Chapter3Reading (2)

1、Chapter 3 Reading,Reading,Teaching targets:1.Improve the abilities of reading, speaking and writing. 2.Let the students know that electricity is useful, but dangerous. Importance: new words and expressions Difficulty: new expressions,Step I Revision,invisible monthly buried energy forms electricity

2、connected at last in a way an explanation,every month put under the ground the power kinds that cannot be seen words that make something clear partly joined an invisible form of energy after a long time,Match these words and their meanings,Step II Action 1,Think about these questions,What do the pro

3、nouns in italics refer to?,1 I m going to the shop. Can you get me a packet of electricity, please? She thinks you can buy it in packets. You get a bill for it monthly. Electricity is a good servant, but a dangerous one.,I = Daisy,me = Benny,it = electricity,it = electricity,one = servant,Electricit

4、y flows through a . A measures the amount you use, and you get a for it monthly. Its like water, in a way. Although electricity is much more than water. Electricity is a good servant, but a dangerous one. You must always be with it. Nobodys ever electricity. Its . But we can change it into of energy

5、 that we can see, hear or feel.,wire,meter,bill,dangerous,careful,seen,invisible,forms,True or False,We cant see electricity. Electricity can be changed into light energy. 3 Electricity is always safe for us. 4 Electricity flows through a rope. A meter can measure the amount of electricity you use.,

6、F,T,T,T,F,Useful expressions,a packet of sweets 一包糖 a packet of electricity 一包電 2. at last=in the end=finally eg. He waited for the bus for an hour. At last, it arrived. 3. look foolish look是系動詞,后接形容詞,表示“看起來” eg. He looks happy. 4. flow through through 指在內(nèi)部通過 You can see through the glass. across 指在

7、外部通過Lets go across the road. 5. monthly=every month yearly=every year weekly=every week daily= every day 6. in a way=partly eg. I agree with him in a way. 7.be careful with小心對待 eg. You must be careful with fire and electricity. 8. change A into B 把A變成B We change electricity into sound energy,Step Ac

8、tion 2,Think about these questions,What do the pronouns in italics refer to?,1 These are connected to thick wires that are buried under the street. 2 Theyre connected to a power station. There was a grin on his face. Theyre packets that contain electricity.,These= Thin wires,They= Cables/Thick wires

9、,his = Bennys,They=Batteries,Answer these questions :,1.What is Daisy going to buy? 2.What did Benny ask Daisy to buy? 3.Have you ever seen electricity? Why? 4.Where does electricity come from? 5.Did Daisy buy a packet of electricity? What is it?,Shes going to buy a packet of sweets.,He asked her to

10、 buy a packet of electricity.,No, because it is invisible.,It comes from the power station.,Yes, she did. Its a battery.,Use the proper forms of the words to fill in the blanks.,1) He must be to do that. (fool) 2) Electricity is much than water. (dangerous) 3) If you want to watch the television, yo

11、u must the wire to the plug(插頭). (connect) 4) Please give me an of why you are always late for school (explain) 5) Tom offered me a cigarette, but I refused . (polite),foolish,more dangerous,connect,explanation,politely,Use the proper forms of the words to fill in the blanks.,6) We were to see the f

12、ilm. (excite) 7) Do you know different of electricity. （form） 8) You must not make the sound. Its too . (noise) 9) Can you get me four ? (battery) 10) We should make with them. (friend),excited,forms,noisy,batteries,friends,Useful expressions,9. connect =join together be connected to 被動語態(tài)(be+done) e

13、g. The computer is connected to the printer by a wire. 10. bury=put something/someone in the ground eg: In the past, people were usually buried when they died. 11. come back=return eg. He will come back in two hours. = He will return in two hours. 12.grin= a very wide smile eg. There was a grin on his face when he opened his birthday presents. 13.chemical 化學(xué)物質(zhì) chemistry 化學(xué) We learn how to use chemicals in chemistry lessons.,Step IV Summary:,electricity,Its a dangerous servant.,E