高中英语 Unit 4 Wildlife protection课时作业 新人教版必修2.docx
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高中英语 Unit 4 Wildlife protection课时作业 新人教版必修2.docx
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高中英语Unit4Wildlifeprotection课时作业新人教版必修2
Unit4 Wildlifeprotection
【导语】 专家指出:
地球上的动植物物种正以前所未有的速度消失,而无论是它们栖息地的丧失、污染,还是全球变暖带来的间接影响,祸根都源于人类。
北部白犀牛 小嘴狐猴
Extinctionisforever!
Asalmosteveryoneknows,tobecomeextinctistobegoneforever.Evenbeforeman'sarrivalonEarth,speciesbecameextinctquitenaturally.NaturalextinctionhappenswhenaspeciesdecreasesinnumbersgraduallybutsteadilyattheendofitsevolutionaryperiodonEarth.Thelengthofthisperioddependsonhowwellaspeciescangetusedtochangesaroundit.Thisprocessofextinctioncantakeaverylongtime—sometimesseveralmillionyears—andtheextinctionofonespeciesisimmediatelyfollowedbytheappearanceofanotherinacontinuouscycle.
Thecaseofthedinosaursisthemostwell-knownexampleofnaturalextinction.TheyappearedonEarthabout200millionyearsagoanddominated(统治)bothlandandseaforalmost100millionyears.Itisnotcertainwhythedinosaursbecameextinct,buttheirdisappearancewasanaturaloneandnewspeciesofanimalsevol
vedtoreplacethem.
Therateofextinctionhasspeededupunnaturallyoverthelast400years,risingsharplysince1990.Thisincreaseintherateofextinctionisdirectlyrelatedtotheincreaseinthehumanpopulationoverthesameperiodoftime.Thegreatnumberofhumanshascausedgreatdamagetotheplanet,aswildhabitatshavebeentakenover,forcinganimalsandplantsintosmallerandsmallerareas,untilsomeofthemhavebecomeextinct.Wehavealsopollutedsomehabitats
withchemicalsandwaste,makingthemunfitforwildlife.Thesecausesofextinctionareknownasindirectdestruction.
Animalsmayalsobecomeextinctthroughdirectdestruction.Thisincludesthehuntingandcatchingofanimals.Manhasalwayshuntedandkilledwildlifebutwhenearlyhumanslivedmoreinharmonywithnature,theykilledanimalsforessentialfoodandclothing.Whenfirearmswereinvented,greatdestructionofspecieswaspossible.Animalshavebeen,andstillare,killedformeat,clothing,medicines,feathers,eggs—andsometimesjustforamusement.Somespeciesarestillcaughtinthewildforthelivepettrade,eventhoughtheirnumbersaredecreasing.
Theextinctionofatleast500speciesofanimalshasbeencausedbyman.Todaythereareabout5,000endangeredanimalsandatleastonespeciesdiesouteveryyear.Thereareprobablymanymorewhichbecomeextinctwithoutanyoneknowing.
【词海拾贝】
1.extinction n.灭绝;绝种
2.steadilyadv.平稳地
3.continuousadj.连续不停的;不间断的
4.habitatv.栖息地
5.destructionn.破坏
【问题思考】
阅读短文,判断正(T)误(F)。
1.BeforemanarrivedonEarth,specieswerenotextinct.( )
2.Scientistsarequitesurewhythedinosaursbecameextinct.( )
3.Theincreaseinthehumanpopulationcausestheincreaseintherateofextinctionoverthesameperiodoftime.( )
答案:
1.F 2.F 3.T
Ⅰ.将单词与其正确释义配对
1.decrease A.鉴赏;感激;意识到
2.reserveB.安全的;可靠的
3.huntC.雇佣;利用
4.respondD.减少;变小
5.containE.包含;容纳;容忍
6.affectF.保护区
7.appreciateG.成功;接替;继任
8.succeedH.回答;响应;做出反应
9.secureI.损害;危害
10.incomeJ.收入
11.employK.打猎;猎取;搜寻
12.harmL.影响;感动;侵袭
答案:
1.D 2.F 3.K 4.H 5.E 6.L 7.A 8.G
9.B 10.J 11.C 12.I
Ⅱ.根据所给汉语提示写出单词
1.________n.仁慈,宽恕;怜悯
2.________v.咬;叮;刺痛
3.________vt.检查;视察
4.________n.事件;事变
5.________adj.凶猛的;猛烈的
答案:
1.mercy 2.bite 3.inspect 4.incident 5.fierce
Ⅲ.根据英语释义写出单词
1.________:
farawayinspaceortime
2.________:
feelingofcomfortwhensomethingworrying
hasendedornothappened
3.________:
tokeepsomeoneorsomethingsafefromharm
4.________:
beabletocontrolevents
5.________:
beimportant
答案:
1.distant 2.relief 3.protect 4.powerful 5.importance
Ⅳ.选用短语的适当形式完成句子
decreaseto;inpeace;indanger;burstintolaughter;payattentionto;doharmto;protect...from;inrelief;dieout;atthemercyof
1.Readinginbedforalongtimewill________________youreyes.
2.Everystudentshould________________whatyourteachersaidinclass.
3.Thetwocountrieshavebeenlivingtogether_____.
4.Noonewasinjuredintheaccident;weallsmiled_______.
5.It'shightimethatweshouldtakemeasurestoprotecttheseoldtraditionsbeforethey______________.
6.Thepoorcatis________________thenaughtyboy.
7.Hearingthefunnystory,alloftheboys_____________.
8.Children'slivesare____________________everytimetheycrosstheroad.
9.Thegovernmentisdoingthebestto________thoserareanimals________beinghunted.
10.Thenumberoftherarebirdsinthisareahas_______aboutninety.
答案:
1.doharmto 2.payattentionto 3.inpeace
4.inrelief 5.dieout 6.atthemercyof 7.burstintolaughter 8.indanger 9.protect from 10.decreasedto
课文表层理解
Ⅰ.判断正(T)误(F)
1.TheantelopeinTi
betbecomesanendangeredspeciesbecauseofitsfurbeingusedtomakesweaters.( )
2.Thelivingconditionsoftheelephantsareworsethantheywere.( )
3.WhatthegovernmentofZimbabwedidprovideuswithagoodexampleofhowtoprotectwildlife.( )
4.Themillipedeinsectproducesadrugnaturallywhichcanprotectanimalsfrommosquitoes.( )
5.Daisyreturnedhomewiththemonkeyandbegantomakehernewdrug.( )
答案:
1.T 2.F 3.T 4.T 5.F
Ⅱ.读课文,回答问题
1.Whatdoestheword“it”refertointheLine2inthesecondparagraph?
(within3words)
_______________________________________________________
_______________________________________________________
答案:
Theelephant.
2.Fillintheblankwiththewordsfromthesecondparagraph.(within2words)
WhenDaisyheardthattheelephantaskedwhethershecametotakeitsphoto,shelaughed________.
答案:
inrelief
3.Whydidthemonkeyrubitselfaccordingtothethirdpara-graph?
(within10words)
_______________________________________________________
_______________________________________________________
答案:
Becausethemonkeyprotecteditselffrommosquitoes.
4.WasDaisyabletomakehernewdrug,why?
(within15words)
_______________________________________________________
_______________________________________________________
答案:
No,shedoesn't.Becauseshewasinherdreamandeverythinghadgone.
HowDaisyLearnedtoHelpWildlife
Paragraphs
Mainideas
Supportingdetails
Para.1
Whyweneedwildlifeprotection
Animal:
TibetanAntelope
Situation:
beinghuntedforthe
furunderitsstomach
Result:
thenumbersisdecreasing
rapidly
Para.2
1.________
Animals:
elephantsin
Zimbabwe
Situation:
2.________
Result:
protectedbyfarmers
who3.________
Para.3and
Para.4
4.________
Animal:
amillipedefroma
thickrainforest
Situation:
producesadrug
naturallywhichcanprotect
usfrommosquitoes
Result:
5.________
答案:
1.Agoodexampleofwildlifeprotection
2.previouslyhuntedwithnumbersdecreasingrapidly
3.makemoneyfromtourism
4.Whatwecangetfromwildlifeprotection
5.tellWWFaboutthedrug
课文深层理解
Ⅰ.读课文,回答问题
What'sthemainideaofthepassage?
ItisaboutastrangedreamthatDaisydreamed.Inherdream,shetooka________totravelandtalkedwithmanydifferent_______,whichmadeherknowtheimportanceof_______________.
答案:
flyingcarpet animals wildlifeprotection
Ⅱ.单项选择
1.Daisyfirstlearnedabouttheantelope________.
A.fromhersweatermadeoffur
B.onceshewasinTibet
C.aftershesawanantelopelookingsad
D.whenshewokeupfromherdream
答案:
C
2.TherearenotasmanyantelopesasitusedtobeinTibet___.
A.becauseofpollution
B.duetothedevelopmentofindustry
C.becausethey'rebeingkilledforfur
D.forlackoffood
答案:
C
3.WhydidelephantsusetobeanendangeredspeciesinZimbabwe?
A.Touristshuntedtoomanyelephants.
B.Farmershuntedthemwithoutmercy.
C.Thegovernmentencouragedfarmerstohuntthem.
D.Elephantswerekilledbythegovernment.
答案:
B
4.Farmersusedtohuntandkil
lelephantsbecausethey______.
A.didn'twanttomakemoremoney
B.wantedtoprotecttheircrops
C.wantedtogettheir
furandmeat
D.thoughttheyweredangeroustothem
答案:
B
5.Whatdoes“Norainforest,noanimal,nodrugs.”mean?
A.Therearenodrugsintherainforest.
B.Therewillbenorainforest,noanimals,nodrugsinthefuture.
C.Animalsintherainforestdon'tneeddrugs.
D.Therainforest,animals,drugsarecloselyrelatedtoeachother.
答案:
D
Ⅲ.领会句子所用的句型并译成汉语
1.Thisiswhatwildlifeprotectionisallabout.
_______________________________________________________
答案:
这正是野生动物保护的意义所在。
2.We'rebeingkilledforthewoolbeneathourstomachs.
_______________________________________________________
答案:
为了我们肚皮下的毛,我们正在被屠杀。
3.Norainforest,noanimals,nodrugs.
_______________________________________________________
答案:
没有雨林,就没有动物,也就没有药物了。
4.Afterawhileshesawsomezebrawithblackandwhitelinesgoingbeneaththeirstomachs.
_______________________________________________________
答案:
过了一会儿她看到了一些斑马,它们身上有一直延伸到腹部的黑白相间的条纹。
建议信
本单元的写作任务是建议信,它属于应用文。
建议信的目的是向有关组织或个人提出建议,所提建议旨在就某种事物或现象,提出一些改进的措施,这种建议带有劝说性。
建议信现在多数都写成电子邮件的格式,它一般有称呼、正文、结尾和署名四
个部分。
一、基本框架
1.开头——提出写建议信的缘由。
2.主体——写出建议的具体内容,并指出你所提建议可能会带来的好处。
3.结尾——提出希望自己的建议被采纳的想法。
二、注意事项
1.注意人称和时态的合理使用。
2.注意语言要委婉、中肯,建议要合理,表达要清楚。
3.注意写作要点不能遗漏,表达方式要多样,行文须连贯,过渡要自然。
三、典型句式
1.反映现象的常用开头句式:
I'mwritingtotellyouthat...
Recentlywehavemadeasurveythat...
Manypeopleareworriedabout...
2.提出措施的常用句式:
Weintendto...tohelp/save/protect...
Wearereadytocallonpeopleto...
Wefeellikedoing...toteachtheillegalhuntersalesson...
We'drathernot...butdo...
3.征求对方支持的常用表达:
Weneedyoursupporttomakemoreandmorepeople...
Wouldyoupleasehelpusto...by...?
We'llappreciateitifyoucan...
Inorderto...weneed...
IhopethatIcangethelpfrom...
众所周知野生动植物的数目已经减少,一些动物也已经灭绝了。
我们怎样阻止濒危的动物灭绝呢?
请根据以下提纲写一篇100词左右的文章,呼吁人们行动起来。
1.我们应该保护它们免遭捕杀。
2.应该设立一些自然保护区和保护带,目的是使动物能够平静地生活。
3.政府应该制定更强有力的法律来保护动物。
[写作提示]
本文为一篇提纲挈领式作文,这类题型的主要特点是:
要点明确,范围具体,贴近生活,易于动笔。
此类试题中有较多的文字说明,实际上规定了考生表述的思路,对考生的写作范围做了较为明确的限定,试题中规定的要点一个也不能回
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