人教版高中英语必修二 （Wildlife Protection）Section A 教学课件

UNIT

2WildlifeProtectionSectionA

ListeningandSpeaking

人教版高中英语必修二动物是人类亲密的朋友,人类是动物信赖的伙伴。人类的生存不能没有动物,而动物完全可以不需要人类!保护野生动物,就是关爱人类自己。Manyanimalandplantspecieshavebecomeextinctandmanymoreareincriticaldanger.DodoThedodoisaclassicexampleofhowhumanscauseddamagetotheearth’sbiology.TheflightlessdodowasnativetotheIslandofMauritiusintheIndianOcean.Theeasilycontrolledbirdbecameasourceoffoodforsailorsandwasattackedbyanimalsintroducedtotheislandbyhumanssuchaspigs,monkeysandrats.Thepopulationofdodosrapidlydecreasedandthelastonewaskilledin1681.

RhinosTherhinohornisahighlyprizeditemforAsianmedicine.Thishasledtotheanimalbeinghuntedinitsnaturalhabitat.OncewidespreadinAfricaandEurasia,mostrhinosnowliveinprotectednaturalparksandreserves.Theirnumbershaverapidlydecreased①inthelast50years,andtheanimalsremainunderconstantthreatfrompoachers(偷猎者).WhalesTheInternationalWhalingCommissionisfightingtoensure②thesurvivalofthewhalespecies.Despitethefactthatone-thirdoftheworld’soceanshavebeendeclaredwhalesanctuaries(保护区),7outof13whalespeciesremainendangered.Collisions(碰撞)withships,poisonouspollution③andbeingcaughtinfishingnetsaresomemajorcausesofwhaledeaths.TigersThelast100yearshasseena95%reductioninthenumbersofremainingtigerstobetween5,000and7,000andtheBali,Javan,andCaspiantigersarealreadyextinct.TheSouthChinatigerisprecariously(危险地)closetodisappearing④,withonly20to30stillalive.Liketherhinohorn,tigers’bonesandorgansaresoughtafterformedicines.Theseitemsaretradedillegallyalongwithtigerskins.词海拾贝①decreasev.减少②ensurevt.保证③pollutionn.污染④disappearvi.消失典句欣赏Theeasilycontrolledbirdbecameasourceoffoodforsailorsandwasattackedbyanimalsintroducedtotheislandbyhumanssuchaspigs,monkeysandrats.翻译:这种容易被控制的鸟成了水手的食物来源,同时受到人们带来的动物,诸如猪、猴子和老鼠的攻击。分析:本句是一个简单句。句子的主语是Theeasilycontrolledbird,became和wasattacked是并列谓语,introducedtotheisland...是动词-ed形式构成的短语作定语。理解诱思1.Whatdoesthepassagemainlytellus?答案:Someextinctandendangeredanimals.2.Whatshouldwedotopreventtheseanimalsfromextinction?答案:Open.ⅠⅡⅢⅠ.知识体系图解

posterillegalhuntimmediatelyspeciesalarmrateextinctionmassⅠⅡⅢhabitatawareaverageconcernlivingadaptmeasureauthoritypressureⅠⅡⅢ究竟;到底结束灭亡;逐渐消失以惊人的速度意识到;知道平均取得进步对……关切的;为……担忧的适应在压力下;承受压力ⅠⅡⅢⅡ.释义匹配1.habitat

A.tochangesomethingtosuitdifferentconditionsoruses2.adapt B.bethebusinessofsb;trouble;bother3.concern C.theforceyouproducewhenyoupresssomething4.measure D.tofindthesize,length,oramountofsomething,usingstandardunitssuchasinches,metres,etc.5.pressure E.thenaturalsurroundingsinwhichananimaloraplantusuallylives答案:1.E

2.A

3.B

4.D

5.CⅠⅡⅢⅢ.介词填空1.Someofthewildanimalsaredyingout

analarmingrate.

2.Childrenmustattendschool

theagesof5and16.

3.I’malwaysveryaware

howmuchworkthereisstilltobedone.

4.

average,apowerfulearthquakeoccurslessthanonceeverytwoyears.

5.Whenyouare

pressure,youshoulddosomeexercisetogetrelaxed.

atbetweenofOnunder重点词汇随堂练习1.die

out灭亡;逐渐消失【课文原句】Ourplanet’s...isdying

outatanalarmingrate.我们星球上的……正以惊人的速度灭绝。【词汇精讲】dieout意为“灭亡;逐渐消失”,是固定短语。Perhapstoomuchfightingcausedthedinosaurstodie

out.或许是太多的争斗导致恐龙灭绝。Infact,halfofthe6,000—7,000languagesspokenaroundtheworldtodaywilllikelydie

outbythenextcentury.事实上,今天世界上使用的6000到7000种语言中,有一半很可能在下个世纪消失。重点词汇随堂练习【词汇拓展】Inacoldwinter,manywildanimalscandie

ofhunger.在寒冷的冬天,许多野生动物可能会饿死。Iam

dying

to

knowwhathappenedbecauseitwassostrange.我很想知道发生了什么事,因为这件事太奇怪了。重点词汇随堂练习重点词汇随堂练习2.aware

adj.知道的;发觉的;有……意识的【课文原句】Wemustmakepeopleawareoftheproblem...我们必须让人们意识到这个问题……【词汇精讲】aware是形容词,意为“知道的;发觉的;有……意识的”,常和介词of连用。Theywerenotaware

ofthehistoricsignificanceofthisflight.他们没有意识到这次飞行的历史意义。Ithinkhehasbeenaware

ofhowgreatthisclubis,andhowmuchloyalthefansare.我觉得他已经意识到了这是一家多么伟大的俱乐部,这里的球迷是多么忠诚。重点词汇随堂练习【词汇拓展】Thenhebecame

aware

thattheywereregardinghimwithinterest.这时,他意识到他们都很感兴趣地看着他。Inmyopinion,it’sveryimportanttodevelop

an

awareness

ofhealthnow.在我看来,现在提高健康意识很重要。重点词汇随堂练习重点词汇随堂练习3.average

n.平均数;平均水平adj.平均的;正常的;普通的【课文原句】Howmanyelephantsarekilledonaverageeveryday?每天平均有多少头大象被杀死?【词汇精讲】average作名词,意为“平均数;平均水平”,作形容词,意为“平均的;正常的;普通的”。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

averageandJack’sup

to

average.汤姆在校学习成绩属于中上水平,吉姆的学习成绩属中下水平,杰克的学习成绩属中等水平。重点词汇随堂练习重点词汇随堂练习4.concerned

adj.担心的;关切的;相关的【课文原句】I’mconcernedabouttheAfricanelephants.我非常担忧非洲大象。【词汇精讲】句中的concerned是形容词,意为“担心的;关切的;相关的”,concern作动词时,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坏的影响。Ihopethedepartmentconcernedwilldealwiththematterimmediately.我希望有关部门立刻处理这件事情。Whatconcernsmeisourlackofpreparationforthechange.让我担心的是我们对事态的变化缺乏准备。重点词汇随堂练习【词汇拓展】Sheisdeeplyconcerned

aboutyoursafety.她非常担心你的安全。As

far

as

I’m

concerned,youcan’tignorethefact.就我个人而言,你不能忽视这个事实。【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”。重点词汇随堂练习重点词汇随堂练习5.adapt

vi.适应vt.使适应;使适合【课文原句】Elephantsneedlargelivingspaces,soit’sdifficultforthemtoadapttothechanges.大象需要很大的生存空间,所以它们很难适应变化。【词汇精讲】adapt作不及物动词,意为“适应”,常和介词to连用,作及物动词词组,意为“使适应;使适合”。Itwasnotlongbeforethechildrenadapted

tothelifeinthecountry.不久孩子们就适应了乡下的生活。Itwastheculturethatmadeithardforhimtoadapt

to/adapt

himself

tothenewenvironmentabroad.是文化使得他很难适应国外的新环境。重点词汇随堂练习【词汇拓展】

重点词汇随堂练习Thisplaywasadapted

fromthebookBetrayed

SpringbyJackLindsay.此剧是根据杰克·林赛所著小说《被出卖了的春天》改编而成的。Thisnovelhasbeenadapted

forradiofromtheRussianoriginal.这部小说已由俄文原著改编成无线电广播节目。Whenyougotoanewcountry,youmustadapt

yourself

tonewcustoms.当你到一个新的国家,你必须使自己适应新的风俗习惯。重点词汇随堂练习重点词汇随堂练习6.measure

n.措施;方法vt.测量;估量;度量【课文原句】Whatmeasuresarebeingtakentohelpthem?正在采取什么措施来帮助它们?【词汇精讲】measure作名词,意为“措施;方法”,是可数名词;作动词,意为“测量;估量;度量”。Educationshouldn’tbemeasuredpurelybyexaminationresults.教育不应该纯粹用考试成绩来衡量。Wehaveadoptedmanymeasurestoprotectwildanimals.我们采取了许多措施来保护野生动物。重点词汇随堂练习【词汇拓展】Intheolddays,mymotheralwaysmadenewclothesto

my

own

measurewithSpringFestivalcoming.过去,妈妈在春节来临时总是为我量身做新衣服。重点词汇随堂练习重点词汇随堂练习Ⅰ.选词填空1.Nowscientistsaredoingaresearchonthe

environmentofotherspecies.

答案:living2.Theemployment

hascontinuedtoriseinbigcitiesthankstotheeffortsofthelocalgovernments.

答案:rate3.Lastyearthenumberofstudentswhograduatedwithadrivinglicensereached200,000,an

of40,000peryear.

答案:averageaverage,living,measure,rate,alarm重点词汇随堂练习4.SorryI’mlate.Imighthaveturnedoffthe

clockandgonebacktosleepagain.

答案:alarm5.(2019·全国卷Ⅰ)Thissmartkeyboardprecisely

thecadence(节奏)withwhichonetypesandthepressurefingersapplytoeachkey.

答案:measures重点词汇随堂练习Ⅱ.完成句子1.Thiskindofwildanimalsis

(处于……危险中)extinction.

答案:indangerof2.Africanelephants

(正在被猎杀)andtheirnumberisbecomingsmaller.

答案:arebeinghunted3.Thegovernmentmust

(采取措施)toprotecttheseanimals.

答案:takemeasures重点词汇随堂练习4.Thepolicetoldthechildren

(不要玩)onthestreet.

答案:nottoplay5.Thepopulationofthecountryisgrowing

(以惊人的速度).

答案:atanalarmingrateSectionB

ReadingandThinkingUNIT

2WildlifeProtection

人教版高中英语必修二ⅠⅡⅢⅠ.知识体系图解

reserveplainobservebeautyremindshootprofitⅠⅡⅢattackrecoverremoveintendthreatenexistharmonygoodscreatureⅠⅡⅢ看清;听清;分清使某人想起(类似的人或物)保护;照管;监督日日夜夜;夜以继日和睦相处处于危险中下降到……在保护下ⅠⅡⅢⅡ.释义匹配1.reserve

A.seeandnoticesomething2.observe B.keepsomethingforaparticularpurposeortime3.beauty C.anactofviolencethatisintendedtohurtapersonordamageaplace4.profit D.somethingthatisanexcellentexampleofitstype5.attack E.moneythatyougainbysellingthingsordoingbusiness,afteryourcostshavebeenpaid答案:1.B

2.A

3.D

4.E

5.CⅠⅡⅢⅢ.阅读导学根据P16课文内容,选择正确答案。1.WhydidthewritergotoTibet?A.TowatchTibetanantelopes.B.Togocampingintheplain.C.Toenjoythebeautyofthenature.D.Toclimbsnow-coveredmountains.2.WhatareZhaxiandothervolunteerstryingtosaveactually?A.Allkindsofanimals. B.Plantsontheplain.C.Theirsacredland. D.Humanbeings.答案:A答案:DⅠⅡⅢ3.WhydidTibetanantelopes’habitatsbecomesmaller?A.Becausetheirnumberwassmaller.B.Becausehunterswereshootingthem.C.BecauseNationalNatureReservesweresetup.D.Becausehumanactivitiesdestroyedtheirhabitats.4.Whatshouldwedoifwereallywanttosavetheplanet?A.Weshouldwatchovertheantelopesdayandnight.B.Weshouldn’tbuygoodsmadeofanimals’fur.C.Weshouldchangeourwayoflife.D.WeshouldnothuntTibetanantelopes.答案:D答案:C重点词汇重点句式随堂练习1.make

out看清;听清;分清【课文原句】Ontheplaininfrontofus,wecanjustmake

outaherdofgracefulanimals.放眼平原,我们隐约看到一群体形优美的动物。【词汇精讲】makeout是动词短语,意为“看清;听清;分清”。Ican’tmake

outthewordsontheadvertisingboard.我看不清广告牌上的字。Amancalledjustnow,butIdidn’tmake

outwhoitwas.有人刚才打电话,但我没听清是谁。重点词汇重点句式随堂练习【词汇拓展】Insomelanguages,100wordsmake

uphalfofallwordsusedindailyconversations.在一些语言中,100个单词构成了日常对话使用的所有词汇的一半。Aslongasyouhaveadream,keeptryingandyou’llmake

it.只要你有梦想,不断努力就一定会成功。重点词汇重点句式随堂练习重点词汇重点句式随堂练习2.observe

vt.观察(到);注视;遵守【课文原句】Thisiswhywe’rehere—toobserveTibetanantelopes.这就是我们来这里的原因——观察藏羚羊。【词汇精讲】observe是及物动词,可表示“观察(到);注视;遵守;庆祝”。其名词形式为observation。ItwasobservedthatsuccessfulpeoplespentalotmoretimereadingthanwatchingTV.据观察,成功人士花在阅读上的时间比看电视的时间多很多。Rulesshouldbeworkedoutandstrictlyobserved.应该制定规章制度并严格遵守。Couldyoutellmehowyouusuallyobservethefestivalinyourcountry?你能告诉我你们国家是如何庆祝这个节日的吗?重点词汇重点句式随堂练习【词汇拓展】

WhenIpassedbyhishouse,Iobservedhimplayingintheyard.当我经过他的房子时,我看到他正在院子里玩耍。【温馨提示】observe

sb

do

sth结构如果改成被动语态,应补上省略的to,即sb

be

observed

to

do

sth。Themanwas

observed

toenterthebankbythepolice.警方注意到那个男子进入了银行。重点词汇重点句式随堂练习重点词汇重点句式随堂练习3.remind

vt.提醒;使想起【课文原句】I’malsoremindedofthedangertheyarein.我也想到了它们所处的危险。【词汇精讲】remind是及物动词,意为“提醒;使想起”,表示“使某人想起某事”要用remindsbofsth。I’veforgottenhowtodothis;willyouremindme?我已忘了怎么做这件事,你提醒我一下好吗?Inourchildhood,wewereoftenremindedbyGrandmatopayattentiontoourtablemanners.在我们的童年时代,奶奶经常提醒我们注意餐桌礼仪。Thephotowillremindmeofthedayswhenweweretogether.这张照片让我想起我们在一起的日子。重点词汇重点句式随堂练习【词汇拓展】Pleaseremindmetocallherassoonaswegethome.我们一到家就提醒我给她打电话。SheremindedmethatIhadn’twrittentoMotherforalongtime.她提醒我好久没有给妈妈写信了。重点词汇重点句式随堂练习重点词汇重点句式随堂练习4.attack

n.,vi.&

vt.攻击;抨击【课文原句】Zhaxiandothervolunteerswatchedovertheantelopesdayandnighttokeepthemsafefromattacks.扎西和其他志愿者日夜守护着这些羚羊,以保护它们免受攻击。【词汇精讲】句中的attack是可数名词,意为“攻击”。attack也可作及物或不及物动词,意为“攻击;抨击”。Themaninsistedthathewasjustdefendinghimselfwhenattacked.那个人坚持说当受到攻击时他只是在自卫。Accordingtoarecentresearch,heavycoffeedrinkingandheartattackarenotnecessarilycauseandeffect.根据最近一项研究,过量饮用咖啡与心脏病并没有必然的因果关系。重点词汇重点句式随堂练习【词汇拓展】Whenananimalisunder

attack,itcanrunawayorfightback.动物遭到攻击时,要么逃走要么反击。重点词汇重点句式随堂练习重点词汇重点句式随堂练习5.recover

vi.恢复;康复vt.找回;寻回【课文原句】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删除。【词汇精讲】recover作不及物动词,意为“恢复;康复”,作及物动词,意为“找回;寻回”。Itissaidthathumournotonlyaffectspatients’moods,butalsohelpsthemrecoverfaster.据说幽默不仅影响病人的情绪,而且还有助于病人快速康复。Werecoveredlosttimebysettingoutearly.我们提前出发从而把损失的时间补了回来。Hemanagedtorecoverthedeletedfiles.他设法找回了删除的文件。重点词汇重点句式随堂练习【词汇拓展】Eventhoughhewashurtseriouslyinthecaraccident,hefinallymade

a

recovery

fromit.尽管他在交通事故中严重受伤,但最终康复了。重点词汇重点句式随堂练习重点词汇重点句式随堂练习6.remove

vt.去除;移开;脱去【课文原句】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删除。【词汇精讲】remove是及物动词,意为“去除;移开;脱去”。Theyremovedhernamefromthelist.他们把她的名字从名单上去掉了。Referencebooksmaynotberemovedfromthelibrary.参考书不能被带出图书馆。Sheremovedherjacketandhungituponthehook.她脱掉外套并把它挂在了衣钩上。重点词汇重点句式随堂练习【词汇拓展】Becauseofthenoise,thefamilydecidedtoremove

fromthecitytothecountryside.由于噪音,这家人决定从城市搬到乡村。Beforetheexamination,theschoolorganizedsomerelaxingactivitiestoremovefearsandanxietyfromstudents’minds.考试前学校组织了一些轻松的活动来消除学生心理的害怕和焦虑。重点词汇重点句式随堂练习重点词汇重点句式随堂练习7.intend

vi.&

vt.打算;计划;想要【课文原句】Thegovernment,however,doesnotintendtostoptheprotectionprogrammes,sincethethreatstotheTibetanantelopehavenotyetdisappeared.然而,政府并没有打算停止这些保护项目,因为对藏羚羊的威胁依然存在。【词汇精讲】intend可作及物或不及物动词,意为“打算;计划;想要”,后可接动词不定式或动词-ing形式作宾语。Thearticlewasintendedtodrawpeople’sattentiontoenvironmentalprotection.这篇文章的目的是吸引人们对环境保护的关注。Iintend

to

join/joiningaDragonBoatTrainingCamp.Iwonderifyou’dliketogowithme.我打算参加龙舟训练营,我想知道你是否愿意和我一起参加。重点词汇重点句式随堂练习【词汇拓展】Hewantstogoabroadwith

the

intention

ofimprovinghisEnglish.他打算去国外,目的是为了提高英语。Wehad

intended

toarriveatourdestinationat9o’clock,butwedidn’tbecauseofthetrafficjam.我们本来打算9点钟到达目的地,但是由于交通堵塞我们晚点了。重点词汇重点句式随堂练习重点词汇重点句式随堂练习1.This

is

why

we’re

here—to

observe

Tibetan

antelopes.这就是我们来这里的原因——观察藏羚羊。【句式剖析】This/Thatiswhy...意为“这/那就是……的原因。”why引导的是表语从句,表示结果。Asisknowntoall,heishonest.That’s

whyIbelieveinhimallthetime.众所周知,他人很诚实。那就是我一直信任他的原因。ThesceneryalongtheYangtzeRiverisamazing,andthat’s

whyIthinkthetripalongtheriverwillbeabetterchoice.长江沿岸的风景美不胜收,那就是我认为长江之行是更好的选择的原因。重点词汇重点句式随堂练习【句式拓展】This

is

becauseplantscanmakefoodfromair,waterandsunlight.这是因为植物可以用空气、水和阳光来制造食物。The

reason

whyhehashadsuchasuccessis

thathenevergivesup.他能如此成功的原因是他从不放弃。重点词汇重点句式随堂练习重点词汇重点句式随堂练习重点词汇重点句式随堂练习2.Only

when

we

learn

to

exist

in

harmony

with

nature

can

we

stop

being

a

threat

to

wildlife

and

to

our

planet.只有学会和大自然和谐共处,我们才不会成为野生生物和地球的威胁。【句式剖析】本句是一个主从复合句。when引导的是时间状语从句,canwestopbeing...是主句。当only位于句首时,如果后面跟副词、介词短语或从句等状语,句子要用部分倒装语序。Onlyinthiswaycanyoucrosstheriversafeandsound.只有用这种方法你才能安全地过河。Onlywhenonelosesfreedomdoesoneknowitsvalue.只有当一个人失去自由时,他才会懂得自由的价值。重点词汇重点句式随堂练习Onlybyunderstandingandlearningfromeachothercanwespendthosedaystogetherhappily.只有通过相互理解、彼此学习,我们才能一起开心地度过那些美好的日子。【句式拓展】(1)“only+从句”放在句首时,倒装的是主句,从句不倒装;(2)only放在句首修饰主语时不用倒装。Onlyafewofthechildrenhaven’tyetgotachanceofbei