第三章课件——郎俊姣

1、 Chapter3 Reading ()陵川二中Lang JunjiaoOxford EnglishA dangerous servant 陵川二中Lang Junjiaoa robotWhere does a robots energy come from?Its energy comes from electricity.vWhere does our energy come from?(Energy is the power that makes things work.)Perhaps without electricity our lives will not be interest

2、ing. Now let us talk about electricity.What is it? Electricity 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 g

3、et an electric shock. Its dangerous.We 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(movement-moving or being moved)2In our daily lives, what kinds of In our daily lives, what k

4、inds of things needs things needs electricityelectricity ? ?3There are different ways of producing electricity.() Daisy was going to buy a packet of sweets. () Benny didnt reply to his sister because he wanted nothing.() Benny didnt think Daisy could buy electricity in packets like sweets.() Benny w

5、anted to make Daisy look foolish.() Mum was happy about that.According to the first part of the text, tell whether the following statements are true or false. Correct the statement if its false.TTTFFBenny asked Daisy to get him a packet of electricity.Mum was unhappy and she asked Benny not to say t

6、hat.Daisy was going to buy a packet of sweets. Benny asked Daisy to get him a packet of electricity. Benny didnt think Daisy could buy electricity in packets like sweets. Benny wanted to make Daisy look foolish. Mum was unhappy and she asked Benny not to say that. This is what happenedAccording to t

7、he second part, answer the following questions. How does electricity come into our flats? What is it like? What are the wires connected to? What are the cables connected to? What does electricity give us?Electricity comes into our flat through thin wires. Its like water, in a way. They are connected

8、 to cables under the street. They are connected to a power station. It gives us power. What did Daisy buy? Was she right? Why? Batteries. Yes, she was.Because the chemicals inside batteries produce electricity.According to the third part, answer the following questions.4Daisy: Im going to buy _. Doe

9、s _ want _?Benny: Can you get me _?Daisy: Yes, I can.Benny (laughs): She cant buy electricity _. Shell look _.Mum: You mustnt say that, Benny.A moment later, Daisy comes back.Benny: May I have my _?Daisy: Here you are.Benny: But these are _!Dad: Daisys right. The _ inside batteries produce _.Mum: Wh

10、o looks _ now, Benny?Finish the following dialogue using information from the text. Read the dialogue in groups, with each group member playing a different role. Choose the right words to complete the sentences:Playing with fire is very . (danger, dangerous)Cables are connected (with, to) a power st

11、ation. Everyone (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 f

12、or an hour. (In, At) the end, it arrived.I didnt remember (what, how) Mr. Lee had asked me to do.1. No one can be sure (what will man look like, what man will look like) in a million years. 将A,B栏目中意义相近的单词或短语相连 A B_ connected A. that cant be seen_ invisible B. every month_ at last C. partly_ in a way

13、 D. a person working in the service of another_ monthly E. in the end_servant F. include_ foolish G. joined_ contain H. stupid, not clever Key phrases1.看起来愚蠢 6.changeinto look foolish 把变成2.和连在一起 7. come from be connected to 来自3.一袋糖果 8. make electricity a packet of sweets 发电4.想出 9. in a way think of

14、在某个方面5.小心，当心 10. at last be careful with 最后，终于Complete the sentences:1) Its to touch the electricity with 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) I

15、n the old days, the rich usually asked to do the housework for them. (serve)7) Tim works as a newspaper boy and he gets his pay from his boss . (month)Homework:II. Read and recite paragraphs 413.III. Read and recite the words and expressions.a robotWhere does a robots energy come from?Its energy comes from electricity.vWhere does our energy come from?(Energy is the power that makes things work.) 将A,B栏目中意义相近的单词