As is shown in the graph, it can be easily concluded that the past twenty years have seen some ups and downs in China’s growth rate whereas there has been a steady increase in the amount of GDP.
As is shown in the graph, the US population has been increasing dramatically since 1800. It had a much sharper increase from 1940 to 1990, reaching the peak at 250 million.
From the pie chart, we can find that among 5.5 billion people in the world, the smokers almost account for 20 percent of the total population.
From the above bar chart, we can learn that the life expectancy in the developing countries rose greatly from 1960 to 1990 with the infant mortality declining sharply.
The key findings taken from the survey are as follows: different people do not use the library in the same way. Their age, education background, and even their sex may affect their choice of library materials they need.
The several points compared in this table calls for our attention.