八年级英语上册：Unit-4--Our-world-Topic-1-Section-C省公开课一等奖.pptx

Unit 4 Topic 1 Which do you like better,plants or animals?Section C 第1页earth n.地球；土，泥；大地地球；土，泥；大地rainforest n.(热带)雨林forest n.森林森林第2页Look at the pictures and check which questions the passage can answer.第3页1.What are rainforests?2.How many animals are living in rainforests?3.Where do animals live in rainforests?4.What can we get from rainforests?5.Why are rainforests important to us?第4页 Watch the flash of 1a,and find out the answers.What can rainforests give us?1a第5页wood n.木头，木材；木头，木材；woods 树木，森林树木，森林Rainforests give us rubber n.橡胶橡胶第6页Rainforests give us food第7页medicineRainforests give us 第8页 fruitsRainforests give us 第9页Listen to 1a and complete the table.Then check with your partner.Feature of rainforests1.in the _ parts of the world2._ ground and always _ and _ in them3.cover _ of the earths _ 4.give a home to many beautiful _ and _Importance of rainforests1.make the air _ and _ 2._ the water and keep the water_3.control the _ 4.keep the beauty of _ 5.give us _,_,fruit,_ and so onhotwetdarkhot6%surfaceplantsanimalsfreshercleanerholdcycling climate naturewoodfoodmedicine1b第10页1cRead again and answer the questions.1.What does the word“cover”mean in Paragraph 1?2.Why are rainforests the lungs of the earth?It means“覆盖覆盖”.Because the plants in the forests help to make the air fresher and cleaner.第11页1cRead again and answer the questions.3.Why should we protect rainforests well?4.Can you guess what the next part of the passage will talk about?Because they help to hold the water and keep the water cycling.They play an important part in controlling the climate.Yes.The next part may talk about what we should do to protect rainforests.第12页The last sentence in a paragraph may tell you what comes next.1cRead again and answer the questions.5.What should we do to protect rainforests?We should save paper and mustnt use the chopsticks for only once.第13页1.Rainforests Rainforests covercover 6%of the earths 6%of the earths surface surface.six percentsix percent数词数词%+可数名词复数可数名词复数可数名词单数可数名词单数/不可数名词不可数名词 Eg:50%of the students in our class are boys.70%of the earth is water.第14页成千上万成千上万成百上千成百上千成百万上千万，数以百万计成百万上千万，数以百万计hundreds ofmillions of2.Thousands and thousands of animals live in rainforests.第15页3.Many of them live in the trees over 30 meters from the ground.over =more than 多于，多于，超出超出 eg:Our class has _ 50 students.4.They play an important part in controlling the climate.play an important part(in sth.)在某事中起主要作用；在某事中起主要作用；参加（某事）参加（某事）Eg:他主动参加班级活动。他主动参加班级活动。He _ class activities.over/more thanplays an active part in第16页 5.But now rainforests are becoming smaller and smaller.“形容词比较级形容词比较级+and+形容词比较级形容词比较级”越来越越来越Eg.天气变得越来越暖和了。天气变得越来越暖和了。The weather gets warmer and warmer.中国变得越来越强大。中国变得越来越强大。China becomes stronger and stronger.越来越小越来越小第17页Discuss the pictures in groups about how to protect rainforests.Then write a short passage.第18页 show and tell people about 第19页 do anything we can，such as 第20页 ask people not to 第21页 ask people not to cut 第22页Lets plant 第23页You can write like this:Rainforests are very important to us.It is necessary for us to protect them very well.First,we should make people know about the importance of protecting them.Then ask people not to cut down the trees without plans.For us,we should do something as possible as we can.When we have meals,we mustnt use chopsticks for only once.In the life,use less paper and be sure not to waste it.第24页1.Learn to describe the situation of rainforests and the importance to the earth.2.Talk about how to protect rainforests.3.useful phrases:thousands of control the climate over =more than play an important part(in sth.)smaller and smaller 第25页Name Name WayWayMake a survey among your classmates about how to save Make a survey among your classmates about how to save water in their family.Then report it to the class tomorrow.water in their family.Then report it to the class tomorrow.第26页第27页