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1、Topic 1 Which do you like better, plants or animals ?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Look at the pictures and check which questions the passage can answer. 1.What are rainforests?2.How many animals are living in rainforests?3.Where do animals live in rainforests?4.What c
2、an 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 ?视频视频1a-P851awood 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Rainforests give us foodmedicineRainforests give us fruitRainforests give us
3、 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 wa
4、ter_3. control the _ 4. keep the beauty of _ 5. give us _, _, fruit, _ and so onhotwetdarkhot6%surfaceplantsanimalsfreshercleanerholdcycling climate naturewood foodmedicine1b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 lu
5、ngs 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.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 ke
6、ep 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.5. What should we do to protect rainforests ?We
7、should save paper and mustnt use the chopsticks for once.1. Rainforests are thick forests in the hot parts of the world.热带雨林是位于世界上热带地区的茂密的森林。热带雨林是位于世界上热带地区的茂密的森林。in the hot parts of the world位于位于/在世界上热带地区在世界上热带地区thick forests茂密的森林茂密的森林2. Rainforests2. Rainforests covercover 6% 6% of the earths of th
8、e earths surface.surface.six percentsix percent(2)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.热带雨林覆盖了地球表面的热带雨林覆盖了地球表面的6%。谓谓语动词用语动词用复复数形式数形式单谓单谓 (1) covercover with覆盖覆盖用用覆盖覆盖be covered with被被覆盖覆盖3. They provide places to live
9、for thousands of plants and animals found nowhere else on Earth.它们为数千种动植物提供了生存场所，这些动植物是它们为数千种动植物提供了生存场所，这些动植物是地球上其他地方所没有的。地球上其他地方所没有的。作定语，修饰作定语，修饰作定语，修饰作定语，修饰plants and animals (1) provide sth. for sb.provide sb. with sth.为某人提供某物为某人提供某物(2) places to live生存场所生存场所(3) nowhere else(4) on Earth =on the e
10、arth在地球上在地球上其他地方都没有其他地方都没有千千万万的千千万万的成百上千的，数百成百上千的，数百成千上万的，数千成千上万的，数千成百万上千万的，数以百万计的成百万上千万的，数以百万计的1003005000hundreds ofmillions of1.4. Thousands and thousands of animals live in rainforests.thousands ofone hundredthree hundredfive thousand千千万万的动物栖息在热带雨林中。千千万万的动物栖息在热带雨林中。5. Many of them live in the tre
11、es over 30 meters from the ground. over = more than 多于，多于， 超过超过 eg: Our class has _ 40 students.over/more than它们中许多都生活在离地面它们中许多都生活在离地面30多米高的树上。多米高的树上。6.They are the lungs of the earth.7. They also help to hold the water when it rains and keep the water cycling.它们是它们是“地球之肺地球之肺”。the lungs of the earth
12、地球之肺地球之肺它们还有助于滞留降水，维持水循环。它们还有助于滞留降水，维持水循环。keep the water cycling维持水循环维持水循环keep sb./sth. doing使某人使某人/物不停地做某事物不停地做某事不要让我等那么久。不要让我等那么久。Dont _ for so long.keep me waiting8. They play an important part in controlling the climate.它们对气候的调节起到了重要作用。它们对气候的调节起到了重要作用。play an important part in .在在中起重要作用；中起重要作用；
13、参与（某事）参与（某事）play a/an part in在在中起中起作用作用Eg: 他积极参加班级活动。他积极参加班级活动。 He _ class activities. plays an active part in9.Without rainforests, many beautiful plants and animals would die out.没有雨林，许多美丽的植物和动物会灭绝。没有雨林，许多美丽的植物和动物会灭绝。(1) without sth.without (doing) sth.没有某物没有某物没有做某事没有做某事(2) die out灭绝，消失灭绝，消失例：如果没有
14、水，河里的鱼将会灭绝。例：如果没有水，河里的鱼将会灭绝。_, the fish in the river _.Without waterwould die out10. We need rainforests for many reasons.我们需要热带雨林的原因是多方面的。我们需要热带雨林的原因是多方面的。for many reasons因为多种原因因为多种原因 11. But now rainforests are becoming smaller and smaller, so we should protect them.越来越小越来越小(1) smaller and smaller
15、“形容词形容词比较级比较级 + and + 形容词形容词比较级比较级”Eg. 天气变得越来越冷了。天气变得越来越冷了。 The weather is getting _. 中国正变得越来越强大。中国正变得越来越强大。China is becoming _.我们学校正变得越来越漂亮。我们学校正变得越来越漂亮。Our school is becoming_.但现在，热带雨林正变得越来越小，所以我们应该保护它们。但现在，热带雨林正变得越来越小，所以我们应该保护它们。“more and more+多音节多音节形容词形容词原级原级”colder and colderstronger and strong
16、er“越来越越来越”more and more beautiful12. protect保护保护protect sth./sb. from (doing) sth.保护某人保护某人/物免于物免于这顶帽子能保护他的脸免受太阳光照射。这顶帽子能保护他的脸免受太阳光照射。The hat_ the sun.我们应该教育孩子如何保护他们自己免受伤害。我们应该教育孩子如何保护他们自己免受伤害。We should teach children how to_ harm.can protect his face fromprotect themselves fromDiscuss the pictures i
17、n groups about how to protect rainforests. Then write a short passage. show and tell people about do anything we can，such as ask people not to ask people not to cut Lets plant You can write like this : Rainforests are very important to us. It is necessary for us to protect them very well. First, we
18、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. 1. Lear
19、n 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 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.
