四级作文正文第一篇：四级作文 四级预测作文（2021.5） （一） Directions: For this part, you are allowed 30 minutes to write a short essay based on the chart below, which shows the change in the percentage of readers who have got an experience of reading digital books between 2021 and 2021. You should summarize the chart first and then explain the reasons behind it. You should write at least 12021ords but no more than 180 words.As is shown in the graph, the proportion of readers that experienced digital reading ha
