Lesson 48: Garbage Is Interesting!Teaching Aims:Teaching Important Points and difficult Points:1.Build the belief to save our earth.2.Cultivate the feelings of responsibilities.1. Learn new vocabulary for describing materials and for comparing quantities.2. Learn common expressions for offering assistance.3. New words and phrases to compare quantities.New Wordsused dividepile seatlid tondutyWarming upHow do people do with the collected rubbish?Think About It !What kinds of things can be recycledand reused?Let’s Do It !Let’s Do It !Garbage is a big problem in the world, also in China! Discuss with your partner what we should pay attention to when we throw away rubbish. Try using these phrases:“In order to make less rubbish, we should ____.”Language Points2. There was less plastic than paper and more plastic than metal. more 是 much 的比较级; less 是 little 的比较级。 more than 意为“多于”; less than意为“少于”。 如:There were more people than I expected. 那里的人比我预料的要多。I have less juice than my brother's. 我的果汁比我弟弟的少。3. We throw garbage away. throw sth. away 相当于 throw sth. out 意为“扔掉”。 如:Don't throw away that book. 不要扔掉那本书 .ExercisesI. 根据所给首字母或汉语提示,完成单词。1. There is some l______ in the living room after the party.2. “Fix” and “mend” have the s______ meaning.3. My uncle's son is my c______.4. You _________ ( 吃惊 ) me a lot just now.5. They think most of the things can be________ ( 回收利用 ).recycleditterameousinsurprisedII. 用所给单词的适当形式填空。 1. The weather today is a lot ______ (bad) than that of yesterday.2. One of the cars ______ (be) UncleWang's.3. It makes the ______ (little) pollutionamong all types of transportation.4. They put the garbage into bags for_________ (recycle).5. It's not right ________ (laugh) at people in trouble.to laughworseisleastrecyclingIII. 句型转换,每空一词。1.Please throw away the broken wheel. ( 改为否定句 )______ ______ away the broken wheel.2. To help our parents do the housework is right. ( 改为同义句 )______ ______ right ______ ______ our parents do the housework.3. Linda has more books than the other two girls. ( 改为同义句 )Linda has the ______ books of the ______ girls.What wasIt is to helpmost three