重庆市巴南区石龙初级中学八年级英语《Unit 4 Our World》 学案（无答案） 仁爱版

重庆市巴南区石龙初级中学八年级英语Unit 4 Our World 学案 仁爱版Topic1 we share the world with plants and animals一.重点词语1. sharewith 与共享2. play with 玩弄，玩耍3. in danger 在危险之中4. feed on 以为食5. think about 考虑，思考6. enjoy nature 享受自然7. at night 晚上8. in the daytime 白天9. summer vacation 暑假10. thousands of 成千上万11. in fact 事实上12. find out 查明，发现13. in nature 在自然界二.重点句型.lants are more beautiful than animals.植物比动物更漂亮。.The plants stay green longer there.那儿的植物能更长时间保持绿色。.The rainforests are very important to us.（热带）雨林对我们很重要。.Water is necessary for all plants.It is the most important thing to all living things,we must save every drop of water.水对所有植物是必需的。它对所有生物都重要，我们必须节约每一滴水。.Isnt it interesting？是不是很有趣呀？.It is one of the most dangerous fish in the world.它是世界上最危险的鱼之一。.It is so strange！太奇怪了！三.语法学习（一.）形容词的比较级和最高级的构成. 规则变化：（1.）一般在词尾加er或est.如：freshfresherfreshest.（2.）以字母e结尾的形容词，加r或st,如：latelaterlatest.（3.）以重读闭音节结尾的词，词尾只有一个辅音字母时，应双写这一辅音字母，再加er或est.如：bigbiggerbiggest.（4.）以辅音字母y结尾的双音节词，先改y为i，再加er 或est.如：happyhappierhappiest.（5.）部分双音节词和多音节词前面加more或most构成比较级或最高级。如：carefulmore carefulmost careful,beautifulmore beautifulmost beautiful.不规则变化：good/wellbetterbest,littlelessleast,many/muchmoremost,bad/illworseworst,farfarther/furtherfarthest/furthest.（二.）形容词的比较级和最高级的用法. 比较级或，经常与than搭配，或给出比较的二个内容。可用much和a little修饰. 三者或三者以上比较用最高级，一般给出比较范围如：of（in）。(1)例句：Im happier than you.我比你更快乐。Plants are much more beautiful than animals.植物比动物漂亮的多。()例句：The boy is the tallest in my class.这个男孩是我们班最高的。Lesson Two is the most important of all.第二课是所有中最重要的。四.交际用语：学习如何用英语描述和谈论我们生存的自然环境Do you like plants or animals?What are you thinking about? Why do you think so?What kind of wild animal is the most dangerous,the tiger,the snake or the bear?Why must we save every drop of water?五课堂练习（一）. 单项选择( )1.All animals need _ water.A.littleB.manyC.lot ofD.plenty of( )2.You are standing too near to the TV. Can you move a bit _?OK, Mom. Is it all right here?A.fasterB.slowerC.fartherD.nearer( )3.Did you have breakfast this morning?No, I got up late and went to school _ breakfast.A.forB.inC.withoutD.after( )4.Your classroom is so dirty. Everyone should keep it _.A.dryB.openC.quietD.clean( )5.There were _ animals in the forest many years ago.A.thousand ofB.thousands ofC.three thousand ofD.three thousands of( )6.Wow, your school is great!It is _ school in the city.A.much more beautifulB.much beautiful C.the most beautifulD.beautiful( )7.Blue whales are the largest and heaviest animals in the world, but they _ the smallest sea animals.A.feed inB.live inC.feed onD.fed on( )8.Zhou Fang, can you finish your homework better with _ time?I think I can.A.fewB.fewerC.littleD.less( )9.As we know, water is very important _ us.A.ofB.toC.onD.with( )10.Look! There is a rabbit, two _ and two _ in the picture.A.cows; sheepsB.mice; tigerC.gooses; snakesD.foxes; wolves. 情景交际选择方框中的句子完成对话。Mike: Hi, Jim, what are you talking about?Jim：Oh, we are talking about something in the forest.Mike: 11 Jim:I prefer plants.Mike: 12 Jim:Because they are very beautiful. I think, I like bamboo best. 13 Mike:I like animals better than plants. I think animals are very interesting and we can play with them.Jim: 14 Mike:I like pandas best. They are very lovely.Jim: 15 Mike:Sounds great! Lets go this Sunday.Jim:OK. We can see many kinds of plants and animals there. Its so interesting!Mike:See you!Jim:See you this Sunday!A.Which kind of animal do you like best?B.Which do you prefer, plants or animals?C.Why?D.Why not go to the Forest Park?E.What about you?. 完形填空Many animals use some kind of “language”. They use signals(信号)and the signals have meanings. For example, when a bee(蜜蜂) has found some food, it goes 16 home. It is 17 for a bee to tell 18 bees where the food is by speaking to 19 , but it can do a little dancing. This tells the bees where the food is and 20 it is.Some animals show how they feel by making sounds. It is not difficult to 21 . If a dog is angry, it barks(吠). Birds make several different sounds and 22 has its own meaning. Sometimes we humans make sounds 23 . We make sounds like“Oh!”or“Ouch!”to show how we feel about something or when we 24 something on our feet.We humans have languages. We have words. These words have the meaning of things， actions（行动）, feelings or ideas. We 25 give each other information. Writing down words， we can remember what has happened or send messages to people far away.( )16.A.out ofB.on withC.away fromD.back( )17.A.importantB.difficultC.necessaryD.impossible( )18.A.each otherB.anotherC.otherD.others( )19.A.itB.himC.themD.themselves( )20.A.how longB.how farC.how manyD.how old( )21.A.watchB.seeC.lookD.tell( )22.A.eachB.everyC.allD.some( )23.A.in the same soundB.by different soundsC.in the same wayD.by different ways( )24.A.putB.dropC.fallD.set( )25.A.couldB.are able toC.couldntD.be able to. 阅读理解（A）Plants are very important. This is because plants can make food from air, water and sunlight. Animals and man cannot make food from air, water and sunlight. Animals can get their food by eating plants and other animals. Man gets his food by eating plants and animals, too. So animals and man need plants in order to live. This is why there are so many plants around us.There are two kinds of plants: flowering plants and non-flowering plants. Almost all the trees around us are flowering plants. You can know some trees from their flowers and fruit. Non-flowering plants do not grow flowers. You can not see many non-flowering plants around you.If you look carefully at the plants around you, you will find that there are many kinds of plants. Some plants are large and some are small. Most of them are green. Thanks to the plants around us we can live on earth.( )26.We need many plants around us because _.A.plants can grow easilyB.plants are greenC.we can get what we need from plantsD.we like all kinds of plants( )27.There are so many plants around us because _.A.man doesnt need any plantsB.most animals dont eat plantsC.man and animals need plants to liveD.the earth will become more beautiful( )28.There are _ non-flowering plants than flowering plants around us.A.much fewerB.much moreC.much largerD.much better( )29.Which of the following does NOT come from a plant?A.Basket.B.Bread.C.Cabbage.D.Stone forest.( )30.Which is the best title(题目) of this passage?A.Plants around usB.Man and AnimalsC.Live on EarthD.Food and Plants(B)Do you know why different animals or pests (害虫) have their special colors？Colors on them seem to be used mainly (主要地) to protect themselves.Some birds like eating locusts (蝗虫), but birds cannot catch them easily. Why? Because locusts change their colors according to the colors of crops (庄稼). When crops are green, locusts look green. But as the harvest 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 (隐藏) themselves and appear (出现) 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 (猎人). This is because they have colors much like the trees.A kind of fish in the sea can send out a kind of very black liquid (液体) when it faces danger. While the liquid spreads out, its enemies (敌人) cannot find it, so it can escape (逃跑) at once. So it can live long, though it is not strong at all.( )31.From the passage we learn that locusts _.A.are small animalsB.are easily found by birdsC.are dangerous to their enemiesD.change their colors to protect themselves( )32.How can pests with different colors from plants keep out of danger?A.They run away quickly.B.They have the colors much like their enemies.C.They hide themselves by day and appear at night.D.They have to move quietly.( )33.Bears and lions can keep safe because _.A.they have the colors much like the treesB.they move quietlyC.they like brown and grey colorsD.they live in forests( )34.Why can the kind of fish live long?A.Because it is very big and strong.B.Because it can send out a kind of very black liquid to help it escape from its enemies.C.Because it can send out a kind of liquid to kill its enemies.D.Because it swims faster than any other fish.( )35.Which is the best title(标题) of this passage?A.The Change of Colors for Animals and Pests.B.Colors of Different Pests.C.The Main Use of Colors for Animals and Pests.D.Some Animals and Pests.(C)Tom has the most beautiful garden in our town. Many people take part in“The Nicest Garden Competition”each year, and Tom wins every time. Mikes garden is larger than Toms. Mike works harder than Tom and grows more flowers and vegetables, but Toms garden is more interesting. He has made clean paths (小径) and built a wooden bridge (桥) over a pool. I like gardens, too, but I do not like hard work. Every year, I take part in the garden competition, too, and I always win a little prize (奖励) for the worst garden in our town.根据短文内容，填写下列表格。GardenNice or notWhyTomsThe 36._There are 37._ pathsand a wooden bridge.Mikes38._ than TomsHe works harder than Tom.There are 39._ .The writersthe 40._I dislike hard work. （二）. 词汇(A)根据句意及首字母提示补全单词。1.People can enjoy n_ in the countryside. The air is fresher and the sky is bluer there.2.She c_ the table with a cloth yesterday.3.In the o_, there are all kinds of fishes.4.She was full of j_ because her parents love her.5.Thousands of old trees were in the f_ ten years ago, but now there are few.(B)根据句意及汉语提示填空。6.These plants float on the _ (表面) of the water.7.My grandparents keep a lot of _ (绵羊) in the countryside.8.The fox usually _ (以为食) meat.9.The teacher had no _ (控制) over the children.10.Trees can keep the air much _ (清新). . 综合填空用所给词的适当形式填空，其中有两项多余。feed, fresh, rubber, small, on, control, meatThere are a lot of trees around us. The trees can help to make the air 11 and cleaner. They can also help to 12 the weather. They provide(提供) humans with food， 13 ， medicine and other things. Because of the trees, many animals can live 14 the earth. But people often cut trees down in large numbers. The forests are becoming much 15 than before, so we should protect them well.11._ 12._ 13._ 14._ 15._. 书面表达北京仁爱国际英语学校八年级学生魏环境向福州的网友李志愿发了一封电子邮件，询问了一些情况。请根据来信帮他回一封电子邮件。注意：1.词数：60词左右；2.邮件的开头和结尾已替你写好，不计入总词数。Receiver：Li ZCopy：Subject：How to protect the clean water?Dear Li Zhiyuan，I feel very excited about my visit to Fuzhou and meeting you for the first time! But Im still not sure about the following questions：1.Are there any rivers or lakes in your city?2.Is the water dirty or clean? Why?3.Did you do anything useful to protect the clean water?Please let me know.Your friend， Wei Huanjing Dear Wei Huanjing，I am very excited to receive your e-mail. I am interested in your questions._Looking forward to meeting you soon.Yours， Li Zhiyuan Topic 2 What can robots do for us?一. 重点词语1.take the place of 代替，取代2.instead of 代替，而不是3.mistakefor把错当4.seem to do 好象，似乎5.call for 要求6.wake sb. up 将某人叫醒7.see sb.doing sth. 看见某人正在做某事8.use sth. for sth./doing sth. 利用某物做某事9.spendon 在上花费时间或金钱10.be sure of 确信11.these days 现在，目前12.in alphabetical order 按字母表顺序排列13.look up 查阅14.pay attention to 注意，专心15.begin with 以开始16.and son on 等等17.switch on 开（电灯，机器等）18.ask （sb.）for sth. 向要二重点句型1. Im sure robots can do some work better than humans. 我确信机器人比人能更好地做某些工作。2. I saw a UFO while I was walking down the street yesterday. 昨天我沿着街道走时，看见了一个不明飞行物。3. It looked like a plate. 它看上去像一个盘子。4. Until now,even the scientists are not sure whether there are UFO. 直到现在，甚至科学家也不确信是否有不明飞行物。5. We can shop without going out of our houses. 我们不出家门就能购物。6. We can use the Internet for finding a job. 我们可以用网络来找工作。7. We shouldnt spend too much time on it.但是我们不应该在因特网上面花费太多的时间。8. When you look up a word in the dictionary,pay attention to the first letter of the word. 当你在字典里查一个单词的时候，注意这个单词的第一个字母。三.语法学习（一.）现在进行时与过去进行时的区别：.现在进行时表示现在正在发生或正在做的事情，基本结构be现在分词。如：肯定句：The robots are making a car now. 这些机器人正在生产小汽车。否定句：We are not studying on the Internet. 我们没有在互联网上学习。疑问句：Is the teacher looking up the word in the dictionary？这个老师正在词典中查这个词吗？特殊疑问句：ho am I talking to？我在和谁谈话？.过去进行时表示过去某一时间，正在发生或正在做的事情。基本结构was（were）现在分词。肯定句：hen he came in,I was writing a letter.当他进来时，我在写一封信。否定句：They werent watching TV while she was reading.她读书时，他们没在看电视。疑问句：Was the UFO flying to us at 8 last night ?昨晚点UFO向我们飞来了吗？特殊疑问句：What were you drinking while we were sleeping?我们睡觉时，你们在喝什么？进行时态往往用在时间状语从句中，常与when,while等连词搭配。（二.）be sure结构表示肯定和不肯定。be sure一般用来表示肯定，be not sure（whether/if）表示不肯定。be sure后面可以跟不定式和宾语从句。跟不定式一般译为“一定”，跟宾语从句，译为“确信”。如：We are sure to repair the TV well. 我们一定修好这台电视机。Im sure you can finish your work. 我确信你能完成你的工作。Are you sure whether（if）he switched the computer on? 你确信他打开还是没有打开电脑？四.交际用语：学习用英语谈论现代科技。 Could you tell me something about robots? Can robots take the place of humans? Are you sure there are UFOs? Yes,Im sure. No,Im sure whether/if there are UFOs. What do you often do on the Internet?五课堂练习（一）. 单项选择( )1.Kangkang, can I borrow your bike?_A.Id love to.B.Thank you.C.Sure.D.Youre welcome.( )2.Excuse me, Maria. These are new words. Can you help me look _ in the dictionary?Certainly.A.it upB.up itC.up themD.them up( )3.I was doing my homework _ my father was reading newspapers.A.whatB.whetherC.thatD.while( )4.We can use QQ to chat online.Really? Could you please show me _ it?A.what to doB.how to doC.when to doD.why to do( )5.What a good boy! He _ every Sunday volunteering at an old persons home.A.spendsB.givesC.usesD.takes( )6.Now the air in our hometown is even _ than it was before.So we must do something to stop it.A.dirtyB.betterC.worseD.cleaner( )7.The students on the island feel excited. The boat is coming _ them.A.inB.fromC.towardD.over( )8.The poor man was walking to the house when he saw _ UFO last night.A.aB.anC.theD./( )9.Pens are helpful to humans. Students use pens for _.A.writeB.writesC.wroteD.writing( )10.I think robots can _ humans in some places.A.take placeB.take place ofC.take the place ofD.take of. 情景交际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. 11 Kangkang:I never use the Internet. 12 Michael:A lot of things. I often listen to music. 13 Kangkang:Are you sure the Internet is good for us?Michael: 14 It can help us do a lot of things. We can find some information about places and jobs. 15 But we shouldnt spend too much time on it.A.Sometimes I also play games and find some information about study.B.Yes, Im sure of that.C.What about you?D.It can make our life easier.E.What do you often do on the Internet?F.Im quite sure.G.Guess what!. 完形填空We live in the“computer age”. Long ago computers couldnt do 16 . They were very big and 17 . They used a lot of energy(能量). Only a few people were 18 in them. Today computers are 19 and cheaper. They can 20 difficult work.Computers have 21 important for many reasons. They work faster and make fewer mistakes. They can remember much information. A computer can work out millions of problems 22 a few seconds. A person might need years 23 so many problems.People now use computers in nearly every kind of work. Computers are very useful and the 24 of computers is growing. More computers mean more jobs for people, 25 people need to run(操作) and mend them.Would you like to learn how to run a computer?( )16.A.manyB.muchC.a lot ofD.lots of( )17.A.cheapB.cheaperC.expensiveD.more expensive( )18.A.interestB.interestingC.interestsD.interested( )19.A.smallB.smallerC.bigD.bigger( )20.A.doB.makeC.turnD.eat( )21.A.turnB.gotC.isD.become( )22.A.withB.inC.forD.at( )23.A.works outB.workC.to work outD.to work( )24.A.useB.usefulC.uselessD.to use( )25.A.whyB.howC.becauseD.what.阅读理解（A）The Internet has become part of teenagers(十几岁的) life. A new report on 3,375 students aged from 10 to 18 in seven Chinese cities found that 38 percent of them believe they use the Internet often.While most of them get useful information and use the Internet to help in their studies, some are not using it in a good way. Many are playing online games too much. A few even visit websites(网址) they should not lo