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1、Unit 5 A delicate worldUnit 5 A delicate world Period 1 Starting out Period 1 Starting out&Understanding ideas&Understanding ideasLearning objectives1.Analyse the reasons why the changes of Aral Seas satellite images happened;2.discuss the actions we can take to protect our earth;3.realise that we s
2、hould be in harmony with nature.Aral Sea 威海The water area is shrinking.The water area will be smaller.Discuss the reasons why the changes happened.Starting outWatch the video and answer the questions.1)Are humans part of Earths ecosystems?Why?What is ecosystems?Starting outWatch the video and answer
3、 the questions.1)Are humans part of Earths ecosystems?Why?Its vital for our human beings to take action to protect our Earth.Yes!Humans are part of Earths ecosystem.We should be in harmony with our environment.Q:What can we do to protect our environmrnt?plant more plants collect waste paper or other
4、 waste things for recycling prevent those factories from pouring waste water into rivers,lakes and fields.mustnt pick the flowers or step on the grass in public the government should let people fully realize the importance of environment protection through educationreduce the use of plastic bagsredu
5、ce the use of electrical appliances less open car to work or travel.（2022年全国卷）你校将以六月八日世界海洋日为主题，举办英语征文比赛，请你写一篇短文投稿。内容包括：1.海洋的重要性；2.保护海洋的倡议。注意：1.词数100左右；2.短文的题目和首句已为你写好。Gener:A Letter of proposal(倡议信）倡议书/信是为倡议或是发起某项活动而写的号召性的、公开提议性的专用文体。倡议书一般由标题、称呼、正文、结尾、落款五部分组成。Gener:A Letter of proposal(倡议信）l时态：一般使用一
6、般现在时和一般将来时。l人称：通常以第三人称为主，兼用第一、二人称结构首段：点明背景/目的中段：强调倡议某事的重要性+具体倡议内容/做法尾段：进行呼吁structure?结构首段：点明背景/目的1.Have you noticed that_现象2.When it comes to_某事物+现象3.现象 is aimed at raising awareness of 某物.4.Its aim is to do sth.中段：强调倡议某事的重要性+具体倡议内容/做法1.某事物 plays a key role in our world/daily life.Not only does 某物怎么
7、样,but also 某物怎么样某事物 has become a necessity/must.2.What can we do is to do sth/We are sopposed to do sth.we should do sth.We had better do sth.We spare no efforts to do sth.We adopt/take measures to do sthIt would be a good idea to do sth.It is important to do sth.Why not do sth.Doing sth is consider
8、ed as well.If everyone makes a contribution to再次倡再次倡议议),it will become(美好展望美好展望).Lets join hands and take action immediately.As long as we work together,we can make the impossible possble.It is high time that we started/should start from ourselves and.As an old saying gose,Together,individuals can m
9、ake a difference.尾段：进行呼吁 When it comes to ocean,its pollution is becoming more and more serious.World Ocean Day,falling on June 8th,is aimed at raising awareness of ocean conservation.Ocean plays a key role in our world.Not only does ocean offer us sufficient food,but also it maintains the balance o
10、f nature.Thus,it is imperative to protect ocean.First of all,what we can do is to place importance/vital on our daily actions.For example,garbage cant be thrown into ocean.Whats more,we can also hand out leaflets to call on more people to protect the ocean.The more people are involved,the better the ocean environment is.All in all,it is high time that we devoted ourselves to protecting ocean.To protect ocean is to protect ourselves.Example