九年級英語全冊《Unit13We’retryingtosavetheearth（第2課時(shí)）》教案人教新目標(biāo)版(new)

1、unit 13 were trying to save the earth！ section a 3a-3c一、【教材分析】教學(xué)目標(biāo)知識目標(biāo)1。學(xué)習(xí)并掌握新詞匯：shark, fin， method， cruel， cut off， harmful， chain， ecosystem, low, industry， law， environment，environmental, scientific2。 學(xué)會(huì)并正確使用以下常用表達(dá)：hear of， cut off， throwinto, no longer， not onlybut also， be harmful to， at the to

2、p of the food chain, the sale of ,ask sb。 to do sth.， so far, be good for， be against， in danger3. 學(xué)會(huì)使用以下句型:（1） do you realize that youre killing a whole shark each time you enjoy a bowl of sharks fin soup?（2)when people catch sharks， they cut off their fins and throw the shark back into the ocean.（

3、3）this method is not only cruel, but also harmful to the environment。 （4）the numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.（5）they have even asked governments to develop laws to stop the sale of sharks fins。能力目標(biāo)通過文段閱讀，提高閱讀理解能力。情感目標(biāo)了解環(huán)境污染的壞處，樹立環(huán)保意識。教學(xué)重點(diǎn)會(huì)用重點(diǎn)

4、詞匯和句型.教學(xué)難點(diǎn)語言知識點(diǎn)的運(yùn)用。教學(xué)方法情境教學(xué)法;任務(wù)型教學(xué)法二、【教學(xué)流程】環(huán)節(jié)師生活動(dòng)二次備課i。 復(fù)習(xí)熱身1、檢查生詞預(yù)習(xí)。（1)先通過ppt呈現(xiàn)本課的單詞,教師領(lǐng)讀,學(xué)生跟讀,并幫助學(xué)生正音。(2）做題鞏固。根據(jù)句意和首字母提示寫出所缺的單詞。this method is not only c_, but also harmful to the environment。sharks are at the top of the food chain in the oceans e_. but in fact, around 70 million sharks are caught

5、 and traded in this i_ every year.many have heard of sharks f_ soup。if their numbers drop too low, it will bring d_to all ocean life。答案：cruelecosystemindustryfindanger 2、自由交談。t： the earth is badly polluted。 what should we do to save the earth?s1： take buses instead of driving cars.s2: turn off the l

6、ights when you leave a room.s3: recycle books and paper. .感知體驗(yàn)感知1.ppt展示下列圖片。創(chuàng)設(shè)情景：there are some animals are endangered。 we should do something to protect the animals and the environment! 體驗(yàn)1。 分組談?wù)撊绾伪Ｗo(hù)瀕危動(dòng)物。the zoos provide homes for many endangered animals. 感知2.ppt展示屠殺鯨魚圖片，創(chuàng)設(shè)問題情境：have you ever seen a

7、 shark？ what do you know about sharks？體驗(yàn)2. 同學(xué)之間閱讀文章并談?wù)撜页龃鸢?強(qiáng)化鞏固1. 處理教材3a的內(nèi)容.where shark fin soup is popularsouthern chinanumber of sharks caught and traded every year70 millionhow much the numbers of some kinds of sharks have fallen in the last 20 to 30yearsover 90 percent two environmental groups w

8、hich are against “finning”wild aid and the wwf2.處理教材3b的內(nèi)容.read the passage and fill in the blanks with the words in the box. many people do not realize they are killing a whole shark _ they enjoy a bowl of sharks fin soup。sharks are at the top of the food chain， _ if their numbers drop， the oceans e

9、cosystem will be in danger。many think that sharks are too strong to be endangered, _they are wrong。_there are no scientific studies to support this， a lot of people believe that sharks fins are good for health。sharks may disappear one day_ we do not do something to stop the sale of sharks fins。答案:wh

10、en so but althoughif3. 語言知識點(diǎn)的歸納整理.(1)a shark can no longer swim and slowly dies. 鯊魚不能再游泳然后慢慢死掉。 no longer意思是“不再” im no longer a student。 我不再是個(gè)學(xué)生了。 （2)this method is not only cruel， but also harmful to the environment. 這種方法不但殘忍而且對環(huán)境有害。用于連接兩個(gè)表示并列關(guān)系的成分，著重強(qiáng)調(diào)后者，其意為“不僅而且”；其中的also有時(shí)可以省略。 she not only plays

11、 well， but also writes music. 她不僅很會(huì)演奏，而且還會(huì)作曲。若連接兩個(gè)成分作主語，其謂語通常與靠近的主語保持一致。如： not only you but also he has to leave. 不只是你，他也得離開。 若連接兩個(gè)句子，not only后面的句子要用倒裝。 not only did he speak more correctly, but he spoke more easily. 他不僅說得更正確，而且講得更不費(fèi)勁了。(3)if their numbers drop too low, it will bring danger to all oc

12、ean life。 如果它們的數(shù)目降至過低,會(huì)給所有海洋生物帶來危險(xiǎn). 此句復(fù)數(shù)形式的numbers表達(dá)全海洋中鯊魚的總量。當(dāng)表示數(shù)值的高或低時(shí),number要用high或low修飾。 in that country, the number of children going to school is higher in cities than in towns and village. 在那個(gè)國家，城市兒童入學(xué)人數(shù)比鄉(xiāng)鎮(zhèn)及農(nóng)村要高.。實(shí)踐應(yīng)用寫出保護(hù)瀕臨動(dòng)物的幾項(xiàng)措施：1. dont kill them and destroy their homes。2。 plant more trees。

13、3. develop laws to protect them.總結(jié)反饋1.結(jié)合板書和課件，讓學(xué)生盤點(diǎn)所學(xué)詞匯和句型。詞匯:shark， fin, method, cruel, cut off, harmful， chain, ecosystem, low， hear of, cut off, throwinto， no longer, not onlybut also, be harmful to, at the top of the food chain， the sale of ,ask sb。 to do sth。， so far, be good for， be against， i

14、n danger句型：(1） do you realize that youre killing a whole shark each time you enjoy a bowl of sharks fin soup?（2）when people catch sharks， they cut off their fins and throw the shark back into the ocean。（3）this method is not only cruel, but also harmful to the environment。 (4）the numbers of some kind

15、s of sharks have fallen by over 90 percent in the last 20 to 30 years.（5）they have even asked governments to develop laws to stop the sale of sharks fins.2. 當(dāng)堂練習(xí).單項(xiàng)選擇。（1）many have _ sharks fin soup。 a。 heard of b. hear of c。 hearing of d. heard from（2）but do you realize that youre killing a whole sh

16、ark _ you enjoy a bowl of sharks fin soup？ a。 if b. when c. but d. although（3）when people catch sharks, they _ their fins a。 cut down b。 cut in c. cut off d. cut up (4)without a fin， a shark can_ swim and slowly dies。 a。 not any more b。 not any longer c. not longer d. no longer(5）sharks are at the t

17、op of the food chain, _ if their numbers drop， the oceans ecosystem will be in danger. a。 but b。 although c。 so d. when答案:（1）a（2）b（3）c（4）d(5）c.作業(yè)1。 review the new words and expressions youve布置 learned today.2。 read and recite the passage。3。 preview the new words and expressions。4. preview the gramma

18、r focus。 三、【板書設(shè)計(jì)】unit 13 were trying to save the earth！ section a 3a3ccut off, throwinto， no longer, not onlybut also, be harmful to， at the top of the food chain, the sale of ,ask sb。 to do sth., so far， be good for， be against， in danger四、【教學(xué)反思】尊敬的讀者：本文由我和我的同事在百忙中收集整編出來，本文檔在發(fā)布之前我們對內(nèi)容進(jìn)行仔細(xì)校對，但是難免會(huì)有不盡如人意之處，如有疏漏之處請指正，希望本文能為您解開疑惑,引發(fā)思考。文中部分文字受到網(wǎng)友的關(guān)懷和支持，在此表示感謝！在往后的日子希望與大家共同進(jìn)步，成長。this article is collected and compiled by my colleagues and i in our busy schedule. we proofread the content carefully before the release of this article, but i