英语：Unit8 Save Our World lesson58课件(冀教版八年级下)

Lesson 58 Stop pollution

Learning aims :

1.Master the new words : less,least ,environment,throw away ,reusable ,waste,fix,toilet ,ta ke out . 2.Understand : leak ,leaky,litre,

Sink,tap ,recycle ,save pollute3.Learn to do the things we can do everyday to save our environment .

Compare :

big

bigger

biggest

small

smaller

smallest

little He has twenty yuan . He has a little money . less She has two yuan . She has less money than he . least I have two jiao . I have the least money of all.

a leaking tap

You can’t use the water that leaks out .

throwaway chopsticks

Listen read and talk :

Listen to the tape and the answer the questions below .

1.In North America, what do many students help their school do ? 2.What kind of club do they join ? 3. What things do the students in North America do ? 4. What does No-garbage lunch mean ? 5. What is No-car Day for ? 6. How much water does a leaking toilet waste in an hour ?

1.In North America, what do many students help their school do ? In North America,students help their schools make less pollution . 2.What kind of club do they join ? Why ? They join “environment clubs” to work together to make our environment clean . 3. What does No-garbage lunch mean? It means ,on that day , environment clubs encourage the students bring their lunches in reusable bags or dishes .And the classes that make the least pollution will get a prizes.

4. What is No-car Day for ? No-car Day means on that day ,people both students and teachers come to school on foot or by bike or just run or skip . 5. How much water does a leaking toilet waste in an hour? A leaking toilet can waste twenty to forty litres of water in an hour . 6.What things do the students in North America do They bring their lunches in reusable bags and dishes .They try to make the least pollution . They walk to school or ride a bike .

Reading aloud : Read the text and try to understand the meaning of the whole text . Pay attention the these phrases : 1. Swimming pool 游泳池

2.environment clubs

环保俱乐部

3.make less pollution 减少污染

4. make our environment clean 净化我们的环境5.take out 取走，取出，带走

6.encourage sb to do sth 鼓励某人做某事

Exercises : Write out comparatives and superlative .

1.little ______ _______ less least 2. Many/much ________ _______ more most funnier funniest 3.funny ________ _________ 4. full _______ ________ fuller fullest cleaner cleanest 5.clean _______ _______

more exactly the most exactly 6.exactly _____________ ______________7.gently more gently _______________ ____________ the more gently

more humous The most humous 8.humous ____________ ______________

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