上海牛津版七年级下册Unit11 Electricity 同步讲义 解析版.doc

1、上海牛津版七年级下册Unit 11 Electricity一、 词汇Words1.dangerousadj.危险的dangern. 习惯用语：indanger处于危险中2.servantn.佣人、仆人servev.接待，服务 servicen.服务3.electricityn.电electricadj.电的；用电的 electricaladj.用电的； 与电有关的4.butsth.inpackets成包买 习惯用语：buysth.for=spendonsth.5.flow(into,through,etc.sth.)v.流；流动6.explanationn.解释；说明explainv.解释7.

2、invisibleadj.看不见的，不可见的反义词：visibleadj.看得见的 visionn.视力；视野havegood/normalvision视力好/正常8.energyn.能量；能heatenergy热能 lightenergy光能 9.connectv.（使）连接；联结 习惯用语：1connectAto/withB 2connectAandB10.bury(buried,buried)v.把（某物）掩藏在地下习惯用语：buryonesnoseinabook埋头看书 11.powern.（1）电力供应apowerstation发电厂；发电站（2）能力powerlessadj.无能为

3、力的 bepowerlesstodosth. powerfuladj.强有力的powerfulweapons强大的武器12.containv.包含；含有；容纳containern.容器 13.chemical（1）n.化学物质（2）adj.化学chemicalchanges化学变化 chemistryn.化学chemistn.化学家；药剂师 14.producev.生产 productn.产品 meatproducts肉制品productionn.生产；产量二、重要句型Important Sentences structures1.Althoughelectricityismuchmoreda

4、ngerousthanwater,尽管电比水要危险得多， （1）althoughconj.=though虽然；尽管（2）muchmoredangerousthanmuch用来修饰比较级 可以修饰比较级的词much,alot,far,得多alittle,abit,一点儿even甚至，still仍然 2.Canyoutellmewhatitlookslike?你能告诉我它看起来像什么吗？3.Wecallthethickwirescables.我们把粗电线叫做电缆。 4.Wecanchangeitintoformsofenergythatwecansee,hearorfeel. Thatwecans

5、ee,hearorfeel是定语从句，修饰energy。that为关系代词，在定语从句中做宾语。三、语法MayI/we？这一类疑问句的肯定回答为Yes,please.或Certainly;否定回答为Pleasedont.或No,youmustnt.【知识梳理1】易错题梳理一单选1.A sudden noise made the girl _ to cry.A) started B) start C) starting D) to start 【误】：A 【正】：B 【析】：考查make用法，make是使役动词，make sb do sth2.The chicken tastes _ the f

6、ish.A) as well as B) much better than C) the best to D) so good as 【误】：A 【正】：B 【析】：taste为感官动词，后接adj 这一句表示比较，排除其他选项3.Linda has _ one-year-old baby.A) / B) a C) an D) the 【误】：C【正】：B 【析】：看单词发音，one 首字母为辅音4.It _ till noon.A) stopped raining B) didnt stop raining C) rained not D) didnt keep raining 【误】：错误

7、项均有【正】：B 【析】：根据题意，直到中午雨才停5.She went away through the back door _ meet him.A) to not B) in order to not C) so that not D) in order not to 【误】：错误项均有【正】：D 【析】：根据题意，为了不见他 in order not to do sth6.In 2005, Aichi hosted the World Expo _ the theme “Natures Wisdom”A)of B)have C)with D) about 【误】：B【正】：C 【析】：它

8、的主题用with结构，表示“带有”【知识梳理2】易错题梳理一词转1. Be careful! The painting from the Tang Dynasty is _ (price)2._ goes before a fall. (proud)3. “Cats ” is one the the most popular _ in the world .(music)1. 【误】：错误均有 【正】：priceless 【析】：句意是无价之宝，priceless结合后缀容易出错2. 【误】：错误均有【正】：pride 【析】：根据句意，骄傲就会跌倒3. 【误】：music 【正】：music

9、ians 【析】：cats 不太熟悉导致出错，“猫王” 【知识梳理3】易错题梳理一句型转换1.I left school after I finished all my homework.I _ leave school _ I finished all my homework.2.The International Flower Show opened on May 1 and ended on July 31.The International Flower Show_ _from May 1 to July 31.3.We should return the money to the o

10、wner who lost it. We should _ _ the money to the owner who lost it1.【误】：错误均有 【正】：didnt until 【析】：句意是“做完作业才离开”可以与not .until互换2.【误】：is opened【正】：is open 【析】：open词性要注意，此处为adj3.【误】：错误项均有 【正】：give back 【析】：return “还回”=give back【知识梳理4】易错题梳理一写作Suppose some foreigners have come to your school and youre show

11、ing them around your new school. Write a passage of at least 60 words, introducing your school to the foreign friends. (写一篇关于你的学校的短文， 次数不少于60 词) Suggested Outlines:1. How big is your school?2. How many classroom buildings (dormitory buildings) are there in your school?3. How many teachers and studen

12、ts are there in your school?4. Are the facilities modern?5. What do you do after class?6. What do you think of your school life?范文：I am a student of Hope Middle School. My campus is big and beautiful. There are many tall trees and beautiful flowers. There are three dormitory buildings and classroom

13、buildings in my school. There is also a big playground. We are so happy that we have over 50 kind and friendly teachers teaching us. They not only work hard and teach us well but they take good care of us as well. However, they are strict with us. There are forty-five students in our class. We all g

14、et on well with each other. At school, we learn many subjects, such as Chinese, Maths and English. We try our best to learn them well. I love my school because its just like my home.基础题A. Choose the best answer. 1. This is _unusual bottle but it is not _useful one. A. a; aB. an; aC. a; anD. a; the【答

15、案】B【解析】unusual前用an，useful首个音标发j，用a2. If you want to keep _, you _do more exercise and eat less.A. health; shall B. healthily; shallC. health; shouldD.healthy; should【答案】D【解析】keep+adj保持健康，should do sth应该做某事，如果想要保持健康，你应该多做运动，少吃。3. His seat is next to _and the bag on his seat belongs to_. A. mine, heB.

16、 me; himC. me; hisD. mine; him【答案】D【解析】his seat在我的座位旁my seat=mine，belong to sb（人称代词宾格）属于某人，可知选D.4. There _a wonderful football match between Spain and Italy next week.A. isB. will haveC. is going to beD. is going to have【答案】C【解析】there一般不和have连用，next week下周，用一般将来时，所以选C.5. Our teacher asked us to writ

17、e _story.A. a 80-word B. an 80-wordC. a 80-wordsD.an 80-words【答案】B【解析】80-word八百字的，连字符号不加s，然后eighty首个音标发音为元音，所以用an6. The little boy wasnt listening _in class, so he often missed some important parts.A. careful enough B. enough careful C. carefully enough D. enough carefully【答案】C【解析】enough做副词的时候，形容词和副

18、词放在它前面，因为listen为动词，需要副词来修饰，所以用carefully7. In the word chatted, we pronounce the letters ed_. A. /d/B./id/C./t/D./it/【答案】B【解析】t后加ed读/id/8. -Is there any milk in the fridge? -Sorry, there is _left in it.A. nothingB. noneC. no oneD. any【答案】B【解析】nothing表示所有种类的东西都没有，none指的是milk这一种类没有，所以选B.9. The report s

19、ays that there are over 11_people living in Suzhou now.A. millionB. millionsC. million of D. millions of【答案】A【解析】基数词+million表示具体数字，不加s，不加of，选A.10. - _weather! Lets go boating on the lake. -Good idea. A. What a goodB. How goodC. What good D.How good a【答案】C【解析】省略it is，weather为名词，所以用what，因为其为不可数名词，所以用C

20、.11. We stopped _, but _nothing. A. to listen; heard B. listening; listened C. listening; heard D. to listen; listen【答案】A【解析】stop to listen停下来听，但是没有听到任何东西，听到用heard12. They kept the door _, so I _see what they did. A. closed, cant B. closed; couldnt C. open; cant D. open; couldnt【答案】B【解析】keep sth+adj

21、/doing，他们一直把门关着，所以我看不到他们所做的事情，一把过去式用couldnt.13. Remember _your homework here tomorrow! A. takingB. to takeC. to bring D. bringing【答案】C【解析】remember to bring your homework记得把作业带过来，尚未发生，所以选C.14. I heard him _the piano in the next room at 10:00 last night. A. playedB. to playC. playingD. plays【答案】C【解析】h

22、ear sb doing/do听到某人正在做/经常做某事，可知选C.15. -Could you buy _milk for me, please? -Sorry, I dont have _money.A. some; someB. any; anyC. any; someD. some; any【答案】D【解析】询问对方意见，并希望得到肯定回答用some，any放在否定句中，表示一些，可知选D. 阅读提高A. Read and choose the best answer. When you enter a supermarket, you see shelves full of food

23、. Perhaps you hear soft slow music as you walk 1 shelves. If you hear fast music, you walk quickly. If the supermarket plays slow music, you walk slowly and have much time to buy things.Maybe you go to the meat department first. There is some meat on sale, and you want to find it. The manager of the

24、 supermarket knows where customers(顾客) go into the meat department. The cheaper meat is 2 of the meat department, away from where the customers come in. You have to walk past all the expensive meat before you find the cheaper meat. Perhaps you will buy some of the expensive meat instead of the cheap

25、er meat on sale. The department selling milk and milk products is called the 3 department. Many customers like milk that has only a little butter fat in it. One says 1% fat on the bottle. The second says 99% fat free. The third says LOW FAT in big letters and 1% in small letters. As you can see, all

26、 the milk has the same amount(数量) of fat. The milk is all the same. 4 , in this store the three bottles of milk have three kinds of prices. Perhaps the customers will 5 the milk that costs the most.( ) 1. A. betweenB. acrossC. intoD. over( ) 2. A. in the centreB. at one endC. at the other end D. on

27、one side( ) 3. A. countrysideB. farmC. milkD. dairy( ) 4. A. ThereforeB. HoweverC. Of courseD. For example ( ) 5. A. sellB. buyC. boughtD. have bought【答案】1.A 2.C 3.D 4B 5.B【解析】1. shelves表示书架，所以再书架之间穿行，用between2. 根据下文You have to walk past all the expensive meat before you find the cheaper meat.可知在尽头a

28、t the other end3. 后面涉及牛奶，所以应该是diary department奶制品区4. 前面说牛奶都一样，后面有说了好几种类，所以表示转折however5. Customer客户，顾客，所以是买will 加动词原形，所以用buyB. Read the passage and fill in the blanks with proper words: Do you like to read stories? Almost everyone does. Good stories are fun to r_1_. Good stories let you share excitin

29、g adventures. They make you laugh when something f 2 is said or done. They make you shiver(颤抖) when something is frightening. They make you glad when things turn out (结果是) right. Good stories help you to learn about other times, other people, and other places . They may even help you to learn more a

30、bout y 3 . What kinds of good stories do you know? There are stories about make-believe (假装的) people, such as those about Detective Holmes or Cinderella. There are also make-believe stories about real people, such as stories the Wright Brothers and Abraham Lincoln. There are stories about a 4 , such

31、 as stories about the Lion King and the three Little Pigs. There are a_5_ stories about dolls, such as those about Pinocchio and the Gingerbread Boy. There are stories about things that might have happened long time ago, or in faraway lands. Do you know any stories that take place in the future? Do

32、you know any stories about things that might happen today to girls and boys just l 6 you?【答案】 1.read 2. funny 3. yourself 4. animals 5. also 6. likeHomeworkSection A：Read the passage and fill in the blanks with proper words （在短文的空格内填入适当的词，使内容通顺，每空格限填一词，首字母已给）(14%) How fit are you? Do you look after

33、yourself? Do you eat healthily or do you eat anything you like? Aston Villa Football Club are encouraging their players and local children to eat healthy food. They know that w 1 you eat is the key to success. Eating the right thingA good d 2 is a basic part of sport these days. Aston Villa manager

34、Martin ONeills sport and health experts, have chosen a secret weapon- organic food (food grown without chemicals). Fitness manager Jim Henry eats with his players and said: “I chose to organic food for Aston Villa because Ive read studies showing that organic food has h 3 levels of vitamins. He beli

35、eves that the best way to get vitamins is to eat the best fresh food. Eating after the match Head chef at Aston Villa, Lan Edge, feeds players with the best food as soon as they finish an away match. He says, “Food is very important to sports stars and particularly a 4 a game. There is an hour of op

36、portunity when they need to eat to get the best muscle strength.T 5 healthy eating Everyone at Aston Villa enjoys organic food at their training ground. But the club is also worried about the unhealthy diet among local children who p 6 sweets and unhealthy fast food. As part of their work in the com

37、munity, Aston Villa has opened up their kitchen and invited children from local schools to their club. Villa midfielder, Nigel ReoCoker, visited the children on the opening day. “The kitchen is helping to develop a healthy way of life.” he said.A final word from the kitchenHead chef Ian says: “Footb

38、allers know how i 7 food is to their profession and nine times out of ten, they go for the healthiest choice.” Do you watch your diet? If you do and you keep yourself healthy, you can be a winner!【答案】1.what 2.diet 3.higher 4.after 5.Teaching 6.prefer 7.important Section B ：Answer the questions (根据文意

39、，回答下列问题) (12%) Napoga is a 12-year-old girl in Ghana, Africa. It is hard for her family to get clean water. Every morning, she leaves home at half past five to get clean water for her family in a village far away. It takes her six hours to get enough clean water for daily cooking and drinking. She h

40、as no time to go to school or to play with her friends. Millions of people in the world are like Napoga. They cant get enough clean water to keep healthy. Earth Day is April 22. But on all other days, we must also remember it. The water we use is the most important natural resource on the earth. Wat

41、er covers 70% of the earths surface. But most of that is sea water. We cant use it for very many things. Fresh water covers only 1% of the earths surface. You probably feel lucky that your life isnt as hard as Napogas. But that doesnt mean you dont have to worry about water. We all face serious wate

42、r problems. One of them is water pollution. All kinds of things from cars, factories, farms and homes make our rivers, lakes, and oceans dirty. Polluted water is very bad for people to drink. And dirty water is bad for fish, too. Now, 34% of all kinds of fish are dying out. How do cars and factories

43、 make our water dirty? First, they pollute the air. Then, when it rains, the rain water comes down and makes our drinking water dirty. Dirty rain called acid rain(酸雨), is also bad for plants, animals and buildings. Something must be done to prevent water from being polluted.Scientists say that in 30 years, more than half of the people in the world wont have enough clean water. We have to learn how to save more water for ourselves and our children. Here is some advice for saving water:Turn off the water while you brush your teeth. You can save as m