He says the sign represents an amphora, a measure of capađô thị based on the terracotta jars used to lớn transport grain & liquid in the ancient Mediterranean world.The professor unearthed toe ancient symbol in the course of research for a visual history of the 20th century, to lớn be published by the Treccani Encyclopedia. The first (3)_________ instance of its use, he says, occurred in a letter written by a Florentine merchant on May 4, 1536. He says the sign made its way along trade routes to lớn northern Europe, where it came to lớn represent "at the price of, its contemporary accountancy meaning. Professor Stabile believes that Italian banks may possess even earlier documents (4)_________ the symbolizing forgotten in their archives. The oldest example could be of great value. It could be used (5)_________ publithành phố purposes và khổng lồ enhance the prestige of the institution that owned it, he says. The race is on between the mercantile .world and the banking world to see who has the oldest documentation of