折线图Task 1Disease·Healthcare·HealthThe graph shows the impact of vaccinations on the incidence of whooping cough, a childhood illness, between 1940 and 1990 in Britain.限时练习趁题目在眼前，限时写一篇按考试时间写完，就知道自己在四项评分标准上各差在哪。题目和图表已放好按考试计时 20 分钟约 20 秒出反馈 · 免费开始写这道题参考1篇作文（7.5分）→
折线图Task 1Health·Disease·HealthcareIn 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.限时练习趁题目在眼前，限时写一篇按考试时间写完，就知道自己在四项评分标准上各差在哪。题目和图表已放好按考试计时 20 分钟约 20 秒出反馈 · 免费开始写这道题
折线图Task 1Disease·HealthThe line graph below shows the cases of diseases caused by X virus in Australia from 1960 to 1995.限时练习趁题目在眼前，限时写一篇按考试时间写完，就知道自己在四项评分标准上各差在哪。题目和图表已放好按考试计时 20 分钟约 20 秒出反馈 · 免费开始写这道题参考2篇作文（6.5–7分）→