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选修9《Using LanguageⅡ》PPT课件优质课下载
25% housing
18%food &drink
22%food &drink
32% housing
other
other
(a)
Percentage of Average Family Expenses in 2008
(b)
Percentage of Average Family Expenses in 2009
饼状图
Pie Chart
曲线图
Line Graph
记忆规律曲线图
表格
Table
2007
2008
2009
2010
Food, drink and clothing
40%
35%
30%