1、Unit 4 Our World,Topic 1 Whats the strongest animal on the farm?,Section A,sheep,some sheep,What can we see in the countryside?,goose,some geese,What can we see in the countryside?,mouse,some mice,What can we see in the countryside?,单音节及部分双音节形容词比较级（- er）和最高级（- est）的规则变化。,1. 一般在词尾直接加er/est: talltalle
2、rtallest2. 以e 结尾的单词去e加er/est: widewiderwidest3. 以辅音字母加y结尾的单词，把y改成i, 再加 er/est : busybusierbusiest以重读闭音节结尾，且末尾只有一个辅音字母的单词，双写末尾的辅音字母，再加er/est : bigbiggerbiggest , (fat, thin, red, hot),taller,tallest,braver,bravest,fatter,fattest,thinner,thinnest,uglier,ugliest,2b,Study the rules carefully and complet
3、e the table.,写出下列形容词的比较级和最高级。,short _ _ small _ _large _ _ late _ _happy _ _ easy _ _hot _ _ hard _ _cute _ _ dirty _ _,Listen to the conversation and fill in the blanks.,2a,One day, the children were visiting a farm.,录音2a-P81,small big,The mice are smaller than the hens.,The hens are smaller than t
4、he geese.,The mice are the smallest of all.,？,？,The hens are bigger than the mice.,The geese are bigger than the hens.,The geese are the biggest of all.,small big,？,？,thin,The ducks are a little thinner than the geese.,The ducks are much thinner than the pigs.,？,thin adj. 瘦的；薄的；稀的,1. The comparative
5、 and superlative degrees of adjective. 形容词比较级、最高级的规则变化 及用法。（-er/est） 2. Talking about animals and describing nature.,summary,Unit 4 Our World,Topic 1 Whats the strongest animal on the farm?,Section B,Check your sounds,Look at the pictures and write down the words according to the sounds. Then listen
6、 and check the vowels and stress.,/ frDg / _,/ Insekt / _,/ sneik / _,frog,insect,snake,3,录音3-P84,/ fDks / _,/ gu:s / _,/ kau / _,/ i:p / _,fox,goose,cow,sheep,As we know, plants and animals are important to us.,be important to sb.,众所周知,Key points,We share the same world with them. share with 与分享Eg：
7、 They are sharing a piece of long bread. They often share beautiful music with each other.,Which do you like better, plants or animals?like better更喜欢I like apples better.I like cats best.like best最喜欢I like bananas best.,3. A: Do you like the countryside?B: Yes, / I like it very much / because / the
8、air isfresher, the sky is bluer/ and the rivers areclearer there.,You often pause when you see a comma or finish a sense group.,Talk about plants and animals in nature.2. Useful expressions:like betterlike bestshare with ; give joyfeed on; be important to,summary,Unit 4 Our World,Topic 1 Whats the s
9、trongest animal on the farm?,Section C,Rainforests cover 6% of the earths surface.,six percent,Key points,数词 % +,可数名词复数,可数名词单数 / 不可数名词,Eg: 50% of the students in our class are boys.70% of the earth is water.,成千上万的,成百上千的成百万上千万的，数以百万计的,hundreds of,millions of,Thousands and thousands of animals live in
10、 rainforests.,3. Many of them live in the trees over 30 meters from the ground.over = more than 多于， 超过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； 参与（某事）Eg: 他积极参加班级活动。He _ class activities.,over/more than,plays
11、 an active part in,5. But now rainforests are becoming smaller and smaller. “形容词比较级 + and + 形容词比较级” 越来越 Eg. 天气变得越来越暖和了。The weather gets warmer and warmer.中国变得越来越强大。China becomes stronger and stronger.,越来越小,1. Learn to describe the situation of rainforests and the importance to the earth. 2. Talk abo
12、ut how to protect rainforests. 3. useful phrases: thousands of control the climateover = more than play an important part ( in sth.)smaller and smaller,summary,Unit 4 Our World,Topic 1 Whats the strongest animal on the farm?,Section D,= the southwest of China 中国西南部,Pandas live in the forests and mou
13、ntains of Southwest China.,Key points,north,east,southeast,southwest,northeast,northwest,south,west,2. Now they are in danger because some humans kill whales and make the ocean water dirtier.,处于危险状态,Grammar,Comparative and superlative degrees of adjectives (),fresher,bluer,clearer,quieter than,nices
14、t,fattest laziest,smaller and smaller,Functions,Which,better,better,Why,make,share,with,beauties,Unit 4 Our World,Topic 2 How can we protect ourselves from the earthquake ?,Section A,The telephone is useful.,telephone,The mobile phone is _ than the telephone.,mobile phone,The computer is _ of the th
15、ree.,computer,Lets talk,more useful,the most useful,terrible,cold,toothache,fever,Ask and answer with your partner according to 2b.,Key points,lose ones life 失去生命protect sb. from 保护免受Eg: 戴太阳镜可以保护眼睛不受伤害。 Wearing sunglasses can _ the sunshine. 3. ask sb. for help 向某人求助Eg: 当我们处于危险时，可以向警察求助。We can _ whe
16、n we are in danger.,protect our eyes from,ask the police for help,delicious interesting carefully popular careful,more delicious the most delicious,more interestingthe most interesting,more carefullythe most carefully,more popularthe most popular,more carefulthe most careful,多音节词和部分双音节词： 在词前加more/th
17、e most。,sum up,2a,Study the rules and complete the table.,翻译句子。 .我的学校比你的学校更漂亮。.我认为英语比数学更有趣。.鲨鱼是最危险的动物。.他的病更严重了。,My school is more beautiful than yours.,I think English is more interesting than math.,Sharks are the most dangerous animals.,His illness is more serious.,Exercises,Choose the best answers
18、.The building is _ than that one.A. more taller B. very taller C. taller D. so taller 2. Everything is getting _.A. good and better B. better and betterC. best and better D. best and best 3. Which is _ , the moon or the earth ?A. big B. very bigger C. the bigger D. bigger,summary,The phrases of the
19、dialog :,lose ones life 失去生命protect sb. from 保护免受ask sb. for help 向某人求助,The comparative and superlative of adjectives: more + adj. the most + adj.,Unit 4 Our World,Topic 2 How can we protect ourselves from the earthquake ?,Section B,Key points,1.失去某人的家园2.跑出外3.保持冷静,lose ones home,run out of,stay calm
20、,Unit 4 Our World,Topic 2 How can we protect ourselves from the earthquake ?,Section C,Read 1a and write down the key words under each picture. Retell what we should do based on the key words.,If you are indoors,stay under a strong table or desk,sit on the floor in a doorway or close to the wall,1b,
21、录音1a-P93,Listen to 1a and write down the key words under each picture.,If you are indoors,protect your head and neck with your arms,stay away from the window,If you are outdoors,move to clear areas,get away from buildings and trees,be careful of fallen power lines,Key points,Knowing some ways to pro
22、tect yourself will help to keep you safe in an earthquake.了解一些（在地震中）保护自己的方法，将会帮助你在地震中保护自己的安全。keep sb. / sth. + adj. 保持 / 护某人 / 物 Eg: keep our classroom clean 保持教室清洁keep us healthy 保持健康,2. or close to a wall is safer close to 靠近 / 接近 （介词短语）Eg: You can _ the fire and you will feel warmer. 3. Stay away
23、 from windows stay away from = get away from 远离Eg: 我们应该远离一切危险的东西。We _ everything dangerous.,sit close to,should stay away from,4. The danger is not over when the strong shaking stops.当强震停止时，危险还没有结束。be over 结束Eg: _ , lets have a rest. 课上完了，让我们休息吧。The meeting _ , but he was still sleeping.会议结束了，他还在睡觉。
24、,Class is over,was over,summary,We learn : some phrases.keep sb. / sth. + adj.close tostay away from = get away frombe over 2. We know some ways to protect ourselves in an earthquake.,Unit 4 Our World,Topic 2 How can we protect ourselves from the earthquake ?,Section D,Watch the flash and read 1, th
25、en find out the phrases in the passage .,1. five million 2. with the help of 3. the whole nation 4. rebuild their home 5. return to normal life,视频1-P95,五百万 在的帮助下 全国 重建他们的家园 恢复正常的生活,Key points,Five million people lost their homes.基数词修饰million, hundred, thousand时，只能用单数形式（表示确数）。two hundred three thousa
26、ndseven million当hundred, thousand, million 与of连用时，一定要用复数（表示概数）。hundreds of 数百，数以百计thousands of 数千，成千上万 millions of 数百万,两百 三千 七百万,2.But with the help of the whole nation with the help of sb. / sth. = with ones help Eg:在警察的帮助下，他终于找到了他的小狗。_, he found his little dog at last.在电脑的帮助下，他知道了很多的东西。 _the compu
27、ter, he knows a lot of things.,在的帮助下,With the help of the police/With the polices help,With the help of,Summary,Read through Sections A-C carefully and complete each sentence below.,more serious,the most serious,more useful,the most useful,dangerous,the most important,The safest,Grammar,Comparative
28、and superlative degrees of adjectives (),Functions,hit,hear,How,from,Unit 4 Our World,Topic 3 The Internet makes the world smaller.,Section A,Do you like doing some shopping on the Internet?,在网上,1. 在互联网上 2. 和聊天 3. 面对面 4. 形成 5. 开始使用,Key points,on the Internetchat withface to facecome into beingmake i
29、t into use,Key points,5. The Internet makes the world smaller.,主语,谓语,宾语,宾语补足语,Eg: 这部电影使我们很开心。这个故事使我们哭了。我们应该保持教室干净。,宾语补足语: 放在宾语之后，用于补充说明宾 语做某事或宾语怎么样。,The film made us very happy.,This story made us cry.,We should keep our classroom clean.,see/play computer games,The man saw the boy playing computer g
30、ames.,see sb. doing sth. 看见某人正在做某事,ask/close the windows,The teacher asks his students to close the window.,The key phrases of this lesson.,Summary,on the Internetchat withface to facecome into beingmake it into uselet sb. do sth.see sb. doing sth.,Unit 4 Our World,Topic 3 The Internet makes the wor
31、ld smaller.,Section B,From Section A, we knew something about the uses of the Internet.,We can do shopping at home.,From Section A, we knew something about the uses of the Internet.,The Internet can help us find the way.,From Section A, we knew something about the uses of the Internet.,We can enjoy
32、movies on the Internet.,From Section A, we knew something about the uses of the Internet.,We can study on the Internet.,From Section A, we knew something about the uses of the Internet.,We can chat with our friends.,From Section A, we knew something about the uses of the Internet.,We can listen to m
33、usic to relax.,From Section A, we knew something about the uses of the Internet.,We can read books we like.,From Section A, we knew something about the uses of the Internet.,We can learn to cook.,Key points,Im sure you can find lots of information on the Internet now.be sure ( that ) + 句子 确信 ; 肯定Im
34、not sure if that is a good idea.be not sure if/whether + 句子 不确定是否Eg : 我确信他会来参加我的生日晚会。I _ he will come to my birthday party.他不确定他是否去我的生日晚会。He _ he will go to my birthday party.,am sure ( that ),is not sure if/whether,Do the exercises,Choose the best answer. Computers are very useful to us, but studen
35、ts shouldnt _ too much time _ them.A. spend; in B. cost; / C. spend; on D. take; to 2. We can shop _ the Internet _ going to the shops.A. on; without B. in; without C. in; for D. on; with,3. We can use QQ to chat online.-Really ? Could you please show me _ it ?A. what to do B. how to do C. when to d
36、o D. why to do 4. Im _ sure _ computers can work in our heads well .A. /; whether B. not; that C. not; if D. quite; whether,Summary,We master the drills :be sure that +句子be not sure if/whether + 句子,Unit 4 Our World,Topic 3 The Internet makes the world smaller.,Section C,Key points,1. become an impor
37、tant part of 变成重要的一部分Eg: 那只小狗变成了那位老人生活中的重要部分。The little dog _ theold mans life.2. Some people use the Internet to hurt others andget money by cheating.一些人用互联网伤害他人并通过欺骗来获取钱财。,became an important part of,通过,use sth. to do sth. 使用某东西去做某事 = use sth. for doing sth.Eg: 他不会用筷子吃饭。He cant _ eat.He cant _ eat
38、ing.,use chopsticks to,use chopsticks for,3. The Internet can change our lives for the better,but we should use it carefully. 因特网会使我们的生活变得更好，但我们应该恰当地使用它。for the better 向着较好的情况（转变）for the + adj.比较级 向着较的情况转变Eg: 我希望天气很快就会好转。 I hope the weather will soon change _ .五月里，她的病情恶化了。In May, her illness took a
39、turn _ .,for the better,for the worse,4. The Internet makes our lives more interesting.This helps make life easier.make sb. / sth. + 形容词比较级 使某人 / 某物 Eg: 那只小狗使那位老人的生活更开心。The little dog makes the old mans life happier.,找出宾语补足语的句子。,Do the exercises.,Choose the best answer. _ you _ the Internet is good
40、for us ? Yes, of course.A. Are; sure B. Would ; mindC. Are; believe D. Are ; think 2. We can use the Internet for _ movies. It is very wonderful.A. watch B. watching C. to watch D. watched,Summary,We master some phrases:1. become an important part of 变成重要的一部分2. use sth. to do sth. 使用某物去做某事= use sth.
41、 for doing sth.3. for the better 向着较好的情况（转变）for the + adj.比较级 向着较的情况转变4. make sb. / sth. + 形容词比较级 使某人 / 某物,Unit 4 Our World,Topic 3 The Internet makes the world smaller.,Section D,Review,What can we do on the Internet?,Internet,Send e-mails. Find information. Listen to music. Watch movies. Chat with
42、 our friends. Play computer games. Study English.,Key points,advice about sth. / doing sth.关于的建议Eg: 医生给了他一些关于保健的建议。The doctor gives him some advice about keeping healthy.老师应该经常给学生一些关于学习的建议。Teachers should often give students some advice about study.,2. change English into Chinese把英语变成汉语change sth. i
43、nto sth.把变成Eg: 我们应该把知识变成力量。We should _ power.请把这些冰变成水。Please _ water.,change knowledge into,change the ice into,look up new words 查找新单词look up 查找 (代词it , them 作宾语时，放在短语中间)Eg:如果你不认识这个单词，可以在词典里查找。If you dont know the word, you can _in the dictionary.,look it up,Grammar,Subject + Vt. + Object + Object
44、complement,Functions,Do the exercises,1.Pens are helpful to humans. Students use pens for _.A. write B. writes C. wrote D. writing 2._ is not easy to draw pictures with this pen.You are right.A. There B. This C. That D. It 3.Where are you going to work next year?_ Maybe in Hefei or Nanjing.A. Im not
45、 so sure. B.I think so.C. Thats a good idea. D.I hope not. 4.Dont make me _ the clothes. Im too tired!A. washing B. to wash C. wash D. washed,Choose the best answer.,选择方框中的句子完成对话，其中有两项多余。 Kangkang: Hi, Michael. How often do you use the Internet? Michael: Very often. _ Kangkang: I never use the Inter
46、net. _ Michael: A lot of things. I often listen to music. _ Kangkang: Are you sure the Internet is good for us? Michael: _ It can help us do a lot of things. We can findsome information about places and jobs. _ But weshouldnt spend too much time on it.,C,E,A,B,D,Summary,1. Grammar of this topic：Subject + Vt. + Object + Object complement 2. The phrases of this topic. 3. We know how to protect ourselves from disasters.,
