Unit 4 Topic 1 Section C 课件 2022-2023学年仁爱版英语八年级上册.pptx（纯ppt,可能不含音视频素材）

1、Topic 1 Topic 1 Whats the strongest Whats the strongest animal on the farm?animal on the farm?rainforest learning aims:能正确拼读并运用黑体单词：thick,ground,wet,cover,forest,rainforest,earth,surface,control,die,wood,protect能正确地口头介绍森林带给我们的好处，并建议大家保护环境。通过对热带雨林的学习，加深学生对森林的认识，教育学生从小事做起，从自己做起，保护环境。earth n.地球地球Rainfo

2、rests cover 6%of the earths surface.覆盖覆盖表面表面 It rains a lot and the ground is always wet.They play an important part in controlling the climate.Rainforests are thick forests.茂密的茂密的地面地面潮湿的潮湿的控制控制气候气候Without rainforests,many beautiful plants and animals would die out.So we should protect them.灭绝灭绝保护保护

3、Let us have a check.地球地球覆盖覆盖表面表面热带雨林热带雨林灭绝灭绝茂密的茂密的地面地面潮湿的潮湿的控制控制气候气候保护保护earthcoversurfaceforestrainforestdie outthickgroundwetcontrolclimateprotectLook at the pictures and check which Look at the pictures and check which questions the passage can answer.questions the passage can answer.1.What are ra

4、inforests?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?Watch the flash of 1a,and find out the answers.What can rainforests give us?What can rainforests give us?视频视频1a-P851aRainforests give

5、 us foodfoodmedicinemedicinefruitfruitand many more useful things.Read 1a together.Rainforests are thick forests in the hot parts ofthe world.It rains a lot and the ground is always wet.Its always dark and hot in rainforests.Rainforests cover 6%of the earths surface.They provide places to live for t

6、housands of plants and animals found nowhere else on Earth.There are lots oftall trees and other different kinds of plants.Thousands and thousands of animals live in rainforests.Many of them live in the trees over 30 meters from the ground.Read 1a together.Rainforests are veryimportant to us.They ar

7、e the lungs of the earth.The plants in the forests help to make the air fresher and cleaner.They also help to hold the water when it rains and keep the water cycling.They play an important part in controlling the climate.Rainforests also help to keep the beauty of nature.Without rainforests,many bea

8、utiful plants and animals would die out.Rainforests give us wood,food,fruit,medicine,and manymore useful things.We need rainforests for many reasons.Butnow,rainforests are becoming smaller and smaller,so we should protect them.85后皇嘉树:文件录音录音1a-P85Feature of rainforests1.in the _ parts of the world2._

9、 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%surfaceplantsanimalsfreshercleanerh

10、oldcycling climate naturewoodfoodmedicine1bRead 1a and complete the table.Then check Read 1a and complete the table.Then check with your partner.with your partner.1cRead again and answer the questions.Read again and answer the questions.1.What does the word“cover”mean in Paragraph 1?2.Why are rainfo

11、rests 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.1cRead again and answer the questions.Read 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?

12、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.The last sentence in a paragraph may tell you what comes next.1cRead again and answer the questions.Read aga

13、in and answer the questions.5.What should we do to protect rainforests?We should save paper and mustnt use the chopsticks for only once.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.成千上万的成千上万的成百上千的成百上千的成百万上千万的，数以百万计的成百万上千万的，数以百万计的hundr

14、eds of2.Thousands and thousands of五百五百two hundred5.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3.Many of them live in the trees ov

15、er 30 meters from the ground.over =more than 多于，多于，超过超过 eg:Our class has _ 50 students.4.They play an important part in controlling the climate.play an important part(in sth.)在某事中起重要作用；在某事中起重要作用；参与（某事）参与（某事）Eg:他积极参加班级活动。他积极参加班级活动。He _ class activities.over/more thanplays an active part in1.Learn to

16、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 According to these pictures,write a short passage.According to these pict

17、ures,write a short passage.show and tell people about do anything we can，such as ask people not to You can write like this: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.