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1、Topic 1 Which do you like better,plants or animals?Studying Aims继续学习形容词比较级和最高级的用法。谈论地球上水资源和热带雨林的基本情况以及它们对于地球上生物的重要性。增强学生保护水资源和森林资源的意识。Free TalkA：Do you like living in the countryside or the city?B:I like living in the.A:Why?B:Because.Watch the flash of 1a，know something about rainforests.视频视频1a-P851
2、a速读课文第一段，找找答案速读课文第一段，找找答案 (3)Where do animals live in rainforests?(1)What are rainforests?(2)How many animals are living in the rainforest?forestthick,darkwetThey provide places to live for thousands of plants and animals found nowhere else on Earth.hotforestrain Rainforests are thick forests in the
3、 hot part of the world.It rains a lot and ground is always dark and hot in rainforests.Rainforests cover 6%of the earths surface.They provide places to live for thousands of plants and animals found nowhere else on Earth.There are lots of tall trees and other different kinds of plants.Thousands and
4、thousands of animals live in rainforests.Many of them live in the trees over 30 meters from the ground.细读课文，找出第一段的Topic Sentence（中心句）。阅读第二段，找出下列问题的答案。阅读第二段，找出下列问题的答案。1.What can we get from rainforests?2.Why are rainforests important to us?wood n.木头，木材；木头，木材；Rainforests give us rubber rubber n n.橡胶橡胶
5、橡胶橡胶 foodmedicine fruits找出中心句找出中心句 Rainforests are important to us.They are 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.Rainf
6、orests also help keep the beauty of nature.Without rainforests,many beautiful plants and animals would die out.Rainforest give us wood,food,medicine and many more useful things.We need rainforests for many reasons.But now,rainforests are becoming smaller and smaller,so we should protect them.Listen
7、to 1a and complete the table.Then check with your partner.hotwetdarkhot6%surfaceplantsanimalsfreshercleanerholdcycling climate naturewoodfoodmedicine1b录音录音1a-P851cRead again and answer the questions.1.What does the word“cover”mean in Paragraph 1?2.Why are rainforests the lungs of the earth?3.Why sho
8、uld we protect rainforests well?It means“覆盖覆盖”.Because the plants in the forests help to make the air fresher and cleaner.Because they help to hold the water and keep the water cycling.They play an important part in controlling the climate.1cRead again and answer the questions.4.Can you guess what t
9、he next part of the passage will talk about?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.5.What should we do to protect rainforests?We should save paper and mustnt use the chopsticks for only once.1.Rainforest
10、s 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.Thousands and thousands of animals live in rainforests.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，成百万上千万的，数以百
11、万计的数以百万计的hundreds ofmillions ofKey pointsBut now rainforests are becoming smaller and smaller.越来越小越来越小“形容词比较级形容词比较级形容词比较级形容词比较级+and+and+形容词比较级形容词比较级形容词比较级形容词比较级”或或或或“more and more+“more and more+多音节形容词原级多音节形容词原级多音节形容词原级多音节形容词原级”e.g.e.g.天气变得越来越暖和了。天气变得越来越暖和了。天气变得越来越暖和了。天气变得越来越暖和了。The weather gets war
12、mer and warmer.中国越来越美丽。中国越来越美丽。中国越来越美丽。中国越来越美丽。China is China is more and moremore and more beautiful.beautiful.Key pointsDiscuss the pictures in groups about how to protect rainforests.Then write a short passage.How to protect rainforests？show and tell people about importance of protecting them not
13、 use chopsticks for only oncenot cut downuse less paper and be sure not to waste it.plant more trees 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
14、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.1.Learn to describe the situation of rainforests and the importance to the earth.2.Talk about h
15、ow to protect rainforests.3.useful phrases:thousands of control the climate over =more than play an important part(in sth.)smaller and smaller 1、thick forests/hair/smoke 茂密的森林/头发/烟雾2、provide places to live 提供住的地方/provide sth to sb provide sb with sth3、thousands of 数以千计的 tens and hundreds of two thou
16、sand sheep/goats5、nowhere else 没有别的地方 6、on earth 在地球上 /到底 究竟7、different/all kinds of 不同(各）种类的8,play an important part in doing sth 在。方面起重要作用9、many/some of them 它们中的许多/一些10、live in the trees 30 meters form the ground 住在距离地面30米的树上12、hold the water保持水份 keep the water cycling 保持水循环13、die out 灭绝(died dying)14，control the climate/weather 控制气候、天气15，in the woods 在树林中 16，the lungs of the earth 地球之肺