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1、变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分1.Should we drop litter in the park?1.Should we drop litter in the park?2.Should we drop litter in the library?2.Should we drop litter in the library?3.Should we drop litter in the cinema?3.Should we drop litter in the cinema? Lets
2、think:Lets think:You can answer the questions like these:You can answer the questions like these: B.No,we mustnt.B.No,we mustnt.A.Yes,we should.A.Yes,we should. Save the earth, Our Only Home.保护地球，我们唯一的家Save the earth, Save the earth, o our ur o onlynly h home.ome.保护地球，我们唯一的家保护地球，我们唯一的家。变电站电气主接线是指变电站
3、的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 Unit 7 You mustnt Unit 7 You mustnt dropdrop litter in the park! litter in the park!第七单元第七单元 你禁止在公园里乱扔垃圾！你禁止在公园里乱扔垃圾！ must must 必须，一定必须，一定 情态动词，后接动词原形；其否定形式情态动词，后接动词原形；其否定形式mustntmustnt表示禁止。表示禁止。 drop litter drop litter 扔垃圾扔垃圾 drop drop 下降，落下下降
4、，落下 litter litter 垃圾垃圾 in the park in the park 在公园里（介词短语，表地点）在公园里（介词短语，表地点）变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Now look at the picture,and make sentences with the following wdrds. You must . You mustnt .drop litter jumpshout kickpick paintrun playeat talkwash climbsle
5、ep fishdrawridebouncein the parkin the libraryin the classroomat home变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分 in the park 在公园里 pick flowers 摘花 pick apples on the tree 摘树上的苹果 throw food at animals 向动物们投食物 stand and shout in the boat 站在船上喊叫 sit on the grass 坐在草地上 kick the t
6、ree 踢树 in the river 在河里 You mustnt throw food at animals. 禁止向动物投食物。 -There are some dolphins in the river. -Really?I cant see them.NewNew words and expressions words and expressions: :注：红色字体为考点注：红色字体为考点Listen to the recording,then repeat and translate.Listen to the recording,then repeat and translat
7、e.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Exercises: Exercises: 连词成句1.a standing on a parrot book is there_2.animals throw at food mustnt you_ 选择填空1.There _ a playground in our school. A.are C.am2.There _ three dogs _ in a big box. A.is,sleep C.are,sleep3.You mustnt _ lat
8、e for the meeting. A.are C.isThere is a parrot standing on a book.You nustnt throw food at animals.B.isB.are,sleeping B.beThe second lesson:变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Revision:There be 句型 There are + There are + 可数名词复数可数名词复数 There is + There is + 可数名词单数可数名词单数
9、/ /不可数名词不可数名词记忆口诀：记忆口诀： There be There be句型有特点，主语跟在句型有特点，主语跟在bebe后面。后面。 单数主语用单数主语用isis，复数用，复数用areare也不难。也不难。 多个主语并列时，多个主语并列时，bebe随第一主语变。随第一主语变。 否定否定bebe后加后加notnot，疑问，疑问bebe在在therethere前。前。 介词短语表地点，介词短语表地点，“有有”是是“存在存在”记心间。记心间。变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Part 9P
10、art 9：There is a hen standing on the ball.There is a frog sitting in the bag.There is a mouse hiding under the hat.There is a boy standing in the big cup.There is a monkey sitting on the big banana.There is a bear sitting on the mat.There is a cat sleeping on the bed.There are three bees flying arou
11、nd the flower.There are three mice sitting on the elephants trunk. （象鼻）There are two pandas sitting in the boat.There are four rabbits playing on the grass.There are two snakes climbing in the tree.There are some birds eating on the roof. There are some chicks standing in the box.考点：There is a parro
12、t standing on a book.There are two cats sleeping in a big shoes.变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分Part 5: park ducks follow two cats after two sheep behind two cows loudly happyThe third lesson:变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分1234Homework:变电站电气主接线是指变电站的变压器、输电线路怎样与电力系统相连接，从而完成输配电任务。变电站的主接线是电力系统接线组成中一个重要组成部分GOODBYE!