【正文】
gher than that of 1997. 3. The people owning mobile phones in 2020 were 5 times as many as those in 1997. (2).The number became larger and larger— 20% in 1999 and 50% in 2020. (1).There was a great rise in 2020— the rate reached up to 50%. 4. Three years later, 80 percent of the citizens had the magic tools. (1).By parison with 2020,it increased from 50% to 80%. (2).In 2oo4, nearly 80% people enjoyed the convenience offered by the mobile phones. Para12 The chart above shows the increasing number of mobile phones. According to the first column, only 10 percent of the population owned mobile phones in 1997. As time went on, in 1999 the number doubled , reaching 20 in 100. In 2020,the people owning mobile phones were 5 times as many as those in 1997. Three years later, 80 percent of the citizens had the magic tools. — There are some reasons for the rise in the number