(
课件网) Unit 5 Water is life 主题范畴： 人与自然 主题群： 环境保护 子主题： 环境污染及原因，环保意识和行为 Key question What does water mean to us understand the usefulness and importance of water. identify some facts about water in daily life. explore how to save water and use it wisely. describe the relationship between water and the development of our society. Unit objectives 单元目标 I can: New words population n. 人口 agriculture n. 农业 trade n. 贸易；买卖 industry n. 工业；生产制造 role n. 角色 goods n. 商品；货品 overseas adv. 在国外；向海外 global adj. 全球的；全世界的 income n. 收人；收益；所得 nearly adv. 几乎；差不多；将近 business n. 买卖；生意 *leisure n. 闲暇；空闲；休闲 throughout prep.自始至终；贯穿整个时期 duty n.责任；义务 play a role in ... 在……起作用 steam engine 蒸汽机 as a result 作为结果；因此 make sure 确保；设法保证 Lead in What do these cities have in common NEW YORK LONDON SHANGHAI They are all by the river or by the sea. Focusing on culture Water is not only essential for life, but is also important for human society. Let’s explore the role water plays in the development of cities. Read the article and find out why water is important for cities. Reading Read line 1-5 and answer the quesion. If you look at a population map of any country in the world, you will see that most people live close to water. The world’s biggest cities are next to rivers, lakes or the sea. This isn’t an accident. We use water for all kinds of things in everyday life, and we also need it for agriculture and for trade. Why are the world’s biggest cities often next to rivers, lakes or the sea Because we use water for all kinds of things in everyday life, and we also need it for agriculture and for trade. Task 1 Read line 6-14 and answer the quesion. In fact, water creates jobs and helps different industries to develop. At the end of the 18th century, water played a big role in the Industrial Revolution. Water powered the first machines in the clothes industry, such as Richard Arkwright’s spinning machines. It also provided the first steam engines with steam. Thanks to rivers and oceans, businessmen could ship their goods overseas.The growing global trade created more jobs and provided more income for people. As a result, the cities that were close to water grew much larger. What role did water play in the Industrial Revolution Water powered the first machines in the clothes industry, and it also provided the first steam engines with steam. Background 水在工业革命中起到的作用 (1) Powering the first machines in the clothes industry 理查德 阿克莱特 纺纱机 (2) Provide steam for the steam engine (3) Promote trade development Read line 15-20 and answer the quesion. By 2008, over half of the world’s population lived in cities. Nearly all of these cities are on the coast or by rivers or lakes. This is because cities need water for people’s homes, industry, business, tourism and leisure act ... ...
