牛津英语上海版八年级下册第一章教学课件.pptx
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1、A Guessing game:What am I?I have no color,smell or shape.My other name is O2.I am produced by green plants.I am around you.You breathe in me any time.oxygenA Guessing game:What am I?I have no color or smell.I can change into gas or water.I am very hard.You can see me in fridge.iceA Guessing game:Wha
2、t am I?I have no color,smell or shape.My other name is H2O.I can change into ice or gas.I come from the rivers,lakes and seas.You can see me every day.waterThree forms of substance(物质)oxygen -gasice -solid water -liquidEvery day people need me for drinking,Water is very important in peoples life.Eve
3、ry day people need me for drinking,washing,cooking and.How much do you know about water?Lets do a quiz about it.1.You could live without water for a few _.A.days B.weeks C.hours2.Your body needs about _ litres of water daily.=every day A.two B.eight C.four3.When you exercise,you need _ water.A.more
4、B.less C.the same4.When you freeze water,it becomes a _.A.liquid B.solid C.gas5.About _ of Earth is covered by water.A.one third B.two thirds C.one half6.The scientific symbol for water is _.A.H2O B.H2O2 C.HO2%12345Look at the picture and tell the class:Do you know the recycle of water?cloudmountain
5、 riverseastreamWater talkWater is more valuable than gold.Before you read the story,look at the title of the story and the picture,and then answer this question.Who are talking in the story?The girl and the drop of water.Read through the story quickly and answer:What did the water and Daisy talk abo
6、ut?A.They talked about what the water is.B.They talked about the waters journey(旅途旅途).C.They talked about what Daisy and Benny did in the bathroom.A.The water tells Daisy to turn the tap off,and she is surprised.B.Daisy tells Benny that she has talked to the water,and Benny thinks she is weird.C.Dai
7、sy is brushing her teeth with the tap on.D.The water tells Daisy about its long journey from a cloud in Yunnan and where it will go.It reminds(使使想起想起,提醒提醒)her not to waste or pollute water.P1P2-3P4-14P15-17Read the story and match the main idea with each part.VocabularyThe long journeytapsinkdrainpi
8、pesBacksewagesewage plantBackstreamreservoirwater treatment works This map shows the waters journey.Read the story and mark the names of different places on the map.cloudstreamDongjiang Riverreservoirwater treatment workssewage plantseaDaisys bathroomBackWhere?What did it do there?1 In Yunan2 mounta
9、in-Dongjiang River3 reservoir4 water treatment works125 under the street6 bathroom7 a sewage plant1 2 8 the seawill rise from the sea to the skyfloated comfortably in a clouddropped into a stream and sped downrelaxed for a few dayswas given a thorough cleaningwas added a few chemicalstraveled in the
10、 pipescame out of the tapwas cleaned upwas pumped into the river101 Why was the voice impatient?1 Why was the voice impatient?BecauseBecause Daisy was Daisy was wasting waterwasting water.2 Why did Daisy nod her head?2 Why did Daisy nod her head?BecauseBecause she she knewknew the Dongjiang River th
11、e Dongjiang River.3 Why did the water go to a treatment works?3 Why did the water go to a treatment works?BecauseBecause it it was dirty after itswas dirty after its journey.journey.4 Why did the water say,“I will be back in 4 Why did the water say,“I will be back in the sea again?the sea again?Beca
12、useBecause it it came fromcame from the sea the sea in the firstin the first place.place.5 Why did the water say it was like liquid 5 Why did the water say it was like liquid gold?gold?Because Because it believed that it believed that it was preciousit was precious.6 Why did Daisys brother think she
13、 was6 Why did Daisys brother think she was weird?weird?Because Because she said,she said,I was talking toI was talking to a drop of water.a drop of water.1.Water was pouring into the sink.2.The tap was on.3.The voice sounded angry.4.People cleaned me up.5.I waited there until you called me.6.People
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- 牛津 英语 上海 年级 下册 第一章 教学 课件
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