1、a1a2Now lets enjoy a video1.What did she do?2.Why did she do that?She apologised to the environment.Because we cause a lot of pollutiona3If the earth is in danger,we are in danger as well.Save our world！The situation is becoming very serious.a4a5china n.瓷瓷;瓷器瓷器bottle n.瓶瓶a6divide n.分开分开;分隔分隔a7policy
2、 n.政策政策;方针方针a8plastic n.塑料塑料adj.塑料的塑料的cloth n.布布;布料布料a9reuse v.再次使用再次使用;重复利用重复利用reduce v.减少减少;减低减低;缩小缩小recycling n.回收利用回收利用a10throw away 扔掉扔掉;丢弃丢弃a11ton n.吨吨tons of 许多许多,很多很多rubber n.橡胶橡胶a12grandson n.(外外)孙子孙子granddaughter n.(外外)孙女孙女a13rapid adj.快速的快速的;迅速的迅速的step n.步骤步骤;措施措施a14 Pass Challenges (闯关)a
3、15Task 2a16Scan the text and answera17Task1Scan the text and answer.1.What does“reduce”mean?A.use less B.use again C.use more 2.What does“reuse”mean?A.use less B.use again C.change things into others.3.What does“recycle”mean?A.throw things away.B.change something into something else.C.burn the old t
4、hings.A BBa18Read the suggestions.Look through the passage and check()which suggestions are mentioned in the passage.a194P99Read the suggestions.Look through the passage and check()which suggestions are mentioned in the passage.1.Order food that you can finish.2.Use less electricity at home.3.Learn
5、ways to recycle rubbish.4.Use paper cups and paper bags.5.Repair things.6.Divide rubbish into different groups.7.Collect waste or rubbish to raise money.8.Burn things to save money.Task 3a20Task 4a21Read part 1 and then choose the best answers.a22How to be green?1.“How green are you?”Here“green”mean
6、s _.having the color of grass or leavesB.covered with green grassC.environmentally friendlyD.make it clean How green are you?Do you care about protecting the environment and saving energy?TipTip小贴士小贴士No.1No.1：一些词汇的表面意义在不同的：一些词汇的表面意义在不同的语境下可有不同的语境下可有不同的引申含义。引申含义。可根据上下文猜测可根据上下文猜测。词义题词义题a23Read Part Tw
7、o and answer.a24 Reduce Reduce means“use less”.Do not waste things.It saves money and causes less pollution.Do not order more food than you can finish.Turn off the lights when you do not need them.Before you buy something new,think whether it is really necessary,because maybe the old one is just as
8、good!Read and answer:What is“reduce”?Why should we reduce?What should we do to reduce?Reduce means“use less”.pollutionIt saves money and causes lessa25Read Part Three and answer.a26Reuse means“use again”.Use things for as long as possible.Look after them so that they will last.Repair them if possibl
9、e.Do not throw them away and buy new ones.Do not use paper cups or paper bags.It is better to use china and cloth bags because they can be used many times.What is“reuse”?What should we do to reuse?Why is it better to use a china cup and a lunch box?Reuse a27Read Part Four and answer.a28Recycle What
10、is“reduce”?Why should we reduce?What should we do to reduce?Recycle means“change things into something else to be reused”.Although it takes energy to change things into something else,it is better than throwing things away or burning them.We throw tons of rubbish away each year,and we have to make a
11、 change.Divide your rubbish into plastic,glass,paper and rubber.Develop a recycling policy for the whole community.Buy products such as recycled paper to help save trees.a29Task 5Read the dialogue and find out the key points and difficult pointsa30tons of _扔掉扔掉;丢弃丢弃_3.重说重说;重新做重新做_4.再次使用再次使用;重复利用重复利用
12、_5.change into _6.采取措施采取措施_许多许多,很多很多throw awayrepeat前缀前缀“re-”,意思是意思是“再再,重复重复”reuse把把变成变成take stepsa31 Discussing and writinga32 Reasons Two things you should doTwo things you should not doWalk or ride a bike to school.Use china cups and cloth bags.Buy new clothes just because they are modern.Throw t
13、hings away without recycling.Walking or riding a bike doesnt burn oil or cause air pollution.China cups and cloth bags can be used many times.Old things can be as good as new ones.Its better to change things into something else than throwing them away or burning them.Task 65P99Find two things you sh
14、ould do and two things you should not do in the passage.Give reasons.Complete the table.For example:We should recycle rubbish because it can help us protect the environment.Use your answers to write sentences.a33a34How to be green?We all need a healthy environment.I think each of us can do a little
15、bit to help with the problem.In fact,even the simplest everyday activities can make a real difference to the environment.I believe we can make the world a better place to live in.writinga35tons of _扔掉扔掉;丢弃丢弃_3.重说重说;重新做重新做_4.再次使用再次使用;重复利用重复利用_5.change into _6.采取措施采取措施_许多许多,很多很多throw awayrepeat前缀前缀“re-”,意思是意思是“再再,重复重复”reuse把把变成变成take steps 总结回顾总结回顾本课时主要短语和句型本课时主要短语和句型a36
