八年级英语A-dangerous-servant课件

1、Electricity8B Chapter 4A dangerous servant8B Chapter 311.What do you think of electricity? Why?2.Electricity gives power for all kinds of electrical appliances. Can you name some of the electrical appliances we use in our lives? (When we plug an appliance into the wall socket, we are using electrici

2、ty produced by a generator.)2electrical appliancesan air conditionera blendera CD player a computer a cooker a hair dryera lamp a kettle3electrical appliancesa heatera fan an irona microwavean ovena printer4electrical appliancesa recordera refrigeratora TV seta vacuum cleanera video playera washing

3、machinea mobile phone(a fridge)5a robotWhere does a robots energy come from?Its energy comes from electricity.Where does our energy come from?(Energy is the power that makes things work.)6Perhaps without electricity our lives will not be interesting. Now let us talk about electricity.What is it? Ele

4、ctricity is the power which is produced by rubbing (friction), by a machine called a generator or by chemical means (e.g. a battery).Can we see it ? No, its a kind of energy that we cannot see. Its invisible.Can we touch it? No, we cant. We may get an electric shock. Its dangerous.7Power stations py

5、lonshomeDo you know how electricity comes to us?8The pylons carry wires.Wires carry electricity.Electricity comes into our flats through thin wires, and the thin wires are connected to thick wires. The thick wires are called cables and they are buried underground. Cables are connected to power stati

6、ons. Power stations make electricity.9Homework:Go over the vocabulary items and recite them.Listen to the recording of the article and read it aloud several times.Finish Ex.C/ D / E on page 46, 47.10Electricity8B Chapter 4A dangerous servant8B Chapter 311Ex. Fill in the blanks with proper words:wire

7、 energy cable shock1. Young people have more than old people.2. Dont touch the ! Youll get an electric .3. When the workers were digging up the road, they cut the , and as a result, there was a blackout in the area. a thread of metal the power that makes things work a thick, strong rope made of wire

8、 a very strong force or blow a period of darkness caused by a cut in the electricity supply12We can change electricity into energy that we can see, hear, or feel. We can also change it into energy that move things.light energysound energyheat energymovement energy(movementmoving or being moved)13Can

9、 you tell what kind(s) of energy do they produce?141516 Vocabulary electricity n. electric a. 电的,电动的,发电的 electric cables电缆 an electric kettle 电壶 electric current电流 electrical a. 电的,电气科学的 electrical appliances 电器 an electrical engineer 电气工程师 electrician n. 电工, 电学家 If any of the electrical appliances

10、or the wiring in your home is out of order, you need to find an electrician to repair them.17 1) When did the story happen? 2) Benny didnt want to trick Daisy, did he? 3) Does Benny know what electricity is? 4) Why must we be careful with electricity? 5) How does electricity come into our homes? 6)

11、What are the wires connected to? 7) What did Daisy buy for her brother? 8) Does Daisy know what electricity is? 9) How do batteries work? 10) What do you think of Benny and Daisy? Read aloud the article and answer the following questions:18Complete the sentences:1) Its to touch the electricity with

12、your hand. (danger)2) We can buy sugar in . (pack)3) He had no for why he was late. (explain)4) Water. has three solid, liquid and gas. (form)5) The thief the treasure under the tree. (bury)6) In the old days, the rich usually asked to do the housework for them. (serve)7) Tim works as a newspaper bo

13、y and he gets his pay from his boss . (month)Homework:II. Read and recite paragraphs 413.III. Read and recite the words and expressions.19Electricity8B Chapter 4A dangerous servant8B Chapter 320Public transporttrain busundergroundplanemaglev train21phrases热能 / 电能 / 声能动能 / 原子能精力充沛的不同形式的能量一包信件一盒20支香烟终

14、于起先埋电缆在某种程度上谨慎,小心变成欺骗,heat energy / light energy / sound energymovement energy / atomic energybe energetic / be full of energydifferent forms of energya packet of lettersa packet of 20 cigarettesat last / in the end / finallyat first / at the beginning ofbury cablesin a waybe careful with / ofchange

15、 into / turn intotrick somebody / play a trick(joke) on somebody22Fill in the blanks:fool battery happiness danger polite real produceThe trees can protect themselves by a chemical that makes their leaves taste nasty.Im sorry about my being late, sir.What is , water or fire?Would you like to get me

16、some ?Dont always do such things.He answered that question yesterday.Although they are poor, they are .23 join together in the end that cannot be seen words that make sth. clear or say what sth. means shapes or kinds power that makes things work or makes people do things put something or someone in

17、the ground a very wide smile thick ropes of wire which electricity passes through power that (comes through wires and) can make heat, sound and light, and move things a machine that tells you the amount used (done or happening) every month the glass part of an electric lamp that gives out lightWrite

18、 out words or expressions according to their meaning.connectat lastinvisibleexplanationformsenergyburygrincableselectricitymetermonthlya light bulb24Choose the right words to complete the sentences:Playing with fire is very . (danger, dangerous)Cables are connected (with, to) a power station. Everyo

19、ne (can, must) keep quiet in the library.You need (a lot of, many) energy to play squash.We get electricity from the power station (across, through) wires and cables.The stars are (visible, invisible) when its cloudy.People usually pay their rent (month, monthly).He waited for the bus for an hour. (

20、In, At) the end, it arrived.I didnt remember (what, how) Mr. Lee had asked me to do.No one can be sure (what will man look like, what man will look like) in a million years.25Fill in the blanks with the verbs in their proper forms:Youd better (not, take) it away.The pen always (remind) me of my cous

21、in, because it was sent to me by him.The policeman ran up to the thief and (catch) him by the arm.Our parents tell us (not laugh) at others.The two cities (connect) by a new railway.Did you hear what the child (explain) to you?The energy of falling water can be used (produce) electricity.It is the b

22、est novel I ever (read) before.26Complete the sentences with proper words or phrases:Electricity is much than water.Electricity a wire.You must electricity because it is dangerous.Will you this wire the television?Dont forget to the light before you leave the house.You must change the bulb after you

23、 the electricity.Its raining hard. You water the flowers.Must the boy copy the text today? No, . But he copy it tomorrow. May I take the magazine out of the reading room? No, .This book be Lucys. Look, her name is on the book cover.27 时彩三星免费计划 之前,在仙女没什么被他吓跑之前,他率先逃掉咯。其实,刚刚那各月色温柔时刻,月光如水,月明星稀,月色撩人,他是多么

24、地想牵上她奷手,吻上她朱唇,他是多么迫切地想要告诉她,他有多么爱她。可是他却像壹各可耻逃兵,将她壹各人留在那浪漫月色中,灿烂星空下。虽然他人回到咯朗吟阁,但是他心,早就留在咯她身边,无论她在哪里,都有他牵挂、他关心、他真心、他爱情陪伴左右,别离须臾,如影随行,相依相伴。此时此刻,后悔如潮水般地涌上他心头,他刚才都做咯些啥啊?他怎么能狠心将她壹各人留下?他怎么能别与她风雨共担?在房里转咯壹圈,来别及落座,他就又推开咯房门,他急切地想要去找她,比任何壹各时候都急切,至于找到她之后做啥啊,他还没什么想好。别过,就算别是去直白地表明心迹,也要陪伴她走壹程,送她回怡然居。壹路上有他相伴,壹生中有他相陪,

25、他壹定要做她最坚定依靠,别管未来有怎样凄风苦雨。决心壹旦下定,他再也没什么任何犹豫,步伐坚定地朝松溪走去。秦顺儿见到王爷出来,赶快上前问道:“爷,您那是去哪儿?”“噢,爷只在府里随便走走,您,您别用跟着咯。”秦顺儿彻底糊涂咯!跟着王爷当差也有十来年咯,那可是第壹次,主子出门却没什么带奴才同行!即使是在府里,从来都是王爷去哪儿他就去哪儿。那壹次爷是要去哪里?用别着他伺候?还是说事情太机密,连他都别能晓得?第壹卷 第647章 迷雾他晓得秦顺儿正百思别解地望着他背影,所以他强忍着心头焦急,装模做样、四平八稳、慢慢地向松溪走去。当走咯壹段,估计已经脱离秦顺儿视线之后,他脚步别由地加快咯起来。到后来,由于担心水清已经走掉,于是脚下生风般地大踏步地前进,最后竟然紧跑咯两步。他那几步紧跑急追