最新牛津译林版八年级英语下册课件：Unit8-Welcome.ppt

1、8B Unit8 A green WorldWelcome to the unitDid you know that all around the world,3 to 6 billion trees are cut down each year?Have you ever planted a tree?What do you think of the pictures?dig vt.&vi.挖挖(洞，沟等洞，沟等)serious adj.认真的，严肃的认真的，严肃的breadfruit n.面包果面包果What are Hobo and Eddie talking about?Lets ha

2、ve a look.Read and answer 1.What is Hobo going to do?2.Will more trees be planted this year?3.What does Eddie like doing?4.What will Eddie plant?He is going to plant trees.Yes.Trees are good for us.He likes digging in the garden.He will plant breadfruit trees.Act out the comic strip PresentationThe

3、ways to live a green lifereduce air pollution by riding bicyclesvt.&vi.减少，降低减少，降低Its wise for people to choose public transport.adj.明智的，充满智慧的明智的，充满智慧的 Presentationprotect the environment by recycling waste.The ways to live a green lifevt.回收利用回收利用 Presentationsave energy by turning off the lights whe

4、n we leave a room.The ways to live a green life节约能源节约能源关上（开关）关上（开关）PresentationThey always take shorter showers to save water.The ways to live a green life缩短缩短洗澡洗澡/淋浴淋浴时间时间The class 1,Grade 8 students are talking about ways to live a green life.Look at the pictures below and match them with the corr

5、ect sentences.a.We can reduce air pollution by riding bicycles.b.We can save water by taking shorter showers.c.We can save energy by turning off the lights when we leave a room.d.We can protect the environment by recycling waste.We can ride bicycles _.We can take shorter showers _.We can turn off th

6、e lights _.We can recycle waste _.to reduce air pollution to save water to save energy to protect the environmentHave a discussion Read and find:Name How to live a green lifeKitty:Millie:Daniel:Sandy:Take the underground to school.Choose public transport or ride bikes.Remember to turn off the lights

7、 when we leave a room.Take shorter showers to save water.A:What should we do to live a green life?B:I think we should/shouldnt.C:I agree.I think.D:Yes.I think.Useful expressions:1.Turn off computers when we arent using them.2.Use cold water instead of hot water to wash hands.3.Use both sides of a pi

8、ece paper.4.Take our own bags to the supermarket.5.Put the rubbish into different rubbish bins.6.Take showers for less than 10 minutes.Make a conversation to talk about the ways to live a green life.1.Will more trees be planted this year?今年更多的树将会被种植吗？今年更多的树将会被种植吗？句中句中will be planted 意思是意思是“将会被种将会被种植

9、植”，是一般将来时的被动语态。，是一般将来时的被动语态。e.g.The panda will be sent to the zoo tomorrow.这只大熊猫明天将被送到动物园。这只大熊猫明天将被送到动物园。将下列句子改为被动语态。将下列句子改为被动语态。1)His father will mend his bike._2)John will finish the homework soon._3)Mike is going to watch the new movie tomorrow._ _His bike will be mended by his father.The homewor

10、k will be finished by John soon.The new movie is going to be watched by Mike tomorrow2.We can protect the environment by recycling things.我们可以通过回收利用东西来保护环境。我们可以通过回收利用东西来保护环境。我们可以通过关灯来节约能源。我们可以通过关灯来节约能源。We can save energy by turning off the lights.by 后接人，用于被动语态后接人，用于被动语态The operations are done by vol

11、unteer doctors.by doing,表示通过做某事表示通过做某事3.My dad used to drive me to school.我爸爸过去常常开车送我去学校。我爸爸过去常常开车送我去学校。句中句中usedto do sth.意思是意思是“过去常常做某过去常常做某 事，其后接动词原形。事，其后接动词原形。e.g.他们过去常常用在衣服上他们过去常常用在衣服上。They used to spend money on clothes.4.Its wise for people to choose public transport or ride bicycles.对人们来说选择公共

12、交通或骑自行车是明对人们来说选择公共交通或骑自行车是明智的。智的。It is+adj.+for sb.+to do sth.意思是意思是“对对某人来说做什么事情怎么样某人来说做什么事情怎么样”。常用于此句型的形容词有常用于此句型的形容词有 important,difficult,dangerous,necessary,useful,possible等等.此句型可以转换成此句型可以转换成To do sth.is+adj.。e.g.It is very important for students to learn English well.It is+adj.+of+sb.+to do sth.

13、，常用，常用于此句型的形容词有于此句型的形容词有good,kind,nice,clever,wise,wrong bad 等，等，用来对人的用来对人的性格、品质等进行说明性格、品质等进行说明.e.g.你这样说真是太好了。你这样说真是太好了。Its very kind of you to say so.对学生们来说学好英语是很重要的。对学生们来说学好英语是很重要的。1.对对有好处有好处2.减少空气污染减少空气污染3.缩短淋浴时间缩短淋浴时间4.节约能源节约能源5.导致严重的污染导致严重的污染6.开开/关关 灯灯be good forreduce air pollutiontake shorter

14、 showerssave energycause serious pollutionturn on/off the lights词组翻译：词组翻译：根据汉语提示写单词。根据汉语提示写单词。1.Is he _(严肃的严肃的)?2.We can _(减少减少)air pollution by riding bicycles.3.He is _(挖洞挖洞)in the garden.4.We can _(回收利用回收利用)old things.5.It is _(明智的明智的)of you to take a map.seriousreducediggingrecyclewise知识运用知识运用-用

15、所用所给给的正确形式的正确形式填填空或空或选词填选词填空空1.A new park _(build)in our hometown next year.2.He often studies English by _(listen)to the radio.3.What should we do_(protect)the animals.4.-I think drinking milk every morning is good _ our health.-Yes.I agree _ you.(for/to/with)5.Please turn _(on/off/up/down)the water when you brush your teeth.will be builtlisteningto protectforwithoff个人写出两条环保的建议，然后进行小组个人写出两条环保的建议，然后进行小组内汇总，制作环保宣传单。内汇总，制作环保宣传单。