Unit 8 Save Our World.Lesson 45 Let’s Sort Garbage!

课件26张PPT。Let’s Sort Garbage!Lesson 45Unit 8Save Our World课文呈现知识讲解…………词汇 听写课堂导入课文1课堂小结课后作业…Lesson 45 Let’s Sort Garbage!课堂练习 同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！Look at the picture. When we throw away the garbage, we must sort it. Why??THINK ABOUT IT ·What do you do with your garbage? ·What kinds of things can be recycled and reused? Danny empties? two bags of garbage onto the floor. Jenny: That's a lot of garbage! Can I help you sort it? Danny: Yes, please. Let's put the glass here, the metal here, the plastic here and the paper here.(After they sort the garbage, Danny and Jenny are surprised. Almost all of it can be reused or recycled！? They need to throw away only one small bag of garbage！) Jenny: People throw too much? away. They shouldn't waste so much! Danny: That's right. Look！There is more paper than plastic. And there is less metal than plastic. There is the least amount of glass. Jenny: And the most amount is paper. It is a waste to use paper only on one side.Danny: Hey! I found a toy car. One of the wheels is broken. I'll take this car home and clean it. Then I'll use some glue to fix the broken wheel. When I finish fixing this car, I will give it to my little cousin, Debbie. Jenny: Nobody should throw away a toy like this. It can be fixed. It's not right to waste things. Look at all of the glass. It can all be recycled and made into new glass.Danny: A lot of glass is broken. It's dangerous to leave broken glass on the ground. Once, I cut my foot on a piece of broken glass. Jenny: Litter can hurt people！ empty/'empt?/v.把……弄空　adj.空的知识点1考向一empty可作动词，意为“把……倒空；把…… 掏空”。 eg：Can you empty the plates for me? 你能替我把盘子里的东西倒掉吗？考向二empty还可作形容词，意为“空的；空着的”。 其反义词为full，意为“满的”。 eg: I looked into the classroom but I found it empty. 我朝教室里看，但我发现里面空无一人。典例There is an _____(空的)bottle on the road. Everyone should be careful. (南京)empty魔法记忆一语辨异：Please empty the box. And it will be empty. 请清空箱子，那它就会是空的。 Almost all of it can be reused or recycled! 几乎所有的垃圾都可以再次使用或回收利用！知识点2考向一can be reused or recycled是含有情态动词的被动语态，带有情态动词的被动语态结构为：情态动词＋be＋过去分词。 eg：Your watch can be repaired.你的表能修。考向二含有情态动词的被动语态的否定句在情态动词后加not，变疑问句时把情态动词提前。 eg：He can not be found.找不到他了。 Must I be paid for this? 我肯定能得到赔偿吗？典例Teenagers _____ allowed to drive.(衡阳) A．should not be B．should be not C．not should be【点拨】含情态动词的被动语态的否定形式为：情态动词＋not＋be＋动词的过去分词。A too much太多知识点3考向一 辨析too much，much too和too many【易错点】典例 1—He's _____ the plan. —So am I. It costs _____ and we have no enough time. (黔东南) A．for；too much B．against；too much C．with；much too D．of；much too【点拨】句意：———他反对这个计划。— ... ...