沪教牛津版（2024）七年级下册（2024）Section 4教学演示ppt课件

这是一份沪教牛津版（2024）七年级下册（2024）Section 4教学演示ppt课件，共16页。PPT课件主要包含了目录页标题，NEW YORK，LONDON等内容，欢迎下载使用。
Learning bjectives
通过本课时学习，学生能够：1. 认识水资源与城市发展的关系，掌握相关的语言知识。2. 能够利用所学知识谈论居住在临水城市的优点与缺点。3. 在探索水在城市发展中的作用的过程中，进一步增强保护水资源的意识。4. 通过观看视频了解海洋如何影响我们的生活，以及海洋对于地球的重要性并能够谈论如何保护海洋。
What d these cities have in cmmn?
They are all big cities by the river r by the sea.
What is the relatinship between water and the develpment f cities?
Let’s explre the rle water plays in the develpment f cities.
Scan the passage and match each paragraph with its main idea.
Cities need water fr peple’s hmes, industry, business, turism and leisure activities.
Water helps create jbs and develp industries.
Mst peple live clse t water.
Why are the wrld’s biggest cities ften next t rivers, lakes r the sea?
Because we use water fr all kinds f things in everyday life, and we als need it fr agriculture and fr trade.
What rle did water play in the Industrial Revlutin?
1.Water pwered the first machines in the clthes industry, and it als prvided the first steam engines with steam.2. It develped the glbal trade.
Why d nearly all big cities lcate n the cast r by rivers r lakes nw?
Because cities need water fr peple’s hmes, industry, business, turism and leisure activities.
Cmplete the sentences with the wrds and phrases belw. Change the frm if necessary.
As a result
What are the advantages f living in the cities near rivers, lakes r the sea?
1. Rivers and seas prvide fish and ther seafd, which are healthy and tasty.
2. Bats and ships can carry gds and peple, making travel and trade easier.
3. Swimming, fishing, and bating are fun ways t relax and enjy nature.
What are the disadvantages f living in the cities near rivers, lakes r the sea?
Water attracts msquites and ther bugs. Living near rivers r lakes means mre bites r diseases like malaria.
Areas near the sea face hurricanes, tsunamis, r big waves. These can destry buildings and put peple in danger.
Water areas are ften humid. This can make huses damp, cause mld, r make metal bjects rust faster.
1. Why is the Earth called “the blue planet”?2. What imprtant rle des the cean play in ur lives?3. Hw is the Earth different frm ther planets?
The Earth lks blue because mst f the Earth’s surface is cvered by water.
The cean prvides us with fd, and makes it pssible t transprt gds all arund the wrld.
The Earth is the nly planet knwn t have bdies f water n it.
Nwadays, the cean is facing many prblems. What shuld we d t prtect the cean?
1. Use less water at hme.2. Clean beaches r rivers with friends.3. Tell thers the imprtance f rivers and ceans.4. Avid buying prducts made frm endangered sea animals.
What shuld the gvernment and rganizatins d t prtect the cean?
1. Enfrce strict laws and regulatins（法律法规） t stp pllutin. 2. Set up “safe znes” in the cean where fishing are nt allwed. 3. Cuntries and rganizatins shuld share ideas and mney t slve big prblems like water pllutin and verfishing.
1. Find mre infrmatin abut the cean and share yur findings in the next class.2. Make a pster in grups t call n peple t prtect the cean.