(
课件网) Unit 1 Water 沪教版（五四）2024 英语 八年级 第一学期 A Viewing and listening & B Speaking Objectives 教学目标： 通过本节课的学习，学生 1. 能够掌握与水资源有关的一些词组和客观的事实信息，能够恰当的用英语表述数字和数值；能够通过数值的含义理解和表达水资源的稀有和紧缺。（学习理解） 2. 能够在听力语篇和视频素材中准确获取信息，在日常交流中讨论不同关于水资源或节约用水的主题；能够运用目标词汇与句型进行口头语言输出。（应用实践） 3. 能够表达自己对于节约用水和其他水资源相关话题的演讲展示的想法和建议，掌握表达同意和不同意的句型，整理成汇报语篇进行表达。（迁移创新） Why is water important to us Source of life Essential cooking and cleaning Key to temperature regulation Fundamentals of Agricultural Irrigation Core of Sustainable Development Because it is the _____ . A. Facts about Water Water facts 1. How many days can people live without water A. About 3 days. B. About 3 weeks. C. About 7 days. D. About 10 days. Water is crucial for human survival. Water is the main component of human cells, involved in physiological processes such as metabolism, temperature regulation, and waste elimination. Water facts 2. What percentage of an adult’s body is water A. About 45%-50%. B. About 50-60% . C. About 50%-55%. D. About 65%-70%. The percentage of water in one’s body is heavily influenced by age, sex, and body composition. % -- per cent Water facts 3. How long does it take underground water to move a kilometre A. About 1 year. B. About 30 years . C. About 101years. D. About 1100 years. Underground water movement times vary significantly depending on geological conditions, but moving a kilometer typically takes extremely long periods , often ranging from years to centuries or even millennia . Watch and think: where can we find fresh water on the earth How much water do we need to take in every day About 2.7 to 3.7 litres. factory 19% home 12% farm 69% A drip a sceond, 86,400 drips (4.32litres) a day a dripping tap not enough safe drinking water There is no enough safe drinking water for everyone. enough + n. -- enough space/ enough time adj. + enough -- tall enough/ wonderful enough A1: What does the infrographic above say about water e.g. Farm land uses much more water than factories and human drinking. e.g. A dripping tap may waste a large amount of water for a person to drink for more than one day. e.g. We can not use all the fresh water on the Earth because some of it is locked in icebergs. A2: Watch and circle 2,000,000,000 2,000,000 1. More than _____ of the Earth surface is covered with water. 2. About _____ of the water on the Earth is salty. The rest is fresh water. 3. We can reach only _____ of the world’s fresh water and the other _____ is locked up in ice or deep underground. A2: Watch and take notes with figures two-thirds (2/3) or 70% 97% 3% 1/3 figures means numbers or data A2: Watch and take notes with figures 4. Most of the fresh water we can reach is polluted, leaving only about _____ ... ...
