Unit8 Save Our WorldLesson 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.Warm upLook at some picturesThink About ItDo you think garbage is interesting?What have you done in a schoolyard clean-up?PresentationRead and fill in the blanksWhenWhat On Tueaday_ and picked up the garbage_went for a walk and found a _ toyOn Wednesday_ the garbage and _ the garbage _ differentToday_ a car _ garbage_go on a class trip to _cleaned upLater on Tuesdayusedsortedintomadeout ofLater this monththe city recycling centredividedRetellOn Tuesday(clean up,pick up)Later that day(go for a walk,pick up)On Wednesday(sort,divide.into.)Today(made.out of.)Later this month(go on a trip)The teacher asked Jenny to make a report about garbage.If you were Jenny,how would you make the report?Lets Do It!1.Read the lesson and fill in the table.This weekOn TuesdayLater on TuesdayOn WednesdayTodayLater this mothWe learned about pollution.Danny,Brian and I cleaned up the schoolyard.All of our classmates helped.Danny made a car out of garbage.Lets Do It!2.Complete the dialogues using the phrases in brackets.1.A:The schoolyard is dirty.(clean up)B:_2.A:There is too much garbage.(pick up)B:_3.A:What a sunny day!(go for a walk)B:_4.A:Its cold outside!(put on)B:_Lets clean up together.Shall we pick it up?How about going for a walk?Put on your coat.Task 1Make a posterabout how todivide the garbage.Task 2Introduce some interesting made by garbage.Task 3 Make a report about how to prevent garbage from polluting our environment.Group workLanguage Points1What have you done in a schoolyard clean-up?【點(diǎn)撥】clean-up 清掃，清除，清理【辨析】clean-up 為名詞，clean up為動(dòng)詞詞組，意為“清掃；清理”?！纠縄m going to have a good clean-up today.我今天要好好打掃一番。Its your turn to clean the bedroom up.輪到你清掃臥室了。2Danny found a used toy car with one broken wheel.【點(diǎn)撥】used 用過的；舊的；二手的【例】They bought a used car.他們買了一輛舊車。3Today,Danny made a car out of garbage!【點(diǎn)撥】madeout of用制成 其中，make后是成品，out of后是材料名稱。用于被動(dòng)語態(tài)時(shí)，相當(dāng)于be made of或be made from?！纠縏he desk is made out of wood.=The desk is made of wood.這樣課桌是木制的。I.根據(jù)所給首字母或漢語提示，完成單詞。1.There is some l_ in the living room after the party.2.“Fix”and “mend”have the s_ meaning.3.My uncles son is my c_.4.You _(吃驚)me a lot just now.5.They think most of the things can be_(回收利用).recycleditterameousinsurprisedExerciseII.用所給單詞的適當(dāng)形式填空。1.The weather today is a lot _(bad)than that of yesterday.2.One of the cars _(be)Uncle Wangs.3.It makes the _(little)pollution among all types of transportation.4.They put the garbage into bags for_(recycle).5.Its not right _(laugh)at people in trouble.to laughworseisleastrecyclingIII.句型轉(zhuǎn)換，每空一詞。1.Please throw away the broken wheel.(改為否定句)_ _ away the broken wheel.2.To help our parents do the housework is right.(改為同義句)_ _ right _ _ our parents do the housework.3.Linda has more books than the other two girls.(改為同義句)Linda has the _ books of the _ girls.What wasIt is to helpmost three1.Finish exercises of Lesson 48.2.Remember new words and sentences in this unit.Homework