2026外研版八年级英语下册单元测试卷Unit 5

Unit5Lookingintonature单元测试卷

一、单项选择(io分，每题1分)

()1.Scientistshavefoundthatdinosaursfeathers,thankstoapieceofamber.

A.haveB.hadC.willhaveD.arehaving

()2.一Doyouknowambercanhelpusdiscover?

—Itcantelluswhethersomespecieshavechangedovertime.

A.whatB.ifC.whetherD.that

()3.Peopleusedtobelievethatantsfromthenorthemhalfoftheearth.

A.comeB.cameC.willcomeD.arecoining

()4.—IwonderWangWencaispentinwildmountainsandforests.

一Over70years.Hedevotedhislifetostudyingplants.

A.howlongB.howfarC.howmanyD.howmuch

()5.Amberasawindowonthepast.Ithelpsusunlocknature'ssecrets.

A.isregardedB.regardsC.regardedD.willberegarded

()6.Thediscoveryofthenewantspeciesoldbeliefsaboutthehistoryofants.

A.changedB.changesC.willchangeD.ischanging

()7.―CouldyoutellmetheboilingriverintheAmazonRainforestishot?

一Becauseofspecialnaturalconditions.

A.whatB.whyC.howD.whether

()8.WangWencaididn'tstophisresearchhelostsightinhisrighteye.

A.becauseB.althoughC.soD.if

()9.Morethan300unknownspeciesbyscientiststhroughambersofar.

A.havediscoveredB.discoveredC.havebeendiscoveredD.willbediscovered

()1().一I'mnotsureweshouldputmoreeffortintoamberresearch.

-Ofcourseweshould.Itcantellusmoreaboutnature.

A.thatB.ifC.whatD.who

二、按要求完成句子（10分，每题2个空，每个空1分）

I.Peoplebelievedthatdinosaurslookedlikehugelizards.(改为否定句)

Peoplethatdinosaurslookedlikehugelizards.

2.Ambercantelluswhelherdinosaurshadfeathers.（对划线部分提问）

_________ambertellus?

3.WangWencaidiscoveredabout1,370newplantspecies.（改为被动语态）

About1,370newplantspeciesbyWangWencai.

4.“Iwilldevotemylife（onatureexploration,"thescientistsaid.（改为宾语从句）

Thescientistsaiddevotehislifetonatureexploration.

5.Weshouldputmoreeffortintoresearch.Wecanunlockmoresecretsofnature.（合并为一句）

Weshouldputmoreeffortintoresearchwecanunlockmoresecretsofnature.

三、语法填空，阅读短文，从方框中选择适当的词并用正确形式填空（10分,

每空1分）

（prove,discover,believe,change,unlock,regard,spend,devote,carry,pass）

Natureisfullofsecretswaitingtobe.Amberisoneofthekeystothese

secrets.Forhundredsofyears,peoplethatdinosaurswerelikehugelizards.Buta

pieceofamberthattheyhadfeathers.Thisdiscoverypeople'sold

beliefs.WangWencai,agreatnatureexplorer,hiswholelifetostudyingplants.He

over70yearsinwildmountainsandforests.Evenwhenhelostsightinoneeye,

heonwithhisresearch.Hisworkthatlovefornaturecandrivepeopleto

achievegreatthings.Today,amberisstillasawindowonthepast,andnature

explorationisstillgoingon.

四、补全对话（10分，每个空2分）

A:Hi,Lucy!Ijustreadanarticleaboutamber.I.

B:Yes!Iknowambercankeeppiecesofthepast.

A:You'reright.Scientistsfoundadinosaur'stailwithfeathersinamber.2.

B:Really?That'samazing!Iusedtothinkdinosaurshadnofeathers.

A:Metoo.3.

B:Iwonderifambercantellusmoreaboutancientspecies.

A:4.Itmayhelpusdiscovermoreunknownspecies.

B:Whatothersecretsdoyouthinknaturehas?

A:I'mnotsure.5.

B:Iagree.Weshouldputmoreeffortintoexploringnature.

A.Butnowweknowwewerewrong.

B.Haveyouheardaboutitssecrets?

C.Doyoubelieveit?

D.ButIthinktherearestillmanyunsolvedmysteries.

E.Ofcourseitcan.

五、阅读理解(每题2分，共20分)

(A)

SecretsCaughtinTimeForcenturies,peoplethoughtdinosaurslookedlikehugelizards.

ButthankstoapieceofamberfromSoutheastAsia,scientistsnowknowthisiswrong.

Theyfoundadinosaur'stailwithfeathersintheamber.Amberislikeawindowonthepast.

Itcantelluswhetherdinosaurshadfeathersandprovethatlifeonearthhasalways

changed.Forexample,apieceofamberfromNorthernEuropeholdsaflower.This

speciesnolongergrowsthere,butthefindshowsitdid35millionyearsago.Sofar,more

than300unknownspecieshavebeendiscoveredthroughamber.InAfricanamber,

scientistsfound13antsofanewspecies.Thischangedoldbeliefsthatantscamefromthe

northernhalfoftheearth.Amberisstillnotfullyunderstood.Weshoulddomoreresearch

onit.Itisakeytounlockingmoreofnature'ssecrets.

根据短文内容，选择最佳答案。

()1.Whatdidpeopleusetothinkaboutdinosaurs?

A.Theyhadfeathers.B.Theylookedlikehugelizards.

C.Theylivedinamber.D.Theyweresmallanimals.

()2.Whatcanambertellus?

A.Whetherdinosaurshadfeathers.B.Howdinosaursdiedout.

C.Wheredinosaurslived.D.Whendinosaursappeared.

()3.WhatdoestheflowerinNorthernEuropeanamberprove?

A.Flowersgrew35millionyearsago.B.ThespeciesstillgrowsinNorthernEurope.

C.Lifeonearthhaschanged.D.AmberisfromNorthernEurope.

()4.Howmanyunknownspecieshavebeendiscoveredthroughambersofar?

A.13.B.35.C.300.D.Morethan300.

()5.Whatisthemainideaofthepassage?

A.Dinosaurshadfeathers.B.Amberhelpsusdiscovernature'ssecrets.

C.AntscamefromAfrica.D.Howamberisformed.

(B)

PlantsforLifeWangWencaiwasagreatChineseplantexplorer.Hewasborninearly

summerandmadeplantshislifelongpassion.Forover70years,hetravelledacrossChina

tostudythecountry'splants.Wangdiscoveredandnamedabout1,370newplantspecies.

Tocarryouthisresearch,hespentyearsinwildmountainsandforests.Once,hefell

seriouslyillduringfieldworkinYunnan,butheneverstoppedworking.At83,helost

sightinhisrighteye,buthedidn'ttellanyone.Withamagnifierinhand,hecontinuedhis

researchforanother10years.Despitehisgreatachievements,Wangcaredlittleabout

personalhonourorwealth.HereceivedtheFirstClassAwardofNationalNaturalScience

Awardstwice,buthehardlymentionedit.Hesaidtheawardbelongedtohisteam.Fora

longtime,evenhisgranddaughterdidn'tknowabouthisachievements.Wangpassedaway

at96.Whenpeoplesaidgoodbyetohim,theylistenedtoBeethoven'sPastoralSymphony,

hisfavouritemusic.Itsoftlytoldthestoryofhislovefbrnatureandlifelongexploration.

根据短文内容，选择最佳答案。

()1.HowlongdidWangWencaistudyplants?

A.For10years.B.For70years.C.For83years.D.For96years.

()2.WhathappenedtoWangWencaiduringfieldworkinYunnan?

A.Helosthismagnifier.B.Hefellseriouslyill.

C.Helostsightinbotheyes.D.Hefoundanewplantspecies.

()3.HowdidWangWencaicontinuehisresearchafterlosingsightinoneeye?

A.Withthehelpofhisgranddaughtcr.B.Byworkingwithhisteam.

C.Withamagnifierinhand.D.Bystayingathome.

()4.WhatdidWangWencaithinkoftheNationalNaturalScienceAward?

A.Itbelongedtohimalone.B.Itbelongedtohisteam.

C.Itwasnotimportant.D.Itwastoodifficulttoget.

()5.WhatcanwelearnfromWangWcncai?

A.Thelovefornaturedrivesexploration.B.Personalhonouristhemostimportant.

C.It'seasytodiscovernewspecies.D.Weshouldgiveupwhenfacingdifficulties.

六、词汇运用(每题1分，共10分)

1.Ambercan(unlock)thesecretsofnatureandshowusthepast.

2.Scientists(discover)morethan300unknownspeciesthroughambersofar.

3.Peopleusedto(believe)thatantscamefromthenorthernhalfoftheearth.

4.WangWencai(devote)hiswholelifetostudyingplants.

5.Thediscoveryofthenewspecies(change)people'soldbeliefs.

6.Amberis(regard)asawindowonthepastbyscientists.

7.Weshouldputmore(effort)intonatureexploration.

8.Theflowerintheamber(prove)thatthespeciesexisted35millionyearsago.

9.WangWencai(carry)onwithhisresearchevenafterlosingsightinoneeye.

10.Naturehasma