ProtecttheEarth-教学课件(第一课时).pptx

1、Unit 7Protect the Earth第一课时ProtecttheEarth_ppt教学课件(第一课时)ProtecttheEarth_ppt教学课件(第一课时)IntroduceWe should use/we should not use We should reuse Words动词,表示“保护”。现在分词为protecting,过去式为protected常用短语：protect the earth 保护地球eg：We should protect the environment。我们应该保护环境。小练习：The boy always_(protect)his sister.pr

2、otectsprotect/prtekt/Words形容词,表示“有用的”;同义词为helpful。常用短语：be useful for对有用eg：There is a very useful piece of advice.这是一条非常有用的建议。小练习：I think this reference book is very_(use).usefuluseful/jusfl/Words名词,表示“地球”。常用短语：on Earth 在地球上eg：There is life only on Earth.只有地球上有生命。小练习：地球上没有太多的煤炭和石油。_ There isnt much o

3、il or coal on Earth.Earth/Words动词,表示“节约”;第三人称单数为saves,现在分词为saving,过去式为saved。常用短语：save money 省钱eg：Its time for us to save energy.我们应该开始节约能源了。小练习：_(save)water is so important that everyone should try their best.Savingsave/sev/Words动词,表示“浪费”;现在分词为wasting,过去式为wasted。常用短语：Industrial waste 工业废料eg：Look!She

4、 is wasting water.Go and tell her to turn off the tap.看！她正在浪费水。去告诉她把水龙头关掉。小练习：Sarah_（waste）water every day.wasteswaste/west/Words形容词,表示“很多”;比较级为more;最高级为most常用短语：too much太多 how much多少多少钱eg：He has too much money so he donates some to the poor.他有太多的钱所以捐了一些给穷人。小练习:()There is not _ oil or coal on Earth.

5、A.much B.most C.manyAmuch/mt/Words动词,表示“再利用”;第三人称单数为：reuses现在分词为：reusing,过去式为：reused常用短语：reuse water再利用水eg：We should reuse the water.我们应该再利用这些水。小练习：In the past,we often _(reuse)water.reusedreuse/rijuz/Words名词,表示“能源”;常用短语：solar energy 太阳能 new energy 新能源eg：Nowadays,people use solar energy a lot.如今,人们大

6、量使用太阳能。小练习:()Most of our _ comes from coal and oil.A.energies B.energys C.energyCenergy/end/Words名词,表示“煤炭”;常用短语：coal store 煤店eg：There is less and less coal in the world.世界上煤炭资源越来越少了。小练习:People consume a lot of _(coal)in winter.coalcoal/kl/Words名词,表示“石油”;不可数。常用短语：Olive Oil 橄榄油eg：Cars consume a lot of

7、 oil.汽车消耗大量的石油。小练习:石油对我们的生活非常重要。_Oil is very important for our life.oil/l/Words动词,表示“开车、驾驶”;第三人称单数：drives现在分词：driving;过去式：drove常用短语：drive a car 开车 drive away 把赶走;开走eg：He can drive very well.他开车技术很好。小练习:（）She shouldnt _ so much.A.drove B.drives C.driveCdrive/drav/Words名词,表示“木头、木材”;常用短语：Wood flooring

8、木地板eg：This table is made of wood.这张桌子是木头制成的。小练习:They are playing in the woods._他们在树林里玩耍。wood/wd/Words名词,表示“塑料”;常用短语：plastic deformation 塑性变形;塑性形变eg：Plastic is a useful material in life.塑料是生活中一种很有用的材料。小练习:We use plastic to make bags._我们用塑料制作袋子。plastic/plstk/Words名词,表示“玻璃”;常用短语：glass bottle 玻璃瓶eg：This

9、 window needs more glass.这扇窗户需要更多的玻璃。小练习:He took off his (glass).glassesglass/gls/Words名词,表示“大部分”;常用短语：most of the time 大部分时间eg：In spring，its warm most of the time.在春天,大部分时间都是暖和的。小练习:_(much)of the air is polluted nowadays.Mostmost/mst/Words形容词,表示“其他的”;常用短语：each other 彼此,互相 some other students 其他的一些学

10、生eg：He mixes well with other children in the school.他在学校里与其他孩子能很好相处。小练习:他们互相不喜欢。_They dislike each other.other/Expressionsmost of 表示“大多数”,后接可数名词或不可数名词均可。其作主语时,be 动词或谓语动词的形式由介词of后面的名词来决定。Most of our energy comes from coal and oil.我们大部分的能源来自煤炭和石油。eg：Most of the trees are cut down.大部分树木都被砍伐了。小练习:（）_ of

11、 time is wasted by him.A.much B.most C.manyBExpressions（1）because的用法We should not drive so much because cars use a lot of energy.我们不应该经常开车,因为汽车耗用大量的能源。eg:I want to go home because I am hungry.我想回家,因为我饿了。because表示“因为”,后面跟一个从句。它表示必然的因果关系,语气较强;通常放在主句之后,若需强调则放在主句之前。Expressions（2）so much 的用法小练习:trees,air

12、,because,can,the,keep,clean(.)_ Because trees can keep the air clean.so much在这里作为程度副词来用,表示“如此多”的意思,so用来修饰much,用来强调程度之大。Expressionseg:I love watching films so much.我如此喜欢看电影。小练习:There is so （much/many）rubbish in the world now.muchso many 也作为形容词性词组来使用;表示“如此多的”,后面加可数名词复数。eg:There are so many people in t

13、he cinema today.今天电影院人真多。Expressions（1）too much 的用法We use plastic to make bags and bottles,but too much plastic is bad for the Earth.我们用塑料做袋子和瓶子,但太多的塑料对地球有害。eg：She always uses too much water to wash clothes.她总是用太多的水来洗衣服。句中too much的意思是“太多”,后接不可数名词.too用来修饰much,表示程度之大。Expressions（2）be bad for的用法小练习:（）T

14、here is not _ water in Africa.A.too many B.too much C.very B句中be bad for 的意思是“对有坏处”。eg:Junk food is bad for health.垃圾食品有害健康。小练习：（）Cutting too many trees is bad _ the Earth.A.to B.from C.for CExpressions句中too many的意思是“太多”,后接可数名词的复数形式.too用来修饰many,强调程度之大。We should not use too many plastic bags or bottl

15、es.我们不应该使用太多的塑料袋和塑料瓶。eg：I have too many questions but I dont know how to express.我有太多的问题但却不知道怎么表达。小练习:They have too （much/many）restrictions（限制）.manyDialogues Group work：put forward a slogan of protection，each group choose a small theme of this unit.Using:Why should we?We should/shouldnt.Expand(1)ano

16、ther的确指的是“三者或以上中的另外一个”,修饰名词单数。固定结构：another+基数词+名词复数=基数词+more+名词复数,其意思是“另外/再多少个.”。another/else 的区别eg：another six apples=six more apples 再（想要）六个苹果another two books=two more books 还（需要）两本书Expand(2)else 是个副词,表示“另外”、“其它”的意思。another/else 的区别eg:Would you like something else to drink?你还要喝点别的什么吗？We went to t

17、he park and nowhere else.我们到公园去了,其它什么地方也没去。Summaryprotect useful Earth save waste much reuse energy coal oil drive wood plastic glass most otherSummarymost ofbecause so manytoo much be bad fortoo manyExercise()1.There are trees in the park.A.much B.a lot C.many()2.We reuse and saver water.A.cant B.s

18、hould C.shouldntCBExercise()3.There is not coal on the Earth.A.a B.many C.much()4.We often use to make desks and chairs.A.water B.plastic C.woodCCExercise()5.We shouldnt use plastic bags.A.too many B.too much C.so much()6.use too much plastic.A.Not B.Dont C.CantABHomeworkDesign the story framework a

19、lone and retell the article according to the key words.1、知道我们经济在改革开放以来取得巨大发展，理解改革开放是强国之路、富民之路。2、了解我国的经济制度，充分认识市场在资源配置中在决定作用。3、任何组织和个人都不能凌驾于宪法之上，一切违反宪法的行为，都必须予以追究4、认识到改革开放不仅改变了中国，也深刻影响了世界。5、了解校史发展变化，思考为什么学校面貌会发生如此大的改变？6、通过了解商品市场、技术市场、人才市场等，分析市场在我们经济发展中的作用。7、通过我国在科技、教育、文化等各方面的变化体会改革开放的强国之路是富民之路。8 8、宪法具有最高法律效力，任何违反宪法的行为都应受到刑罚处罚宪法具有最高法律效力，任何违反宪法的行为都应受到刑罚处罚