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1、Its a festival;Its the first day of a year;Its coming;-New Years Day第1页/共19页Its on the 12th of march;On that day,people always plant many trees.-Tree Planting/Arbor Day第2页/共19页Are trees important to us?第3页/共19页Compared with the last few years,the environment is getting worse.第4页/共19页第5页/共19页第6页/共19页
2、Now human beings are doingsomething bad to the nature.How many kinds of pollutiondo you know?第7页/共19页air pollution第8页/共19页noise pollution第9页/共19页water pollution第10页/共19页land pollution第11页/共19页Trees are very important in our dailylife.What can we get from trees?use-eat-drink-wear-pencils,chopsticks,t
3、ables,chairs,paperfruit,nutstea(leaves),coffee(beans)flowers,shoes(rubber)第12页/共19页Reading Reading Read the passage on page 79loudly(大声地)quickly(快地)clearly(清晰地)smoothly(流畅地)第13页/共19页Answer the following questions.1)What good are trees?2)What can we get from trees?3)Trees are natural air conditioners
4、,is it true or false?4)Can trees communicate with one another?Give an example.5)Are trees in danger?Why?第14页/共19页 Trees are important for us,they are the oldest and living things on earth.They make streets more beautiful and less noisy.When they are alive,they give us O2,when they are dead,we can ge
5、t wood from them and we can use wood to make furniture.Trees cool the air clean it.Now they are ,because people and burn them.There are less and less trees on earth.Our environment become worse and worse.If we do not protect trees,one day,there will be trees on earth but seed.big as well as wood dan
6、ger cut biggestwoodenas well ascut downdangerous第15页/共19页are important/useful,the oldest and biggest,we get.from treesmake streets more beautiful and less noisy,air conditioners,make the air clean and cool in danger/dangerous,because stop cutting down trees第16页/共19页From now onTry our best to make our city more beautifulI believe one dayThe sky will be more blueThe air will be fresherThe water will be more clearWe will be happier第17页/共19页第18页/共19页感谢您的观看！第19页/共19页