3 Make the rather informal words in bold sound more precise and academic. The different bits of the pie chart show the numbers of people in each age group.
She kept a record by marking the midday temperature on a graph for a month.
3 People's salaries usually reach their highest point when they are in their late 40s.
3 This flowchart shows the different bits of our project over the next five years.
The two lines on the graph cross each other at point A.
Draw a line connecting the points that are next to each other.
The government's popularity in the opinion polls is beginning to fall.
If you look along the top line of the table you can see the figures for the 1950s.
4 Change the sentences using words with the same meanings as the words in bold. Populations of some bird species in South Asia have crashed by 97% in recent years. The number of cases of death by poisoning has increased sharply.
In 2007 the child mortality rate was lower than 60 deaths per 1,000.
The average family car in the UK goes down in value by 20% per year. This means its value has fallen by more than half after just three years.
A typical piece of land on the edge of the city will go up in value by 15% per year, and house prices have gone up rapidly in the last six months.
Business courses have increased greatly in number while science programmes have gone down.
The temperature was higher than 45°C in some parts of the country during the heatwave.
Between 1983 and 2006, the number of this species of condor went up from 22 pairs to 273. Other bird populations have gone up by two times in the same period.
8 The numbers of old soldiers attending regimental reunions are becoming smaller each year.
