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介词on、above、over的区分课件PPT
展开Teaching students: The students in grade five of primary school.Teaching aims: 1. Students can figure out the distinction of on,above ,over 2. Students can listen ,read ,speak and write the three prepositions Important and difficult points:Distinguish the differences betweeen three prepositions and choose correectly in the sentence..Let's watch a video!.Where is the penguin?on—在上面且有接触面Usage:Object A is above object B and they have contact surfaces.Definition:Used to indicate position and supported by or in contact with. The penguin is on the ice.above—在上方Definition:Used to indicate position higher than sthUsage:Object A is higher than B and they have no contact surfaces. The penguin is above the sea.The definition and usage of Definiton:Used to indicate position that something is higher than another thing and perpendicular to(垂直于) it.Usage:Object A is higher than B , they have no contact surfaces and A is perpendicluar to B. The penguin is over the trampoline.(蹦床)over—在上方且垂直 The penguin and a girl go to an amusement park to play.LinkingaboveoveronFirst Shotonoveraboveon :object A is above object B and they have contact surfaces(在上面,有接触面) over:object A is higher than B , they have no contact surfaces and A is perpendicluar to B.(在垂直正上方)above:object A is higher than B and they have no contact surfaces.(在上方,无接触面,无垂直关系),The penguin is in danger!You must save it by doing some exercise!The sun shines the earth.Tim is sitting with Alice a bench.There is a light the floor.Fill in the blankonaboveoveroveronaboveSecond ShotCongratulations!BCFinal ShotMemory!on是水平接触面over是指在垂直正上方above单纯指物在上方Thank You
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