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1、Period 2Section A第1页/共32页Words&Expressions(P70)bulb light bulb microwave microwave oven电灯泡；电灯电灯泡微波（的）微波炉第2页/共32页light bulblight bulbWhen When were they inventedwere they invented?第3页/共32页 watch watch第4页/共32页microwave ovenmicrowave oven第5页/共32页 alarm clock alarm clock第6页/共32页PairworkPairwork3a第7页/共32
2、页 Helpful inventions:Helpful inventions:vacuum vacuum cleaner,soundproof door and cleaner,soundproof door and window,car,computer,fax window,car,computer,fax machinemachine Annoying inventions:Annoying inventions:air-air-conditioner,truck,telephone,junk conditioner,truck,telephone,junk food,ice crea
3、mfood,ice cream第8页/共32页 Sentence pattern:Sentence pattern:What is this in the picture?What is this in the picture?What is it used for?What is it used for?Do you think it is helpful/Do you think it is helpful/annoying?annoying?第9页/共32页Dialogue 1:Dialogue 1:AA:What is this?:What is this?第10页/共32页B B:I
4、t is an alarm clock.:It is an alarm clock.A A:What:What is is it it used forused for?B B:It:It is used foris used for waking people waking people up in the morning.up in the morning.A A:Do you think it is:Do you think it is annoying?annoying?B B:Sometimes,when I want to:Sometimes,when I want to go o
5、n sleep.go on sleep.第11页/共32页Dialogue 2:Dialogue 2:A A:What is this?:What is this?第12页/共32页B B:It is a light bulb.:It is a light bulb.A A:What:What is is it it used forused for?B B:It:It is used foris used for giving light.giving light.A A:Do you think it:Do you think it is helpfulis helpful?B B:Yes
6、,I think so.Because I:Yes,I think so.Because I always do homework and read always do homework and read books in the evening by its books in the evening by its light.light.第13页/共32页Dialogue 3:Dialogue 3:A A:What is:What is this?this?第14页/共32页B B:It is a microwave oven.:It is a microwave oven.A A:What
7、:What is is it it used forused for?B B:It:It is used foris used for heating cold food heating cold food and and cooking meals.cooking meals.A A:Do you think it:Do you think it is helpfulis helpful?BB:Yes,I think so.Because my parents:Yes,I think so.Because my parents are very busy and I can use it t
8、o are very busy and I can use it to cook meals by myself.cook meals by myself.第15页/共32页3b第16页/共32页A:What do you think is the most helpful invention?B:I think the most helpful invention is the light bulb.A:Why is that?B:Well,it gives people more time to work and play every day.第17页/共32页Dialogue 1:A:W
9、hat do you think is the most helpful invention?B:I think the most helpful invention is the vacuum cleaner.第18页/共32页A:Why is that?B:Well,it can help me clean the floor when mother asks me to do the cleaning.第19页/共32页Dialogue 2:第20页/共32页A:What do you think is the most annoying invention?B:I think the
10、most annoying invention is the air-conditioner.A:Why is that?B:Well,I feel uncomfortable in the room with an air-conditioner.第21页/共32页Dialogue 3:truck第22页/共32页soundproof door and window第23页/共32页A:What do you think are the most annoying or helpful inventions?B:I think the truck is the most annoying i
11、nvention and the soundproof door and window is the most helpful invention.第24页/共32页A:Why is that?B:The trucks always make noises and people cant sleep well.If they have the soundproof door and window,people neednt worry about the noises anymore.第25页/共32页GroupworkGroupworkWhat would you do if you are
12、 alone What would you do if you are alone on a tiny island?on a tiny island?第26页/共32页A:Id like to have a radio because I could listen to music all day.B:Yes,but thats not going to help you leave the island.I think it would be better to have第27页/共32页A:Id like to have some matches because I could ligh
13、t a fire to keep warm.B:Yes,but thats not going to help you leave the island.I think it would be better to have a cell phone.Dialogue 1:第28页/共32页A:Id like to have a telescope because I could look far.B:Yes,but thats not going to help you leave the island.I think it would be better to have a signal lamp.Dialogue 2:第29页/共32页Reading the famous works the Adventures of Robinson Crusoe written by Daniel Defoe.第30页/共32页Thank you for listening!第31页/共32页感谢您的观看！第32页/共32页