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人教版英語(yǔ)八年級(jí)下冊(cè)Unit 7 SectionB 3a-Self check課件 (共31張PPT)

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1、1.通過(guò)控制性的寫(xiě)作活動(dòng),能正確運(yùn)用所給信息并根據(jù)3b呈現(xiàn)的說(shuō)明文框架進(jìn)行寫(xiě)作練習(xí),對(duì)鯨魚(yú)的生活習(xí)性及生存現(xiàn)狀等進(jìn)行描述并表述自己的觀點(diǎn)。2.通過(guò)對(duì)形容詞和副詞比較級(jí)及最高級(jí)的復(fù)習(xí)鞏固,能獨(dú)立完成一篇有關(guān)鯨魚(yú)的說(shuō)明性的短篇文章。 鯨的體型是世界上存在的動(dòng)物中最大的,鯨是終鯨的體型是世界上存在的動(dòng)物中最大的,鯨是終生生活在水中的哺乳動(dòng)物,對(duì)水的依賴(lài)程度很大,生生活在水中的哺乳動(dòng)物,對(duì)水的依賴(lài)程度很大,以致它們一旦離開(kāi)了水便無(wú)法生活,鯨形狀像魚(yú),以致它們一旦離開(kāi)了水便無(wú)法生活,鯨形狀像魚(yú),鼻孔在頭的上部,用肺呼吸。體長(zhǎng)可達(dá)三十米,是鼻孔在頭的上部,用肺呼吸。體長(zhǎng)可達(dá)三十米,是現(xiàn)在世界上最大的動(dòng)物。

2、現(xiàn)在世界上最大的動(dòng)物。 鯨為適應(yīng)水中生活,減少阻力,它們的后肢消鯨為適應(yīng)水中生活,減少阻力,它們的后肢消失,前肢變成劃水的漿板。身體成為流線型,酷失,前肢變成劃水的漿板。身體成為流線型,酷似魚(yú)。因而它們的潛水能力很強(qiáng),小型齒鯨可潛似魚(yú)。因而它們的潛水能力很強(qiáng),小型齒鯨可潛至至100-300米的水深處,停留米的水深處,停留4-5分鐘,長(zhǎng)須鯨可在分鐘,長(zhǎng)須鯨可在水下水下300-500米處待上米處待上1小時(shí),最大的齒鯨小時(shí),最大的齒鯨-抹香鯨抹香鯨能潛至千米以下,并在水中持續(xù)能潛至千米以下,并在水中持續(xù)2小時(shí)之久。小時(shí)之久。Read the following words and phrases a

3、bout whales. Put them in the correct place in the chart.1. Humans catch whales for meat, fat and oil2. Eat small fish and other sea life3. Jump high out of the water4. Rules on whale protection5. Huge6. Water pollution3a7. Live in the sea8. Some kinds have teeth9. Learn more about whales10. Stop put

4、ting rubbish into the sea11. Sing songs12. Whale parts sold to make things likes candles and soapWhat do they look like?Where do they live?What do they eat?What can they do?Why do some of them have to be protected?How can we protected them?5 8723 111 6 124 9 10What do they look like?Where do they li

5、ve?What do they eat?What can they do?Why do some of them have to be protected?How can we protectthem?Huge; Some kinds have teethLive in the seaEat small fish and other sea lifeJump high out of the water;Sing songs Humans catch whales for meat, fat and oil; Water pollution; Whale parts sold to make t

6、hings like candles and soapRules on whale protection;Learn more about whales;Stop putting rubbish into the sea3bWrite a paragraph about whales and why they need to be protected. Use the information in 3a. Then make a poster.Whales are They live inThey eat They canOne interesting fact is Another inte

7、resting fact is Some kinds of whales are in danger becauseWe should protect whales from I think people should/shouldnt Whales are huge animals. They live in the sea and eat small fish and other sea life. One interesting fact is whales can jump high out of water. Some kinds of whales are in danger be

8、cause humans catch them for meat, fat, and oil, and use whale parts to make candles and soaps. Whales are also in danger from water pollution. We should protect whales by making rules on whale protection and by not putting rubbish into the sea. I think people should learn more about whales.方法一方法一: :

9、善用詞匯善用詞匯 善用善用高級(jí)詞匯高級(jí)詞匯方法二方法二: :活用多種句型活用多種句型方法三方法三: :妙用關(guān)聯(lián)詞妙用關(guān)聯(lián)詞寫(xiě)作實(shí)踐寫(xiě)作實(shí)踐由于樹(shù)木被大量砍伐,植被面積逐年減少,空氣受到嚴(yán)重污染,臭氧層遭到嚴(yán)重破壞請(qǐng)以“How to protect our environment?”為題,寫(xiě)一篇80100詞的短文,談?wù)勀愕南敕?。提示詞:pollution污染;reuse再利用;make full use of充分利用;plastic塑料;plant種植How to protect our environment?_思路構(gòu)建思路構(gòu)建步驟構(gòu)思列綱1提出觀點(diǎn) As students, we shoul

10、d try our best to protect our environment. 2具體做法We should go to school by bike or on foot. We should reuse water. I should make full use of paper. I never use things made of plastic. I advise my parents to plant some trees. 3總結(jié)觀點(diǎn) Lower carbon, happier life. 自我展示自我展示 How to protect our environment? A

11、s students, we should try our best to protect our environment. Now the pollution is more and more serious. We can see too many buses and cars on the roads. So we should go to school by bike or on foot. And we should also ask our parents to ride bikes to work. We should reuse water. _For example, aft

12、er I finish washing clothes, I use the water to clean the floor. At school, I think saving paper is necessary, so I often make full use of paper. At the sametime, I never use things made of plastic. And I advise my parents to plant some trees and flowers behind our house. Its important for us to liv

13、e a low-carbon life to protect the environment. Lower carbon, happier life. 請(qǐng)你以“Saving tigers”為題,為某中學(xué)生英文報(bào)習(xí)作園地專(zhuān)欄寫(xiě)一篇征文稿。內(nèi)容提示:1.老虎是動(dòng)物園里最受歡迎的動(dòng)物之一;2. 現(xiàn)在世界上僅存大約3200只老虎,數(shù)目日趨減少(reduce);3. 老虎處境危險(xiǎn)的原因;4. 保護(hù)老虎的建議。要求:1.語(yǔ)句通順;表達(dá)正確;2. 郵件必須包含所提示的內(nèi)容,可適當(dāng)發(fā)揮;3. 詞數(shù): 80左右。常用寫(xiě)作句型常用寫(xiě)作句型1. One of the most dangerous 2. is abo

14、ut 3. The most famous 4. Some of them are in danger because 5. We should do something to protect them from Saving tigersDo you like tigers? I think the tiger is one of the most popular animals in the zoo.But now there are about 3,200 tigers in the world, and the number of them is smaller and smaller

15、.What causes it to reduce? Because people cut down many tree, they have no place to live in.In order to protect them, we must build many natural reserves.And we must stop people from hunting them.1. Complete the chart.AdjectivesComparativesSuperlativeshighdangerouslongpopularhigherhighestmore danger

16、ous most dangerouslongerlongestmore popular most popular2. Match verbs and objects. Then add one more object to each list.VerbsObjects1.reacha. my life, my money,.2. achieveb. the top of a mountain, the library,.3. riskc. my dream, success,bodyBeijingmy wishReach the top of a mountainReach the libra

17、ryReach the bus stopReach the agreement (達(dá)成協(xié)議)(達(dá)成協(xié)議)Achieve my dreamsAchieve successAchieve the first placeAchieve our goalRisk my lifeRisk my moneyRisk management(風(fēng)險(xiǎn)管理風(fēng)險(xiǎn)管理)Risk defeat(冒著失敗的風(fēng)冒著失敗的風(fēng)險(xiǎn)險(xiǎn))( ) 6. Which city is _, Beijing, Shanghai or Fuzhou? A. beautiful B. more beautiful C. the most beau

18、tiful( ) 7. _ children there are in a family, _ their life will be. A. The less, the better B. Fewer, richer C. The fewer, the betterCC( ) 8. My brother is _ more outgoing than me. A. many B. little C. much( ) 9. October 12th was one of _ days in 2005. Shenzhou-VI was launched(發(fā)射)successfully. A. ex

19、citing B. more exciting C. the most excitingCC二、用括號(hào)內(nèi)單詞的適當(dāng)形式填空。1. Jim is very _. Li Lei is _ than Jim. (hungry)2. Kates mooncakes are _ of all. (nice)3. Your box is _ than mine. But his is _ of the three. (heavy) 4. This TV play is _ than that one. (good)5. This picture is _ of the four. (beautiful)hungryhungriernicerheavierheaviestbetterthe most beautiful

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