1、http:/ 中小学课件站The earthhttp:/ 中小学课件站The airhttp:/ 中小学课件站The riverhttp:/ 中小学课件站The waterhttp:/ 中小学课件站The treeshttp:/ 中小学课件站http:/ 中小学课件站How to save our mother earth?http:/ 中小学课件站We should We shouldnt always drive cars.We should use bikes instead of cars.We shouldnthttp:/ 中小学课件站We should keep the air c
2、lean and fresh.http:/ 中小学课件站We should We shouldnt litter.We should keep the rivers clean.We shouldnthttp:/ 中小学课件站We should We shouldnt cut too many trees.We should plant more trees.We shouldnthttp:/ 中小学课件站We should We shouldnt waste water.We should save every drop of water.We shouldnthttp:/ 中小学课件站We
3、 should We shouldnt kill wild animals.We should protect wild animals.We shouldnthttp:/ 中小学课件站Choose should or shouldntuse bikes instead of cars.keep the rivers clean.kill wild animals.keep the air clean and fresh.litter.plant more trees.waste water.We should We should We shouldnt We should We should
4、nt We should We shouldnthttp:/ 中小学课件站Lets see what happened to the girl?Questions:1.What is the girl doing?She is washing her blouse.2.What does her mother say?She says we shouldnt waste water.http:/ 中小学课件站3.Why shouldnt we waste water?We need water.Everyone needs water.4.Is there enough water on the eath?No,there isnt.5.What should/must we do?We must save every drop of water.
