The line graph below shows the cases of diseases caused by X virus in Australia from 1960 to 1995.
雅思学术类写作 Task 1 题目：Disease 主题
In April 2006, an experimental flu vaccine was trialled on females in a large town. The graphs outline the effect of this vaccination in this town. Number of Deaths in 2005 - 2006 Percentages of complaints recorded after the vaccination Flue Rates for Males and Females
Eating sweet foods produces acid in the mouth, which can cause tooth decay. (High acid levels are measured by low pH values) Describe the information below and discuss the implications for dental health.
