Unit7ProtecttheEarthIntroduceWeshoulduse/weshouldnotuse…Weshouldreuse…Words动词,表示“保护”。现在分词为protecting,过去式为protected常用短语:protecttheearth保护地球eg:Weshouldprotecttheenvironment。我们应该保护环境。小练习:Theboyalways_________(protect)hissister.protectsprotect/prə'tekt/Words形容词,表示“有用的”;同义词为helpful。常用短语:beusefulfor对……有用eg:Thereisaveryusefulpieceofadvice.这是一条非常有用的建议。小练习:Ithinkthisreferencebookisvery____(use).usefuluseful/'juːsfʊl/Words名词,表示“地球”。常用短语:onEarth在地球上eg:ThereislifeonlyonEarth.只有地球上有生命。小练习:地球上没有太多的煤炭和石油。______________________________Thereisn’tmuchoilorcoalonEarth.Earth/ɜːθ/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:savemoney省钱eg:It’stimeforustosaveenergy.我们应该开始节约能源了。小练习:_______(save)waterissoimportantthateveryoneshouldtrytheirbest.Savingsave/seɪv/Words动词,表示“浪费”;现在分词为wasting,过去式为wasted。常用短语:Industrialwaste工业废料eg:Look!Sheiswastingwater.Goandtellhertoturnoffthetap.看!她正在浪费水。去告诉她把水龙头关掉。小练习:Sarah_______(waste)watereveryday.wasteswaste/weɪst/Words形容词,表示“很多”;比较级为more;最高级为most常用短语:toomuch太多howmuch多少多少钱eg:Hehastoomuchmoneysohedonatessometothepoor.他有太多的钱所以捐了一些给穷人。小练习:()Thereisnot_____oilorcoalonEarth.A.muchB.mostC.manyAmuch/mʌtʃ/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:reusewater再利用水eg:Weshouldreusethewater.我们应该再利用这些水。小练习:Inthepast,weoften______(reuse)water.reusedreuse/riː'juːz/Words名词,表示“能源”;常用短语:solarenergy太阳能newenergy新能源eg:Nowadays,peopleusesolarenergyalot.如今,人们大量使用太阳能。小练习:()Mostofour____comesfromcoalandoil.A.energiesB.energysC.energyCenergy/'enədʒɪ/Words名词,表示“煤炭”;常用短语:coalstore煤店eg:Thereislessandlesscoalintheworld.世界上煤炭资源越来越少了。小练习:Peopleconsumealotof______(coal)inwinter.coalcoal/kəʊl/Words名词,表示“石油”;不可数。常用短语:OliveOil橄榄油eg:Carsconsumealotofoil.汽车消耗大量的石油。小练习:石油对我们的生活非常重要。___________________________Oilisveryimportantforourlife.oil/ɒɪl/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:driveacar开车driveaway把……赶走;开走eg:Hecandriveverywell.他开车技术很好。小练习:()Sheshouldn’t_________somuch.A.droveB.drivesC.driveCdrive/draɪv/Words名词,表示“木头、木材”;常用短语:Woodflooring木地板eg:Thistableismadeofwood.这张桌子是木头制成的。小练习:Theyareplayinginthewoods.___________________________________________他们在树林里玩耍。wood/wʊd/Words名词,表示“塑料”;常用短语:plasticdeformation塑性变形;塑性形变eg:Plasticisausefulmaterialinlife.塑料是生活中一种很有用的材料。小练习:Weuseplastictomakebags.___________________________________________我们用塑料制作袋子。plastic/'plæstɪk/Words名词,表示“玻璃”;常用短语:glassbottle玻璃瓶eg:Thiswindowneedsmoreglass.这扇窗户需要更多的玻璃。小练习:Hetookoffhis(glass).glassesglass/glɑːs/Words名词,表示“大部分”;常用短语:mostofthetime大部分时间eg:Inspring,it’swarmmostofthetime.在春天,大部分时间都是暖和的。小练习:____________(much)oftheairispollutednowadays.Mostmost/məʊst/Words形容词,表示“其他的”;常用短语:eachother彼此,互相someotherstudents其他的一些学生eg:Hemixeswellwithotherchildrenintheschool.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。_________________________Theydislikeeachother.other/'ʌðə/Expressionsmostof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。Mostofourenergycomesfromcoalandoil.我们大部分的能源来自煤炭和石油。eg:Mostofthetreesarecutdown.大部分树木都被砍伐了。小练习:()_____oftimeiswastedbyhim.A.muchB.mostC.manyBExpressions(1)because的用法Weshouldnotdrivesomuchbecausecarsusealotofenergy.我们不应该经常开车,因为汽车耗用大量的能源。eg:IwanttogohomebecauseIamhungry.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)somuch的用法小练习:trees,air,because,can,the,keep,clean(.)_______________________________________Becausetreescankeeptheairclean.somuch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:Ilovewatchingfilmssomuch.我如此喜欢看电影。小练习:Thereisso(much/many)rubbishintheworldnow.muchsomany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:Therearesomanypeopleinthecinematoday.今天电影院人真多。Expressions(1)toomuch的用法Weuseplastictomakebagsandbottles,buttoomuchplasticisbadfortheEarth.我们用塑料做袋子和瓶子,但太多的塑料对地球有害。eg:Shealwaysusestoomuchwatertowashclothes.她总是用太多的水来洗衣服。句中toomuch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)bebadfor的用法小练习:()Thereisnot_________waterinAfrica.A.toomanyB.toomuchC.veryB句中bebadfor的意思是“对……有坏处”。eg:Junkfoodisbadforhealth.垃圾食品有害健康。小练习:()Cuttingtoomanytreesisbad___theEarth.A.toB.fromC.forCExpressions句中toomany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。Weshouldnotusetoomanyplasticbagsorbottles.我们不应该使用太多的塑料袋和塑料瓶。eg:IhavetoomanyquestionsbutIdon’tknowhowtoexpress.我有太多的问题但却不知道怎么表达。小练习:Theyhavetoo(much/many)restrictions(限制).manyDialoguesGroupwork:putforwardasloganofprotection,eachgroupchooseasmallthemeofthisunit.Using:Whyshouldwe…?Weshould/shouldn’t..Expand(1)another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:anothersixapples=sixmoreapples再(想要)六个苹果anothertwobooks=twomorebooks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:Wouldyoulikesomethingelsetodrink?你还要喝点别的什么吗?Wewenttotheparkandnowhereelse.我们到公园去了,其它什么地方也没去。SummaryprotectusefulEarthsavewastemuchreuseenergycoaloildrivewoodplasticglassmostotherSummarymostofbecausesomanytoomuchbebadfor···toomanyExercise()1.Therearetreesinthepark.A.muchB.alotC.many()2.Wereuseandsaverwater.A.can’tB.shouldC.shouldn’tCBExercise()3.ThereisnotcoalontheEarth.A.aB.manyC.much()4.Weoftenusetomakedesksandchairs.A.waterB.pl