九年级SectionA2.ppt

新目标九年级新目标九年级Unit 9Unit 9Unit 9When was it invented?When was it invented?Section A Period 2Section A Period 2 Pairwork(3a:P70)Helpful inventions:Helpful inventions:vacuum cleaner,vacuum cleaner,soundproof door and window,car,soundproof door and window,car,computer,fax machinecomputer,fax machine Annoying inventions:Annoying inventions:air-conditioner,air-conditioner,truck,telephone,junk food,ice creamtruck,telephone,junk food,ice cream 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/annoying?Do you think it is helpful/annoying?Dialogue 1:Dialogue 1:A A:What is this?:What is this?B B:It is an alarm clock.:It is an alarm clock.A A:What is it used for?:What is it used for?B B:It is used for waking people up in:It is used for waking people up in the morning.the morning.A A:Do you think it is annoying?:Do you think it is annoying?B B:Sometimes,when I want to go on:Sometimes,when I want to go on sleep.sleep.Dialogue 2:Dialogue 2:A A:What is this?:What is this?B B:It is a light bulb.:It is a light bulb.A A:What is it used for?:What is it used for?B B:It is used for giving light.:It is used for giving light.A A:Do you think it is helpful?:Do you think it is helpful?B B:Yes,I think so.Because I always do :Yes,I think so.Because I always do homework and read books in the homework and read books in the evening by its light.evening by its light.Dialogue 3:Dialogue 3:A A:What is this?:What is this?B B:It is a microwave oven.:It is a microwave oven.A A:What is it used for?:What is it used for?B B:It is used for heating cold food and:It is used for heating cold food and cooking meals.cooking meals.A A:Do you think it is helpful?:Do you think it is helpful?B B:Yes,I think so.Because my parents:Yes,I think so.Because my parents are very busy and I can use it to are very busy and I can use it to cook meals by myself.cook meals by myself.Dialogue 1:A:What do you think is the most helpful invention?B:I think the most helpful invention is the vacuum cleaner.Pairwork(4:P70)Pairwork(4:P70)A:Why is that?B:Well,it can help me clean the floor when mother asks me to do the cleaning.Dialogue 2:A:What do you think is the most annoying invention?B:I think the most annoying invention is the air-conditioner.A:Why is that?B:Well,I feel uncomfortable in the room with an air-conditioner.A:What do you think are the most annoying or helpful inventions?B:I think the truck is the most annoying invention and the soundproof door and window is the most helpful invention.Dialogue 3:soundproof door and windowA: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.Groupwork(4:P70)Groupwork(4:P70)What would you do if you are alone What would you do if you are alone on a tiny island?on a tiny island?A:Id like to have some matches because I could light 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: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:Thank you for listening!