专题四 阅读七选五（PPT）-【全效作业本】2022-2023学年高中选择性必修第三册英语同步课件及教参（人教版2019）

专题四　阅读七选五 《全效作业本》 英语 选择性必修 第三册 [RJ] A The World Water Day has been celebrated annually on 22 March since 1993.Each year has a different theme，looking at things like the role of clean water in the world of work，ways to stop wasting water，finding ways to supply water to underprivileged groups and so on. 《全效作业本》 英语 选择性必修 第三册 [RJ] __1__ But it is also vital for sanitation(卫生)．It is estimated that more than 700 children under the age of seven die every day from illnesses linked to unsafe water and poor sanitation.The right to water and sanitation was recognised as a human right.__2__ These include rural communities，people who have been displaced due to war and local conflicts and areas where climate change is making water scarcer and scarcer. 《全效作业本》 英语 选择性必修 第三册 [RJ] Apart from the obvious health issues，a lack of accessible clean water means that people—often women and children—spend hours every day walking to and from distant water supplies.This means they don't have time to dedicate to work，studies and other domestic duties.__3__ And people who are not able to walk to get their own water are particularly vulnerable. 《全效作业本》 英语 选择性必修 第三册 [RJ] There are many charities working on creating sustainable supplies of clean water for different communities around the world.__4__ But the fundamental problem of increasing demand for a limited resource can only be addressed by more efficient use of water，especially in industry and agriculture.Waste­water recycling，capturing rainwater，more efficient irrigation techniques and reforestation are all examples of how water can be used more efficiently. 《全效作业本》 英语 选择性必修 第三册 [RJ] __5__ We should support charities，raise awareness，take part in the World Water Day events that are happening all around the world and，of course，be careful with how we use water in our own lives.Visit the UN World Water Day website to find out about an event near us.Follow world water day on social me