外研版高中英语必修二 （Earth first）SectionC 教学课件

SectionCDevelopingideas&Presentingideas

&ReflectionUnit

6Earth

first

外研版高中英语必修二ⅠⅡⅢⅠ.知识体系图解

devicemodeelectricityleakremoveplugcampaignurgecanteenconcerned

contributeaveragemajorityfalseamountⅠⅡⅢ关上大部分的……采取步骤把……误认为是……坏了;出毛病了待机模式常识把……考虑在内尽可能地淋浴号召ⅠⅡⅢⅡ.释义匹配1.leak

A.tostronglysuggestthatsomeonedoessomething2.remove B.toescapefromaholeorcrackinapipeorcontainer3.urge C.involvedinsomethingoraffectedbyit4.concerned D.aparticularwayorstyleofbehaving,livingordoingsomething5.mode E.totakesomethingawayfrom,outof,orofftheplacewhereitis答案:1.B

2.E

3.A

4.C

5.DⅠⅡⅢⅢ.介词填空1.Hespokeforoneandahalfhoursandbarelypaused_______

breath.

2.Heprecededhisspeech

welcometotheguests.

3.Youcanborrowmycameraifyoupromisetotakecare

it.

4.Ididn’trecognizehervoiceandmistookher

Jenny.

5.Thedambroke

andasaresultthelandwasflooded.

forwithoffordown重点词汇重点句式高分写作随堂练习1.majority

n.多数,大多数【课文原句】Mostofusareawarethatwemusttakecareoftheenvironment,andthemajorityofustakestepstosaveenergyandreducewasteandpollution.我们大多数人都意识到,我们必须爱护环境,大多数人都采取措施节约能源,减少浪费和污染。【词汇精讲】majority是名词,意为“多数,大多数”。Themajorityofthemtakeanonlinelanguagetestbeforestartingtheirprogramme.他们中的大多数在开始这个课程前参加网上语言测试。Onlyaminorityofpeopleinthatcitydonothaveacarwhilethepeopletakingsubwaytoworkareinthe/amajority.在那个城市只有少数人没有汽车,但是乘坐地铁上班的人却占了大多数。重点词汇重点句式高分写作随堂练习【词汇拓展】

重点词汇重点句式高分写作随堂练习Ithinkthatisoneofthemajorfactorsinhissuccess.我认为那是他成功的主要因素之一。I’vemadeupmymindtomajorinEnglishafterIfinishmiddleschool.我决定中学毕业后主修英语。Mybestfriend,Tom,isaphysicsmajor.我最好的朋友——汤姆——学的是物理专业。【温馨提示】“the

majority

of+复数名词”用作主语时,谓语动词常用复数;“the

majority

of+不可数名词”用作主语时,谓语动词用单数;“a

majority

of+复数名词”用作主语时,谓语动词通常用复数。重点词汇重点句式高分写作随堂练习

重点词汇重点句式高分写作随堂练习2.amount

n.数量,数额【课文原句】However,makingapaperbagusesfourtimesasmuchenergyasmakingaplasticbaganduptothreetimestheamountofwater.然而,制造一个纸袋所需的能量是制造一个塑料袋的四倍,所需的水是制造一个塑料袋的三倍。【词汇精讲】amount是名词,意为“数量,数额,金额”。Theinsurancecompanywillreturnanyamountduetoyou.保险公司将退还你应得的所有款项。Heneedsthatamountofmoneytosurvive.他需要那样一笔钱以生存下去。重点词汇重点句式高分写作随堂练习【词汇拓展】Althoughthejobtakesasignificantamountoftime,moststudentsagreethattheexperienceisworthit.虽然这份工作要花大量的时间,但大多数学生都同意这次经历是值得的。Lotsofstudentsinourclassspendalargeamountoftimedoinghomework.我们班很多同学花费大量时间来做家庭作业,重点词汇重点句式高分写作随堂练习【温馨提示】

“a

huge

amount

of+不可数名词”作主语时,谓语动词用单数;“huge

amounts

of+不可数名词”作主语时,谓语动词用复数。A

huge

amount

of

money

was

spent

on

the

new

bridge

last

year.=Huge

amounts

of

money

were

spent

on

the

new

bridge

last

year.去年建这座新桥花了很多钱。重点词汇重点句式高分写作随堂练习

重点词汇重点句式高分写作随堂练习3.remove

v.移走,搬走,去掉【课文原句】Tomakesureyourapplianceisinfactoff,removetheplugfromitspowersupply.为了确保你的电器实际上是关闭的,把插头从电源上拔下来。【词汇精讲】remove是及物动词,意为“移走,搬走,去掉”。TheantelopepopulationhasrecoveredandinJune2015,theTibetanantelopewasremovedfromtheendangeredspecieslist.藏羚羊的数量已经恢复,2015年6月,藏羚羊从濒危物种名单中除名。Referencebooksmaynotberemovedfromthelibrary.参考书不能被带出图书馆。Sheremovedherjacketandhungituponthehook.她脱掉外套挂在衣钩上。重点词汇重点句式高分写作随堂练习【词汇拓展】Becauseofthenoise,thefamilydecidedtoremovefromthecitytothecountryside.由于噪音,这家人决定从城市搬到乡村。Beforetheexamination,theschoolorganizedsomerelaxedactivitiestoremovefearsandanxietyfromstudents’minds.考试前学校组织了一些轻松的活动来消除学生心里的害怕和焦虑。重点词汇重点句式高分写作随堂练习

重点词汇重点句式高分写作随堂练习4.concerned

adj.焦急的,担忧的【课文原句】Weareconcernedthat...我们担心……【词汇精讲】concerned是形容词,意为“焦急的,担心的;关注的;相关的”,concern作动词,意为“涉及;让……担忧”。ManyparentsareconcernedthatsomeTVprogramswillhaveabadinfluenceonthedevelopmentoftheirchildren.许多家长担心一些电视节目会对孩子的成长有不良影响。Ihopethedepartmentconcernedwilldealwiththematterimmediately.我希望有关部门会立即处理这件事情。Whatconcernsmeisourlackofpreparationforthechange.让我担心的是我们对事态的变化缺乏准备。重点词汇重点句式高分写作随堂练习【词汇拓展】Sheisdeeplyconcerned

aboutyoursafety.她非常担心你的安全。AsfarasI’mconcerned,youcan’tignorethefact.就我个人而言,你不能忽视这个事实。重点词汇重点句式高分写作随堂练习【温馨提示】形容词concerned作前置定语时,意为“关心的,挂念的,担心的”;作后置定语时,意为“相关的;有关的”。例如:a

concerned

look“关切的神情”;the

authorities

concerned“有关当局”。重点词汇重点句式高分写作随堂练习

重点词汇重点句式高分写作随堂练习5.contribute

v.促成,造成(某事发生)【课文原句】Lookatthethreeitemsthatcontributetoacarbonfootprint.观察造成碳足迹的三个项目。【词汇精讲】句中的contribute是动词,意为“促成,造成”,contribute还可表示“捐献,捐助,贡献”等。I’mfirmlyconvincedofthesignificanceofhonesty,whichwillcontribute

tobuildingawarmandharmonioussociety.我坚信诚实的重要性,它有助于建立一个温暖、和谐的社会。Thetwo-weekexchangeactivitiescontributed

toabetterunderstandingbetweenus.这两周的交流活动促进了我们之间更好地了解。Wemustactivelycontribute

tothepreservingofworldpeace.我们一定要为维护世界和平积极贡献我们的力量。重点词汇重点句式高分写作随堂练习【词汇拓展】Ihavecontributedseveralarticlestothemagazine,butnoneofthemhavebeenpublished.我已经给杂志社投了好几篇文章,可一篇也没发表过。Wouldyouliketomake

a

contributiontothehospitalbuildingfund?你愿意为医院建设基金捐款吗?重点词汇重点句式高分写作随堂练习重点词汇重点句式高分写作随堂练习

重点词汇重点句式高分写作随堂练习6.average

adj.平均(数)的【课文原句】Theaveragescoreofourgroupis...我们组的平均分数是……【词汇精讲】average作形容词,意为“平均的;正常的;普通的”,作名词,意为“平均数;平均水平”。TheaveragetimetheChinesepeoplespendonlineis17hoursperweek.中国人每周上网的平均时间为17个小时。Theaverageageoftheboysinthisclassisfifteen.班里面男孩子的平均年龄是15岁。重点词汇重点句式高分写作随堂练习【词汇拓展】Lastyearwasthewarmestyearonrecord,withglobaltemperature0.68℃above

the

average.去年是有史以来最暖和的一年,全球温度比平均值高出0.68摄氏度。Tom’sworkatschoolisabove

average,Jim’sbelow

average.汤姆的学习成绩属于中上水平,吉姆的学习成绩属中下水平。重点词汇重点句式高分写作随堂练习

重点词汇重点句式高分写作随堂练习However,making

a

paper

bag

uses

four

times

as

much

energy

as

making

a

plastic

bag

and

up

to

three

times

the

amount

of

water.然而,制造一个纸袋所需的能量是制造一个塑料袋的四倍,所需的水是制造一个塑料袋的三倍。【句式剖析】fourtimesasmuchenergyas...是“倍数+as+原级+as”结构,是英语倍数的一种表示方法。HehascollectedmorethanthreetimesasmanystampsasI.他搜集的邮票是我的三倍多。Therearefivetimesasmanybooksinourlibraryasinyours.我们图书馆里的书是你们图书馆里的五倍。重点词汇重点句式高分写作随堂练习【句式拓展】(1)“倍数+比较级+than”Thehallisfivetimesbiggerthanourclassroom.这个大厅的面积比我们教室大五倍。(2)“倍数+thesize/length+of+其他”Theearthis49timesthesizeofthemoon.地球的体积是月球的四十九倍。Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.新扩建的广场是未扩建时的四倍大。重点词汇重点句式高分写作随堂练习(3)“倍数+what从句”Theproductionisnowthreetimeswhatitwastenyearsago.现在的产量是十年前的三倍。Thelengthoftheroadisfourtimeswhatitwasthreeyearsago.这条路的长度是三年前的四倍。(4)“计量名词+of+名词+be+倍数+that+of”Thesizeofthesunisamilliontimesoverthatoftheearth.太阳的体积比地球的体积大一百万倍。ThedepthofthisriveristhreetimesthatofWenheRiver.这条河的深度是汶河的三倍。重点词汇重点句式高分写作随堂练习

重点词汇重点句式高分写作随堂练习国庆长假期间,各地景区垃圾剧增,给保洁人员带来巨大负担,也暴露出游人环保意识薄弱。假如你是长城景区的一位导游,请写一篇倡议书,倡导游客摒弃不文明行为,杜绝垃圾乱扔现象。注意:1.词数80左右;2.开头和结尾已给出,不计入总词数;3.可根据内容需要适当增加细节。重点词汇重点句式高分写作随堂练习Dearguests,WelcometotheGreatWall.____________________________________________________________________________________________________________________________________________________________________Let’stakeactionatonce!重点词汇重点句式高分写作随堂练习一、审题定调1.确定体裁:本次写作是一封倡议书,倡导游客摒弃不文明行为,杜绝垃圾乱扔现象。2.确定人称:主要人称为第一、三人称。3.确定时态:主要时态用一般现在时。二、谋篇布局本文可以分为三个段落。第一段:提出问题,分析问题的原因及其后果;第二部分:倡导游客摒弃不文明行为,杜绝垃圾乱扔现象;第三部分:对全文做出总结。重点词汇重点句式高分写作随堂练习三、短文模板

重点词汇重点句式高分写作随堂练习四、组织语言1.常用语块重点词汇重点句式高分写作随堂练习2.遣词造句

重点词汇重点句式高分写作随堂练习五、连句成文参考范文Dearguests,

WelcometotheGreatWall.TheGreatWallisoneofthemostbeautifulplacesofinterestintheworld.Attractiveasitis,thereissomethingannoying.Youcanseewastehereandthere,whichisthrowncasuallybysometourists.Asaresult,cleanersherehavetoworkextremelyhardtogetridofthewaste.Worsestill,peopleslipbecauseoffruitskins.

Soit’shightimethatweshouldsaynototravelwasteandstoplittering.Moreover,wearesupposedtobeawarethatitiseveryone’sresponsibilitytoprotectthebeautyofourenvironment.Sowecanhaveagoodtimeandpleasureofappreciatingnature.Ifeveryonedoeshisbit,itwillsurelymakeagreatdifference!Let’stakeactionatonce!

重点词汇重点句式高分写作随堂练习Ⅰ.短语填空1.We

thenewspapersforinformationaboutwhatishappening.

答案:dependon2.I

everyonetodosomethingtomakeadifferencetotheenvironment.

答案:callon3.Wemust

topreventthistragedyfromhappeningagain.

答案:takesteps4.Weweredrivingonthehighwaywhenthecar

.

答案:brokedown5