年春人教版英语七年级下册第五单元第四课时教学课件SectionB

年春人教版英语七年级下册第五单元第四课时教学课件SectionB Learning aims1.Knowledge objects (1)Learn some new words and phrases.save flag forget danger cut kill Ivory Over(2)Learn some useful expressions.a symbol of .get lost .helpto live.be in great danger.cut down .killfor .made of 2.Ability objects Describe and talk about the animals are in great danger in English3.Moral objects Learn to like and save the animalsAre you ready?Lets startsaveflagforgetdangercutkillIvoryover救，救助救，救助旗，旗帜旗，旗帜忘记，遗忘忘记，遗忘危险危险砍，切砍，切杀死，弄死杀死，弄死象牙象牙超过，多于超过，多于Can you read these words？Lets learnYou are the bestHe is very big.He is brown or white.He can work for people.elephantHe has a long nose.鼻子鼻子The elephant is one countrys symbol.Thailandflag nowflag beforewhite elephantDo you like elephants?Why?smartplay soccerdrawstand on two legswork for peoplewalk for a long timeremember places with water and foodwaterbe in great dangerivorykill forcut down treesair pollutionwater pollutionterrible weather打勾你打勾你认为在极大危在极大危险中的中的动物物Lets help elephants.save the treesDont buy things made ofivory.由由制成制成Dont kill elephants!读此网站文章，打勾最好的此网站文章，打勾最好的标题ThailandThai Read the article again then answer the questions below.1.Where are the students from?_2.Are elephants smart animals?_Theyre from Thailand.Yes,they are.3.Why are elephants in great danger?_ _ 4.When is Thai Elephant Day?_Because people cut down many trees and they kill elephants for their ivory.Its on March 13th.再再读文章，完成思文章，完成思维图a white elephant on itgood lucksoccer or musicdrawremembercut downivoryabout 3,000treesbuyMarch 13thAnimals are our friends.Lets work hard to save all the animals.由于人类的破坏，与栖息地的丧失等因素。地球上濒临灭绝生物的比例正在以惊人的由于人类的破坏，与栖息地的丧失等因素。地球上濒临灭绝生物的比例正在以惊人的速度增长。在工业社会以前，鸟类平均每速度增长。在工业社会以前，鸟类平均每300年灭绝一种，兽类平均每年灭绝一种，兽类平均每8000年灭绝一种。年灭绝一种。但是自从工业社会以来，地球物种灭绝的速度已经超出自然灭绝率的但是自从工业社会以来，地球物种灭绝的速度已经超出自然灭绝率的1000倍。全世界倍。全世界18的植物，的植物，14的哺乳动物，的哺乳动物，19的鸟类，的鸟类，15的爬行动物，的爬行动物，14两栖动物，两栖动物，13鱼类，都鱼类，都濒临灭绝。灭绝原因濒临灭绝。灭绝原因1.人类过度贪婪人类过度贪婪 2.环境丧失环境丧失 3.过度开发过度开发4.盲目引种盲目引种 5.环境污染环境污染=Save human.人类人类Help you learnLets practiceA:Whats your favorite _?B:My favorite animal is _.A:_ do you like _?B:Because _ are funny.A:_ they _?Are they from Canada?B:No,they _.Theyre _ _.theyWhy themanimalkoalasWherere fromLook at the picture and fill in the blanks.arentfrom Australia用方框中用方框中单词完成短文完成短文beautifulAfricayearslikebecauselives否定疑问句否定疑问句1.Isnt she beautiful?难道她不漂亮道她不漂亮吗？这是否定疑是否定疑问句句,常用来表示反常用来表示反问、责备或或表示表示说话人的看法和惊异的情人的看法和惊异的情绪等。等。句式句式结构：构：be/助助动词/情情态动词的否定式的否定式+主主语+其其它？它？Cant he do the dishes?难道他不会洗碗碟道他不会洗碗碟吗？1.这是一篇介是一篇介绍动物的短文，用一般物的短文，用一般现在在时态。2.先介先介绍Beibei的名字的名字,年年龄,来自哪里，色彩等。来自哪里，色彩等。3.再用系表再用系表结构的句子描写构的句子描写Beibei的特征，写明喜的特征，写明喜欢它的它的原因。可以用句子原因。可以用句子结构：构：I like because shes 4.适当适当扩展，可展，可谈论它能做什么，喜它能做什么，喜欢吃什么，往在哪，吃什么，往在哪，通通读再看扑地有没有写再看扑地有没有写错的句子。的句子。用方框中用方框中单词描写一只熊猫描写一只熊猫作文要点作文要点a description of an animal.namefrom wherewhat to eathobbydescription wordsappearancewhat to do This is Beibei.Shes from China.She is five years old.She is black and white.Isnt she cute?I like Beibei very much because shes kind of shy.She lives in Beijing Zoo.Hello.This is my favorite animal,Beibei.He is a panda.He is 5 years old.Hes from China.He is black and whiteI like Beibei because he is very cute and shy.He eats bamboo.He can walk on two legd and play with me.He lives in Beijing Zoo.Thank you!Write a description of an animal you like.描述你喜欢的一个宠物，描述你喜欢的一个宠物，给他她起个名吧给他她起个名吧,替换划线替换划线Lets have a testBe careful用所用所给的的词组或或单词造句。造句。1.be from _2.kind of _3.like because _ Lions are from Africa.Pandas are kind of shy.My sister likes cats because theyre cute.4.dont like because _ _5.get lost _6.in danger _ 7.cut down _ We sometimes get lost in a big city.They dont like elephants because theyre lazy.Is that elephant in danger?You cant cut down these trees.What can elephants do?Why are elephants in great danger?How to save the elephants?Make a list of the animals that you know.Make a survey in your family.See what animals do they like and why?