1、Unit 2 Repeat these three words daily: reduce, reuse and recycle.,Module 12 Save our world,Lets look at the following pictures.,Green,Do you walk or ride a bike to school?,Do you buy new clothes just because they are modern?,Do you turn off the lights when you leave the room?,Reduce,Do you take your
2、 own cloth bag when shopping and not ask for a plastic bag?,Do you use china cups?,Reuse,Do you buy drinks in bottles ?,And what do you do with (处理) the bottles when they are empty ?,Recyclable,Other waste,Do you divide the waste into things to recycle and things to throw away?,Recycle,Review,Read t
3、he words and expressions loudly.,chinadivideplasticpolicy,n. 瓷；瓷器 v. 分开 n. 塑料 adj. 塑料的 n. 政策；方针,new words,new words,reusebottlethrow awayrepeatreduce,v. 再次使用；重复利用 n. 瓶扔掉；丢弃 v. 重说；重新做 v. 减少；减低；缩小,new words,clothtontons ofrubberrecycling,n. 布；布料 n. 吨许多；很多 n. 橡胶 n. 回收利用,rapidstepgrandsongranddaughter,a
4、dj. 快速的；迅速的n. 步骤；措施n. (外)孙子n. (外)孙女,new words,next,请同学们在课后参照巴蜀英才英语P97的内容进行复习。,1.divide v.分开 divide指把一个整体分成若干部分，常与into连用，即divideinto“把分成”。,Lets divide ourselves into several groups.我们分成几个小组吧。,back,请同学们在课后参照巴蜀英才英语P97的内容进行复习。,2.reduce v.减少；减低；缩小 reduce指重量、程度、数目、范围、速度等减少或降低,The police are warning the dr
5、ivers to reduce speed because of the fog.由于有雾，警察告诫驾车者减慢速度。,back,【相关短语】reduce by表示减少的量，意为“减少了”；reduce to意为“减少到”。 【反义词】increase v.增加；增大,请同学们在课后参照巴蜀英才英语P98的内容进行复习。,3.cloth n.布；布料 cloth通常指各种服装的料子，主要用作不可数名词；但如果指有特殊用途的布(如抹布、擦桌布等)，则为可数名词，其复数形式为cloths。,She bought some cloth to make herself a dress. 她买了些布要给自
6、己做一件连衣裙。 Clean the windows with a soft cloth. 用块软布擦窗子。,back,【辨析】clothes意为“衣服”，是一个没有单数形式的复数名词，其前不可加不定冠词，也不加数词，但可用 few, these, those, many, some 等词修饰。,请同学们在课后参照巴蜀英才英语P98的内容进行复习。,4.rapid adj.快速的；迅速的rapid是正式用语，除了可指“动作的突然性或急速的动作”外，还可指一种有益的高速度。,The student is making rapid progress in his studies.这个学生学习上进步
7、很快。,back,请同学们在课后参照巴蜀英才英语P98的内容进行复习。,5.step n.步骤；措施 为可数名词。 【相关短语】 take steps “采取措施，采取步骤”，其同义词为take measures，后可接不定式to do sth.，表示“采取措施做某事”。, follow the steps“按照步骤”； step by step“逐步地”。 We must take steps/measures to protect the environment. 我们必须采取措施来保护环境。,back,Reading and vocabulary,1. Look at the pictu
8、res below and describe them. Say which ways are good for the environment and why.,These are some bowls and spoons made of china.,We shouldnt use disposable food box or disposable chopsticks.,good for the environment,We can use them many times.,There are three rubbish bins for recycling, so please di
9、vide the waste before you throw things into them.,Someone threw an empty bottle in a river.,good for the environment,We can save energy.,2. Look at the title of the passage. What suggestions do you think the passage will make? Use the words in the box to help you.,china divide necessary plastic poli
10、cy reuse,Possible answers: It is better to use china cups and bowls because they can be used many times.,How to be green,It is better to divide the waste into things to recycle and things to throw away. It is necessary to use less plastic bags. You should make a recycling policy for your classmates
11、and yourself. ,3. Read the passage and answer the questions in the first part.,How to be greenHow green are you? Answer these questions and find out.Do you walk or ride a bike to school?Do you buy new clothes just because they are modern?,Do you turn off the lights when you leave the room?Do you tak
12、e your own bag when shopping and not ask for a plastic bag?Do you buy drinks in bottles? And,what do you do with the bottles whey they are empty? Do you divide the waste into things to recycle and things to throw away?We all need a healthy environment, but we produce waste,every day, and it is harmf
13、ul to our environment. Repeat these three words daily: reduce, reuse and recycle.ReduceReduce 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, thin
14、k whether it is,really necessary, because maybe the old one is just as good!ReuseReuse means “use again”. Use things for as long as possible. Look after them so that they will last. Repair them if possible. Do,not throw them away and buy new ones. Do not use paper cups or paper bags. It is better to
15、 use china and cloth bags because they can be used many times.,RecycleRecycle 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
16、 have to make a 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.We cannot hope for rapid change, but lets take these simple steps today so that we will save the world for our
17、 grandsons and granddaughters tomorrow.,4. Check () the suggestions that are mentioned in the passage.,1. Order food that you can finish. 2. Use less electricity at home. 3. Learn ways to recycle rubbish. 4. Use paper cups and paper bags.,5. Repair things. 6. Divide rubbish into different groups. 7.
18、 Collect waste or rubbish to raise money. 8. Burn things to save money.,5. Find two things you should do and two things you should not do in the passage. Give reasons. Use your answers to write sentences.,For example: We should recycle rubbish because it can help us protect the environment.,Walk or
19、ride a bike to school.,Use china cups and cloth bags.,Walking or riding a bike doesnt burn oil or cause air pollution.,China cups and cloth bags can be used many times.,Buy new clothes just because they are modern.,Throw things away without recycling.,Old things can be as good as new ones.,Its bette
20、r to change things into something else than throwing them away or burning them.,6. Complete the passage with the correct form of the words in the box.,We throw away (1) _ of rubbish every year. If we want a clean world for our grandsons and (2) _, we have to,divide granddaughter plastic policy rapid
21、 recycle repeat step ton,tons,granddaughters,reduce, reuse and (3) _. (4) _ these three words every day. The first (5) _ is to use less. The second is to use things as long as possible. Then (6) _ your rubbish into (7),recycle,Repeat,step,divide,_, paper, rubber and glass. Finally, draw up a recycli
22、ng (8) _ for your community. We cannot hope for (9) _ change, but every little bit helps!,plastic,policy,rapid,writing,7. Work in pairs. Make a list of things you can do to make your school greener.,* Dont throw bottles away. * Write or print on both sides of the paper. * Bring your own chopsticks f
23、rom home and reuse them.,* Dont use disposable cups or plates, either. * Put paper, plastic, glass and metal in the recycling bins.,8. Write a passage on how to make your school greener and give reasons. Use the list you have made in Activity 7 to help you. Use because, so and so that.,Dont throw bo
24、ttles away because it is a better to recycle them.,Help Make a Green School!We can do many things to make our school green. Remember the three most important words: reduce, reuse and recycle!,Possible answer:,ReduceMany people waste paper because paper is cheap. But we should use less paper so that
25、we can save trees. Make sure you write or point on both sides of the paper so that nothing is wasted. This simple tip will cut your paper usage in half!,ReuseMany people like disposable cutlery because they dont have to wash up. But these things arent green. Bring your own chopsticks from home and r
26、euse them. Dont use disposable cups or plates either.,RecycleWe all eat and drink at school every day, so there are plenty of wrappers, bottles and cans to dispose of. But dont just throw your bottles, wrappers and cans in the rubbish bin support the,schools recycling programme! Put paper, plastic,
27、glass and metal in the recycling bins.Follow these steps and well all have a green school!,短语荟萃,1.turn off关掉(机器、水、电等) 2.ask for请求；要求 3.do with处理；处置；对付 What do you do with the waste paper? = How do you deal with the waste paper? 你是怎么处理废纸的？,短语荟萃,4.divide into把分为/分成 5.throw away扔掉；丢弃 throw away是“动词+副词”
28、结构的短语，当所接的宾语是代词时，须放在动词和副词之间。,He threw away the broken glass. 他把碎玻璃扔掉了。 The food is bad. Throw it away. 食物坏了，扔掉吧。,短语荟萃,短语荟萃,6.be harmful to对有害 同义短语为do harm to。其中的harmful为形容词，意为“有害的”；harm为名词，意为“伤害；损害”。 Smoking is harmful to us. =Smoking does harm to us. 吸烟对我们有害。,短语荟萃,7.look after照料；看管 8.so that因此； 以至于
29、； 以便 9.change into 把变成 10.tons of许多；很多 11.make a change作出改变 12.develop a recycling policy制定一个再循环方案,短语荟萃,13.hope for希望；期盼 Everyone hopes for a great future. 每个人都希望有美好的未来。 14.take steps采取措施 15.draw up草拟；拟定（P99）,语法聚焦（参照巴蜀英才p99内容。）,构词法 在一些原生词的基础上按照一定的语言规律创造新词的方法，称为构词法。常见的构词法有合成法、派生法和转化法。,语法聚焦（参照巴蜀英才p99内
30、容。）,1.合成构词法：由两个或两个以上的单词合成的词叫合成词。这种构成新词的方法叫合成法。这种方法比较灵活，可以合成名词、形容词、动词、代词、副词等。,语法聚焦（参照巴蜀英才p100内容。）,如：blackboard，basketball，homework等为合成名词；warm-hearted，middleaged ，manmade等为合成形容词；,oversleep，download等为合成动词；everyone，somebody等为合成代词；maybe，however，upstairs，sometimes等为合成副词。,语法聚焦（参照巴蜀英才p100内容。）,【注意】“数词+名词（+形容
31、词）”结构合成的形容词，各词之间需要加连字符，且其中的名词总是用单数形式。如：fivemetrelong(5米长的）；sixyearold（六岁的）等。,语法聚焦（参照巴蜀英才p100内容。）,2.派生构词法：又叫词缀构词法，即在一个单词的前面或后面加上词缀构成新的单词的方法。 我们已经学过的常见词缀有：,语法聚焦（参照巴蜀英才p100内容。）,(1)前缀 re含有“再；重复”之意： re+usereuse重新使用 re+cyclerecycle再利用,un含有“不；无”之意，表示否定，构成反义词： un+usualunusual不寻常的 un+happyunhappy不高兴的,语法聚焦（参照
32、巴蜀英才p100内容。）,语法聚焦（参照巴蜀英才p100内容。）,dis含有“不；非”之意，表示否定，构成反义词： dis+likedislike不喜欢 dis+advantagedisadvantage不利条件,语法聚焦（参照巴蜀英才p100内容。）,(2)后缀 ful加在名词后构成形容词，表示“有性质的”： help+fulhelpful有帮助的 hope+fulhopeful有希望的,语法聚焦（参照巴蜀英才p100内容。）,less加在名词后构成形容词，表示“无的”： hope+lesshopeless没有希望的 home+lesshomeless无家可归的,语法聚焦（参照巴蜀英才p10
33、0内容。）,able加在动词后，构成形容词，表示“能的”： enjoy+ableenjoyable令人愉快的 reuse+ablereusable可再次使用的,语法聚焦（参照巴蜀英才p100内容。）,3.转化构词法：把一个单词从一种词类转化成为另一种词类的方法。主要有动词转化成名词、名词转化成动词、形容词转化成名词等。,请同学们完成巴蜀英才英语九年级上，P97-P100 Unit 2 的相应练习。,请同学们在课后参照巴蜀英才英语P99的内容进行复习。,Do you take your own bag when shopping and not ask for a plastic bag? 你们
34、购物时是自己带着袋子，而不要塑料袋吗？,句中的when shopping为“when you are shopping”的省略。在时间、地点、条件等状语从句中，如果从句的主语与主句的主语一致，或从句的主语是形式主语it，,并且从句的谓语中有be动词，则从句可省略主语与be动词，构成省略句，即采用“引导词+doing/done”的结构来替代状语从句。,When (we are) doing the exam, we should be careful. 考试时，我们应当细心。 Please point out my mistakes if (it is) possible. 如果可能的话，请指出我的错误。,back,
