九上U2T3SA

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,Unit 2 Topic 3,Would you like to be,a,greener,person?,Section A,Many chemical factories cause air pollution.,Air pollution is harmful to our health.,Many chemical factories,cause air pollution,and,air pollution is harmful to,our health,We must plant more tree.,There will be more desert.,We must plant more tree,or,there will,be more desert.,The girl is picking some garbage,.,Some people are throwing,garbage about.,The girl,is picking some garbage,but /while,some people,are throwing garbage,about.,The usage of conjunctions,-or,and,but or while,or,否则的话,表示选择关系,and,并且,而且，表示并列或动作,先后关系,but,但是,表示转折,while,而,然而 强调对比,（,but,和,while,强调对比时可互换）,Work alone,Join these sentences with or,and,but or,while,making some changes if necessary.,Our school is beautiful. Somebody pollutes it,sometimes.,Our school is beautiful,but,Somebody pollutes,it sometimes.,1a,listen carefully,and answer the following questions.,Whats,Jane,s main job?,What are the three Rs?,What kinds of things can we do at home,to protect the environment?,Her,main job is to help spread the message about protecting the environment.,R,educe, reuse and recycle,.,We should reduce the waste we produce.,（录音）,1,b.,Work alone,Fill in the blanks according to 1a.,1. The journalist is,_,Jane about,_,.,2. Janes main job is,_,_,3. We should use,_,and reuse,_,at home.,4. At school, students can collect waste paper,and,_,.,5. Recycling is an excellent way not only to,_,but also to,_,.,interviewing,environment protecttion,to help spread the message about protecting the environment.,both sides of paper,plastic bags,soft drink cans,protect the environment,save money,Useful expressions,We,all know that youre,working for,an organization that protects the environment.,We should use,both sides of,paper and,reuse plastic bags.,So we,encourage them to collect,waste,paper and soft drink cans.,Everyone,is supposed to,do that.,Acting,Look at the following pictures and sort the garbage the way you do every day.,Then listen to the conversation carefully and check () your answers.,Type of garbage,Recycled,Reused,Reduced,plastic bags,paper cups,cans,newspapers,glass bottles,（录音）,Project,What should we do to protect our school,environment? List your suggestion as,many as you can. The more you list, the,greener you are.you can use “should or,shouldnt”,Example :,We should turn off the lights when we,leave our classroom.,Do Section A in the workbook.,Homework,Goodbye !,