八年級(jí)仁愛(ài)英語(yǔ)Unit4Topic1SectionC

1、Topic 1 Which do you like Topic 1 Which do you like better, plants or animals ?better, plants or animals ?earth n. 地球；土，泥；大地地球；土，泥；大地Look 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 rainforests?2.

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?學(xué)習(xí)目標(biāo)1. Learn some new words and phrases: thick, forest, ground, wet, cover, earth, surface, thousands of, control, die out, wood, protect2. Go on

3、 learning the structure of comparative and superlative degrees of adjectives: (1) The plants in the forests help to make the air fresher and cleaner. (2) Rainforests give us wood, food, fruit, medicine, and many more useful things. (3) But now, rainforests are becoming smaller and smaller, so we sho

4、uld protect them.3. Talk about the basic situation about the water resource and tropical rain forests and their importance to the earth.預(yù)習(xí)導(dǎo)綱：1、單詞互譯與記憶 1) 茂密的_2) 森林_ 3）覆蓋_ 4) ground_ 5) surface_ 6) control_ 7) protect _2、短語(yǔ)互譯與記憶 1) 成千上萬(wàn)_ 2) 地球的肺_3) 越來(lái)越小_ 4) 在方面起重要作用_5) 滅絕_3、句子理解與熟讀 (1).Rainforests co

5、ver 6% of the earths surface. (2)Thousands and thousands of animals live in the rainforests. (3) The plants in the forests help to make the air fresher and cleaner. (4) They play an important part in controlling the climate. (5) Without rainforests , many beautiful plants and animals would die out.選

6、詞填空 control, cover, beautiful, easy, protect1) Water_most of the earth.2) Forests can help to make the air fresher. They also help to_the weather.3) We should _ environment to make our cities more beautiful4) Lesson 5 is _than Lesson 65) This rose is _than that one.coverscontrolprotecteasiermore bea

7、utiful單項(xiàng)選擇。( ) 1. _ watched the Beijing Olympic Torch Relay(火炬接力） in Zhengzhou. A. Thousands people B. Thousands of people C. Ten thousands people D. Thousand of people( ) 2. Five _ people are waiting for the train. A. hundred of B. hundreds C. hundred D. hundreds of( ) 3. The snake is one of _ in t

8、he world. A. the most dangerous animal B. dangerous animal C. the most dangerous animals D. more dangerous animals( ) 4.The number of wild animals is becoming _ A. much more small B. much more smaller C. smaller and smaller D. small and small( ) 5. The girl is _than the other girls. A. more careful

9、B. much careful C. the most careful D. carefulCCCABWatch the flash of 1a, and find out the answers.What can rainforests give us ?What can rainforests give us ?視頻視頻1a-P851aRainforests give us Rainforests give us foodfoodmedicinemedicineRainforests give us fruitsfruitsRainforests give us Listen to 1a

10、and complete the table. Then Listen to 1a and complete the table. Then check with your partner.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.m

11、ake 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錄音錄音1a-P851cRead again and answer the questions.Read again and answer the ques

12、tions.1. What does the word “cover” mean in Paragraph 1 ?2. Why are rainforests the lungs of the earth ?It means “覆蓋覆蓋”.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 rainfo

13、rests 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.The last sentence in a par

14、agraph may tell you what comes next.1cRead again and answer the questions.Read 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.數(shù)詞數(shù)詞 % +of+可數(shù)名詞復(fù)數(shù)可數(shù)名詞復(fù)數(shù)可數(shù)名詞單數(shù)可數(shù)名詞單數(shù) / 不可數(shù)名詞不可數(shù)名詞 Eg: 50% of the students in our

15、class are boys. 70% of the earth is water.成千上萬(wàn)的成千上萬(wàn)的成百上千的成百上千的成百萬(wàn)上千萬(wàn)的，數(shù)以百萬(wàn)計(jì)的成百萬(wàn)上千萬(wàn)的，數(shù)以百萬(wàn)計(jì)的hundreds of2.Thousands and thousands of【鏈接】?jī)汕П緯?shū) two thousand books ； 四百個(gè)學(xué)生four hundred students思考：“與具體數(shù)字相連時(shí)”，hundred，thousand后面是加s，還是不加s ？_ 幾千人 a few/ several thousand people (注意：thousand有沒(méi)有加s)思考：hundred，thousa

16、nd被_和_修飾時(shí)，hundred，thousand不加s。3. Many of them live in the trees over 30 meters from the ground. over = more than 多于，多于， 超過(guò)超過(guò) 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； 參與（某事）參與（某事） Eg: 他積極參加班級(jí)活動(dòng)。他積

17、極參加班級(jí)活動(dòng)。 He _ class activities. over/more thanplays an active part in5. But now rainforests are becoming smaller and smaller.“形容詞比較級(jí)形容詞比較級(jí) + and + 形容詞比較級(jí)形容詞比較級(jí)” 越來(lái)越越來(lái)越Eg. 天氣變得越來(lái)越暖和了。天氣變得越來(lái)越暖和了。The weather gets warmer and warmer. 中國(guó)變得越來(lái)越強(qiáng)大。中國(guó)變得越來(lái)越強(qiáng)大。China becomes stronger and stronger.越來(lái)越小越來(lái)越小思考思考:當(dāng)多

18、音節(jié)的形容詞表達(dá)當(dāng)多音節(jié)的形容詞表達(dá)“越來(lái)越越來(lái)越”時(shí)，該如何表達(dá)時(shí)，該如何表達(dá)? _ _ _ + _【練一練練一練】：越來(lái)越漂亮：越來(lái)越漂亮_； （beautiful） 越來(lái)越重要越來(lái)越重要_； （important）Discuss the pictures in groups about Discuss the pictures in groups about how to protect rainforests. Then how to protect rainforests. Then write a short passage.write a short passage. show

19、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 :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 pro

20、tecting 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. 快速閱讀。 Do you know why different animals or pests (害蟲(chóng)) have

21、 their special colors？Colors on them seem to be used mainly (主要地) to protect themselves. Some birds like eating locusts (蝗蟲(chóng)), but birds cannot catch them easily. Why? Because locusts change their colors according to the colors of crops (莊稼). When crops are green, locusts look green. But as the harve

22、st time comes, locusts change to the same brown color as crops have. Some other pests with different colors from plants are easily found and eaten by others, so they have to hide (隱藏) themselves and appear (出現(xiàn)) only at night. If you study animal life, youll find the main use of coloring is to protect themselves. Bears, lions and other animals move quietly through forests. They cannot be easily seen by hunters (獵