高中英语unit2theenvironmentsectionⅠwelcomet.docx
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高中英语unit2theenvironmentsectionⅠwelcomet.docx
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高中英语unit2theenvironmentsectionⅠwelcomet
SectionⅠWelcometotheunit&Reading—WarmingUp
A卷
阅读理解
A
Animalscanmovefromplacetoplace,butplantscannot.Whenananimalisunderattack,itcanrunawayorfightback.Plantscertainlycannotrunaway,andtheylackteethandclaws.Butplantscandefendthemselvesbyusingbothphysicalandchemicalmeans.
Someplantshavetheirownwaystokeepanimalsaway.Forexample,theleavesofthehollyplanthavesharpspines(刺)thatdiscouragegrasseatinganimals.Hollyleavesonlowerbrancheshavemorespinesthanleavesonupperbranches.Thisisbecausethelowerleavesareeasierformostanimalstoreach.
Someplants,suchastheoaktree,havethickandhardleavesthataredifficultforanimalstoeat.Somegrassmaycontainasandymaterial;eatingsuchgrasswearsdowntheanimal’steeth.
Manyplantsalsohavechemicaldefenses.Someplantsproducechemicalsthattastebitterorcauseanunpleasantreaction.Someplantsmayfightagainstanattackbyincreasingtheproductionofthesechemicals.Whenacaterpillar(毛虫)bitesatobaccoleaf,theleafproducesachemicalmessenger.Thismessengersendstotherootstheinformationtoproducemorenicotine.Thehigherlevelsofnicotinediscouragethecaterpillar.
Manyplantsdependonbothphysicalandchemicaldefenses.AcertainplantinChina,forinstance,hasprickly(多刺的)leaves,andeachpricklecontainspoisonousvenom(毒液).Asingleexperiencewiththiskindofplantwillteachananimaltostayawayfromitinthefuture.
【解题导语】 本文主要介绍了植物的一些防御外敌侵犯的方法。
1.Thehollyplanthasmorespinesonthelowerleavesbecausemostanimals________.
A.arenottallenough
B.likethelowerleavesonly
C.arenotcleverenough
D.cangetthelowerleaveseasily
D 解析:
细节理解题。
文章第二段介绍,冬青植物底部的叶子刺更多是一种自我保护手段,因为底部的叶子容易被动物吃掉。
2.Todefendthemselves,oaktreesuse________.
A.chemicalmeansB.physicalmeans
C.bitterchemicalsD.sandymaterials
B 解析:
细节理解题。
由文章第三段可知,橡树是采取“物理”手段保护自己。
3.Howdoestobaccoprotectitselfagainstanattackfromacaterpillar?
A.Itsleavesfightagainsttheattackbyphysicalmeans.
B.Itsrootssendamessengertodiscouragethecaterpillar.
C.Itsrootsincreasetheproductionofnicotinewhenitisattacked.
D.Itsleavesproducepoisonoussandtodrivethecaterpillaraway.
C 解析:
细节理解题。
文章倒数第二段介绍,当“烟草”受到毛虫袭击的时候,它会传送信息到根部,增加“尼古丁”的含量。
4.Whatwouldbethebesttitleforthispassage?
A.PlantsandAnimals
B.HowPlantsDefendThemselves
C.AttacksandDefenses
D.HowAnimalsEatPlantLeaves
B 解析:
标题归纳题。
从文章介绍的“植物受到动物攻击时采取自我保护或防御手段”可得出答案。
B
Afewyearsago,Ireadaboutaneightyearoldgirlwhostudiedelephantpoaching(偷猎)inschoolandmadeaposterforherlocalgrocerystore.Thesloganread,“Savetheelephants.Don’tbuyIvorySoap,ortheywilldieout.”Whatthegirlhaddonetaughtmealesson.Sincethen,Ihavelookedateightyearoldsinadifferentway.Asanenvironmentaleducator,Iusedtoteacheightyearoldsabouttheharmofelephantpoaching,rainforestdestruction,andglobalwarming.Ihadadegreeinnaturalscience—butnotinchilddevelopment.WhatdidIthinkIwasaccomplishingbyputtingmyenvironmentalconcernsontheshouldersofkidswhostillbelieveinfairytales(童话故事)?
Kidsdevelopthefearofnaturewhentheirprimarycontactwiththenaturalworldishearingbadnewsabouttheenvironment.IfIwantedtoinspireconservationaction,Ineededtochangemyways,buthow?
IcameacrosssomeresearchbypsychologistLouiseChawla.Shewantedtoknowwhathadgoneoninthechildhoodsofadultswhoaregoodenvironmentalcitizens.Shefoundtwothingsmostcommon.Theyhadfreetimetoexploretheriversorwoodsdownthestreet,andtheyhadanadultintheirliveswhowasenthusiasticaboutthenaturalworld.Iunderstandnowthatwhatturnedmeintoagoodpersontodaywasachildhoodspentplayinginthefieldandhavingadadwhoknewthatfindingalobster(龙虾)underarockwasbetterthanfindingtreasure.
Sothat’swhatIwasdoingwhenIwaseightyearsold—lookingunderrocks,climbingtrees,andpickingwildflowers.Ididn’tknowathingabouttheCleanAirActthatwasbeingdebatedincongressatthattime.Ididn’thearalotofenvironmentalproblems.ButIbuiltarelationshipwithnatureandIgrewuptocare.NowItreatmyownkidslikethechildIwas.Mykidsturnoffthewaterwhentheybrushtheirteethandturnoffthelightswhentheyleavearoom.
【解题导语】 人类赖以生存的大自然正在被严重破坏,保护环境应该从孩子抓起,帮助孩子从小建立与自然的关系。
5.Whatcanbeinferredfromthefirsttwoparagraphs?
A.Theauthorfeltveryproudofherself.
B.Theauthortookactiontosavetheelephants.
C.Theauthorthoughtherteachingwasafailure.
D.Theauthordoubtedthenaturalscience.
C 解析:
推理判断题。
根据第一段中的WhatdidIthink...believeinfairytales(童话故事)?
以及第二段中的Ineededtochangemyways可知,作者认为自己的教育方法是不可取的。
6.Howdochildrenreactwhenlearningaboutenvironmentalproblems?
A.Theytendtoignoretheproblems.
B.Theybecomescaredofnature.
C.Theyhatetolearnnaturalscience.
D.Theywanttohelpsolvetheproblems.
B 解析:
细节理解题。
根据第二段中的Kidsdevelopthefear...badnewsabouttheenvironment.可知,让孩子们了解了环境问题会导致他们对大自然产生恐惧。
7.Theauthormentionstheresearchinordertoshow________.
A.howtohaveahappychildhood
B.whatthebestwaytogetclosetonatureis
C.howtochangechildren’sbadbehavior
D.whatmakeschildrencareabouttheenvironment
D 解析:
细节理解题。
根据第二段中的Shewantedtoknowwhat...environmentalcitizens.可知,该研究主要解释了是什么影响了孩子,让他们长大后为保护环境出一份力。
8.Whatismainlydiscussedinthepassage?
A.Theharmofhuntinganimals.
B.Thecausesofenvironmentalproblems.
C.Theimportanceofencouragingkidstoprotectnature.
D.Therightmethodsofdevelopingchildren’sideaofnature.
D 解析:
主旨大意题。
本文主要阐述了教育和环境保护之间的关系,作者通过实例论述了一个道理:
让孩子拥有环保思想的正确教育方式不是让他们感到害怕,而是让他们心中充满对大自然的爱。
C
MostAmericansseemtohaveastrongdesireforvarietyintheirdiets,judgingbythepopularityofforeignrestaurants.Butthoughmanypeoplewouldbewillingtosampleacurry(咖喱)dishfromIndia,arealHungariangoulash(红烩牛肉),orevenJapanesesushi(寿司),veryfewwouldwanttoenjoyakindoffoodthatispopularinmanycountries:
insects.
Eatinginsectsactuallyisobviouslyreasonable.Therearecertainlyenoughofthemaround,andthoughmostaretoosmalltobotherwith,manygrowtoarespectablesizeorindensegroupsthatcanbeeasilyharvested.Theyareverynutritious.Afterall,manybirdsandmammalstakeindietsconsistingofnothingbutinsects.Andsinceinsectscontainafairamountofsalt,theyarealreadywellseasoned.Indeed,inthosecountrieswhereinsectsareeaten,theyareusuallyconsideredverydeliciousfood.Caterpillars(毛毛虫)areapopulardishinMexico,wheretheyarefriedandservedunderthenameof“agaveworms”;andchocolatecoveredbeesandantsarefavoritecandiesinSwitzerland.
Itisunlikelythatcannedgrasshoppers(蚱蜢)willbecomepopularinAmericainthenearfuture,butwhoknows?
Perhapsinyearstocomepeoplewillridthemselvesoftheirprejudice(偏见)againstinsectsandwillfindthemselvesgoingouttodigforgrubsaseagerlyasothersnowgoouttogathermushrooms.
9.ThewriterbaseshisopinionthatmostAmericanslongfordifferentkindsoffoodonthefactthat________.
A.fewAmericanslovetoeatinsects
B.theycansampledifferentkindsofforeigndishes
C.foreignrestaurantsarepopularintheU.S.
D.theywillcometolikeeatinginsects
C 解析:
细节理解题。
从文章首句“MostAmericansseemtohaveastrongdesireforvarietyintheirdiets,judgingbythepopularityofforeignrestaurants.”可知。
10.Manypeopleloveeatinginsectsbecause________.
A.theydonotcontainpoison
B.theyareverysmall
C.theyliveingroups
D.theycontainnutrition
D 解析:
细节理解题。
第二段中提到了吃昆虫的各种理由。
其中一条就是“Theyareverynutritious.”,据此可知本题答案为D。
11.Theunderlinedword“grubs”inthelastparagraphrefersto________.
A.akindofinsects
B.ausefultoolforcatchinginsects
C.anexpertincatchinginsects
D.akindofplantsthatcanbeeaten
A 解析:
词义猜测题。
根据前文,我们可以知道,随着人们对昆虫的种种偏见的消除,人们会喜欢上吃昆虫,因而会像外出采蘑菇一样去寻找“昆虫”。
12.Whichofthefollowingwouldbethebesttitleforthispassage?
A.AmericanRestaurantsB.InsectsforFood
C.ReturntoNatureD.ChangeonFood
B 解析:
标题归纳题。
通读全文,我们可以看出,本文主要讲述的是世界上不少地方将昆虫作为食物。
第二段的第一句话就是本文的主题句。
七选五
Weallhavenegativevoiceinsideofusthattellsustostaystillandnottogotoworkout.1.________Herearesomestepstohelpyouovercomeanddefeatthenegativevoiceinyourhead.
Admititspresence.Foraslongaswecanremember,theinnervoicehasalwaysbeenthere.2.________Onceyoumakeyourselfawarethatitisthereandwhatitdoestoyou,thenyouareinabetterpositiontodealwithitcorrectly.
3.________Wheneveryoucatchthevoicetellingyousomethingnegative,replaceitwithsomethingpositive.Forexample,whenyouaresupposedtogotoworkout,butthatvoicesays“No,we’recomfortablehere,andlet’snotmove”,youcanreplaceitrightawaywith“Yes,Icandoit,andIamdoingit!
”
Changeyourvocabulary.Thelittlenegativevoicedidn’tcomeoutofnowhere.4.________Whatyouneedtodoischangeandremovecertainwordsfromyourspeechandthoughts.Replace“can’t,won’t,would,might”withclearpositiveactionssuchasIwill,Ican,Ihave,Iwant.
Speakoutloud.Aloudandclearvoiceismorelikelytoovercomeaninnervoice.Sosilencethenegativevoicebyexpressingoutloudwhatyoutrulywantandwhat’sbestforyou.Hearingyourselfsayoutloudlike“Iamgoingtothegym.”or“Icanfinishmytask.”isveryinspiring.5.________
A.Turnitintoclearexpressions.
B.Drownitwithpositivethoughts.
C.Sowemustacceptthefactthatitdoesexist.
D.Ithasbeentrainedtoputthingsintocertainwords.
E.Butpeopleneedtotakesomemeasurestogainexcitedfeelings.
F.Itmayeventellusthatwearenotgoodenoughtod
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