安徽省淮北市相城初級(jí)中學(xué)2021年高二英語(yǔ)上學(xué)期期末試卷含解析

安徽省淮北市相城初級(jí)中學(xué)2021年高二英語(yǔ)上學(xué)期期末試卷含解析一、選擇題1.----Didyougetwhattheteachersaid?----No.Sosoftly_____thatIcouldhardlyhearher.A.spokeshe

B.shespoke

C.didshespeak

D.shedidspeak參考答案：C2.Theboyoftengivesasatisfactoryanswertotheteacher’squestion,_____justaminute.Sohe’susuallytheteacher’spet.A.thought

B.havingthought

C.andtothink

D.thinking參考答案：B解析：-ing形式短語(yǔ)作狀語(yǔ),且think(思考)表示的動(dòng)作發(fā)生于giveasatisfactoryanswer之前,故用havingthought。

3.Thelittlechildstoodonthechairtomakehimself_____taller.

A.looking

B.tolook

C.looked

D.look參考答案：D略4.As______fatheryoumustbelievethatyoumake______differencetothelivesofyourchildren.A.the;/

B.the;a

C.a;/

D.a;a參考答案：D【詳解】考查冠詞和固定用法。句意：作為一位父親，你必須相信你會(huì)對(duì)你孩子的生活產(chǎn)生很大影響。題干中泛指“一位父親”，第一個(gè)空用不定冠詞a；makeadifference有影響，該短語(yǔ)是固定短語(yǔ)，故選D。5.Ididnotseeyoursisteratthemeeting.Ifshe

,shewouldhavemetmybrotherA．hascome

B．didcomeC．come

D．hadcome參考答案：D考查虛擬語(yǔ)氣。句意：我沒(méi)有在會(huì)上見(jiàn)到你妹妹。如果她來(lái)了，她會(huì)遇見(jiàn)我哥哥的。if引導(dǎo)的虛擬條件句，與過(guò)去事實(shí)相反的假設(shè)。主句謂語(yǔ)動(dòng)詞形式would/could/might/shouldhavedone，條件從句的謂語(yǔ)動(dòng)詞形式haddone。故D選項(xiàng)正確?！军c(diǎn)睛】If引導(dǎo)的虛擬條件句

條件從句的謂語(yǔ)動(dòng)詞形式主句謂語(yǔ)動(dòng)詞形式與過(guò)去事實(shí)相反的假設(shè)haddonewould/could/might/shouldhavedone與現(xiàn)在事實(shí)相反的假設(shè)過(guò)去時(shí)(was→were)would/could/might/shoulddo與將來(lái)事實(shí)相反的假設(shè)過(guò)去時(shí)(was→were);shoulddo;weretodowould/could/might/shoulddo

本句表示與過(guò)去事實(shí)相反的假設(shè)。主句謂語(yǔ)動(dòng)詞形式would/could/might/shouldhavedone，條件從句的謂語(yǔ)動(dòng)詞形式haddone。故D選項(xiàng)正確。

6.Weappreciatethenoticethatyou_____themistakeswemadeinnewspapers.A.paid

B.paidto

C.took

D.tookof參考答案：D7._______fullpreparations,theythoughtitbettertoputoffthesportsmeettillnextweek.A.Havingnotmade

B.Nothavingmade

C.Nottohavemade

D.Tohavemade參考答案：B8.----Comeon,Maria!Youcanalsoenjoy

Iamhavingifyoucan…----Areyousuggestingmecyclingeveryday?A.asahealthylifeas

B.ashealthyalifeasC.asalifehealthyas

D.healthyasalifeas參考答案：B9.Pearl’sbrightclothesalwaysmakerher______inacrowd.A.lightup

B.callup

C.sendout D.standout參考答案：D10.---ShallIgiveyouaridesinceyoulivesofaraway?

---Thankyou.____.

A.Itcouldn’tbebetter

B.Ofcourseyoucan

C.IfyoulikeD.Ifyouareconvenient參考答案：A11.______areal-lifeincident,themovieispopularwithmanypeople.A.Basingon

B.Tobaseon

C.Beingbased

D.Basedon參考答案：D12.ThegovernmentworkreportbyPremierWenconveysavarietyofissues,andsocialjustice_____.A.incommon

B.ingeneral

C.inparticular

D.inpractice參考答案：C13.Speakingofwhatsortofsmartnessismostdesirableinhuman__________，afriendofminetoldmeastory.A.conduct

B.experience

C.custom

D.habit參考答案：A14.Hisshoesaremuddy.He

beworkinginanofficeallday.A、mustn't

B、can't

C、needn't

D、maybe參考答案：B略15.Itwas＿＿＿h(yuǎn)ecamebackfromschooltoday＿＿＿h(yuǎn)efoundhisnewbookmissing.A.when;then

B.not;until

C.notuntil;that

D.only;when參考答案：C略16.Allthestudentsmadeademandthatthey________instructionsinlearning.A．shouldgive

B．begivenC．couldgive

D．couldbegiven參考答案：答案：B考查動(dòng)詞用法。demand表示“要求，需要”，無(wú)論是作名詞還是動(dòng)詞用，后面加that從句時(shí)，要用虛擬語(yǔ)氣“should＋動(dòng)詞原形”，其中should可以省略。句意：所有的學(xué)生一致要求在學(xué)習(xí)中得到指導(dǎo)。17.Heobjectsto________thestudentsdotheirhomeworklateatnight.A.make

B.making

C.force

D.forcing參考答案：B略18.________individualplayers,wehaveagreatteambuttheproblemisthattheydon’tplayfootballtogetherwellatall.A.Ontopof

B.Bymeansof

C.Intermsof

D.Incaseof參考答案：C考查介詞短語(yǔ)。A.Ontopof在……之上；B.Bymeansof用，依靠；C.Intermsof按照，就……而言；D.Incaseof萬(wàn)一，假設(shè)。句意：就隊(duì)員個(gè)人而言，我們有一個(gè)很偉大的團(tuán)隊(duì)，但問(wèn)題是踢足球時(shí)他們根本不能很好地配合。故選C。19.TheFood-for-LifeProgrammehashelpedpeoplebysendingemergencyfoodaidtocountriesduringtimesoftrouble,

theFood-for-GrowthProgrammewhichtargetspeopleatrisk.A.sodoes

B.asdoesC.sohas

D.ashas參考答案：D考查as引導(dǎo)的非限制性定語(yǔ)從句。句中出現(xiàn)逗號(hào)，結(jié)合選項(xiàng)此處考查as引導(dǎo)的非限制性定語(yǔ)從句，代替前面的整個(gè)句子，as正如。句意：TheFood-for-LifeProgramme計(jì)劃通過(guò)在困難時(shí)期發(fā)送緊急糧食救援來(lái)幫助人們，這正如theFood-for-Growth一樣，以處于危難中的人為目標(biāo)。故選D。二、完型填空20.She’s14now,aturbulent(不安的)age.Shewalksintothe___21___.Itisnighttime,andI’mpickingherupfromanactivity,andsheis___22___.Sheusedtoalwaysbehappy.___23___it’sa50-50matter.She___24___meapictureshewantstopostontheInternetofherandafriend.Sheasksifit’sOK.I___25___herit’sOK.Idon’tknowifit’sOK;I’m___26___tryinghardtokeepupwiththerules.Sheishappy.Wesitinthecar,andtalkabout___27___.

Itispleasingforamomentnottobeaskingheraboutschoolorhomeworkorfriendsand___28___forherforamomentnottobe___29___aboutanyofit.“HeyDad,”shesays.“CanIhaveyourphone?Iwantto___30___somemusic.”“Sure,”Isay,andIgiveherthe___31___.Shepressesafewbuttons___32___-thistechnologycomessecondnaturetohergeneration.Theydon’tneed___33___.Theyjustknow.Thesongbeginsand___34___Iknow.It’sherfavorite___35___Iintroducedhertothissongawhileago.Shesingsalongtoeveryword.Idotoo.Shelooksupatmeand___36___.Herteetharestraight;thebraces(牙箍)aregone.Sheleansclosertomeandsays,“Don’tyoulovethissongDaddy?”Ihearhersay“Daddy,”andthink___37___toatimewhensheracedovertomeattheairport___38___Ireturnedfromabusinesstripseveralyearsago.She’s14now,aturbulentage.Tomorrow,shemay___39___me.Butnow,inthecoolnessoftheevening,shesmilesatme,andwe___40___together.Weareoffkey.Weareoffkeytogether.21.A.plane

B.car

C.restaurant

D.classroom22.A.happy

B.cold

C.tired

D.pretty23.A.Again

B.Thus

C.Then

D.Now24.A.brings

B.offers

C.sends

D.shows25.A.convince

B.order

C.tell

D.promise26.A.just

B.still

C.even

D.also27.A.something

B.nothing

C.anything

D.everything28.A.annoying

B.common

C.pleasing

D.valuable29.A.complaining

B.worrying

C.talking

D.writing30.A.create

B.hear

C.perform

D.record31.A.phone

B.key

C.tape

D.CD32.A.carefully

B.easily

C.proudly

D.gently33.A.opinions

B.knowledge

C.instruction

D.education34.A.honestly

B.partly

C.eventually

D.immediately35.A.song

B.activity

C.picture

D.time36.A.shouts

B.answers

C.continues

D.smiles37.A.over

B.up

C.back

D.ahead38.A.until

B.after

C.since

D.though39.A.lookthrough

B.lookat

C.lookafter

D.lookfor40.A.communicate

B.drive

C.celebrate

D.sing參考答案：21.B

22.A

23.D

24.D

25.C

26.A

27.B

28.C

29.C

30.B

31.A

32.B

33.C

34.D

35.A

36.D

37.C

38.B

39.A

40.D本文為故事類文章。作者接女兒回家的路上，看見(jiàn)女兒很高興，什么也不問(wèn)，就由著她聽(tīng)音樂(lè)，和她一起唱歌，一起享受天倫之樂(lè)?！?1題詳解】考查名詞辨析。plane飛機(jī)；car轎車；restaurant飯店；classroom教室。根據(jù)第7小題前的“Wesitinthecar,”可知“她走向轎車”，故選B?！?2題詳解】考查形容詞辨析。happy快樂(lè)的；cold冷的，冷酷的；tired疲勞的；pretty機(jī)靈的，聰明的。根據(jù)本句后的“Sheusedtoalwaysbehappy”及本段最后一句“Sheishappy”可知，“她是快樂(lè)的”，故選A?！?3題詳解】考查副詞辨析。again再，又；Thus因此；Then那時(shí)；Now現(xiàn)在。本句的時(shí)態(tài)是一般現(xiàn)在時(shí)，可知指的是“現(xiàn)在”，故選D項(xiàng)?！?4題詳解】考查動(dòng)詞辨析。brings帶來(lái)；offers提供；sends傳送；shows表明，給…看，顯露出。根據(jù)語(yǔ)境可知，是她給我看了一張她想在她和朋友的網(wǎng)上張貼的照片。showsb.sth.，意為“給某人看某物”，因此選D項(xiàng)?！?5題詳解】考查動(dòng)詞辨析。convince使信服；order命令，訂購(gòu)；tell告訴，說(shuō)出；promise允諾。根據(jù)語(yǔ)境可知，她問(wèn)我是否可以。所以“我告訴（tell）她可以”。因此選C項(xiàng)?！?6題詳解】考查副詞辨析。just剛才，僅僅，正好；still仍舊；even甚至；also也，和。根據(jù)語(yǔ)境可知，“我不知道是否還好，我只是（just）在盡力跟上她的節(jié)奏（讓她快樂(lè)）”。表示單純的目的，故選A項(xiàng)?！?7題詳解】考查不定代詞。something某特，重要的人或物；nothing沒(méi)有什么，無(wú)關(guān)緊要的東西；anything任何東西，重要的東西；everything一切，每件事物。句后的內(nèi)容說(shuō)“暫時(shí)不問(wèn)她有關(guān)學(xué)校、家庭作業(yè)或朋友的事…”，可知，此時(shí)父女倆什么也沒(méi)談，故選B項(xiàng)。【28題詳解】考查形容詞辨析。annoying惱人的；common常見(jiàn)的，共同的；pleasing令人愉快的，舒適的；valuable有價(jià)值的，寶貴的。Itispleasingforamomentnottobeaskingheraboutschoolorhomeworkorfriendsand___8___forherforamomentnottobe…本句是由and并列的兩個(gè)表語(yǔ)，因此根據(jù)前一句可知，本空應(yīng)填C項(xiàng)。【29題詳解】考查動(dòng)詞辨析。complaining抱怨；worrying擔(dān)心；talking談?wù)?；writing寫(xiě)作。根據(jù)本段的第一句“Wesitinthecar,andtalkaboutnothing”可知，暫時(shí)也不談?wù)撈渲腥魏我患?。talkabout意為“談?wù)摗?，故選C項(xiàng)?！?0題詳解】考查動(dòng)詞辨析。create創(chuàng)造，創(chuàng)作；hear聽(tīng)見(jiàn)，聽(tīng)到；perform表演；record記錄，錄音。根據(jù)下文她聽(tīng)音樂(lè)，可知，本句是指她想用手機(jī)來(lái)聽(tīng)音樂(lè)，故選B?！?1題詳解】考查名詞辨析。phone手機(jī)；key鑰匙；tape磁帶；CD光盤(pán)。根據(jù)上一段最后一句可知女兒向爸爸借手機(jī)，可知，爸爸把手機(jī)給她了，故選A?！?2題詳解】考查副詞辨析。carefully仔細(xì)地，認(rèn)真地；easily容易地，輕而易舉地；proudly自豪地；gently溫柔地。根據(jù)下一句“thistechnologycomessecondnaturetohergeneration”意為“用手機(jī)這樣的技術(shù)是她那代人的第二天性?！笨芍p而易舉地按下了幾個(gè)按鈕。故選B項(xiàng)?！?3題詳解】考查名詞辨析。opinions觀點(diǎn)；knowledge知識(shí)；instruction說(shuō)明，指令；education教育。根據(jù)上一句“thistechnologycomessecondnaturetohergeneration.”及下一句“Theyjustknow”可知，他們根本不用說(shuō)明書(shū)，故選C?！?4題詳解】考查副詞辨析。honestly誠(chéng)實(shí)地，正直地；partly部分地；eventually最終地；immediately立即，馬上。根據(jù)前文可知，女兒對(duì)于手機(jī)的運(yùn)用輕而易舉，所以按下按鈕，歌曲立即開(kāi)始播放，故選D項(xiàng)。【35題詳解】考查名詞辨析。song歌曲；activity活動(dòng)；picture照片；time時(shí)間。根據(jù)本句的上文“ThesongbeginsandimmediatelyIknow.It’sherfavorite___15___”可知，女兒放的是她最喜歡的歌曲，故選A?！?6題詳解】考查動(dòng)詞辨析。shouts喊叫；answers回答；continues繼續(xù)；smiles微笑。根據(jù)上文知道她今天很高興，及下一句“Herteetharestraight;thebraces(牙箍)aregone.”可知，笑的露出了牙。故選D項(xiàng)?！?7題詳解】考查固定搭配。thinkbackto…為固定搭配，意為“回顧，回想”，故選C?！?8題詳解】考查連詞辨析。句意：回想幾年前我出差回來(lái)后，她在機(jī)場(chǎng)跑過(guò)來(lái)找我的情景。Until一直到；after在….以后；since既然，因?yàn)?；though雖然，盡管。根據(jù)語(yǔ)境及常識(shí)可知，在爸爸出差回來(lái)后孩子就會(huì)迫不及待地看到爸爸，看到爸爸非常高興，故選B項(xiàng)?！?9題詳解】考查動(dòng)詞短語(yǔ)辨析。根據(jù)第三段的內(nèi)容可知，作者接女兒后，和女兒坐在里，看見(jiàn)女兒很高興，暫時(shí)不問(wèn)她暫時(shí)不問(wèn)她有關(guān)學(xué)校、家庭作業(yè)或朋友的事，所以只是暫時(shí)讓女兒高興。根據(jù)Tomorrow,shemay___19___me.Butnow,inthecoolnessoftheevening,shesmilesatme,中的轉(zhuǎn)折連詞but表示句意前后是相反的，可知，現(xiàn)在作者是由著女兒的，她是快樂(lè)的，但明天就不是這樣的，所以作者才會(huì)說(shuō)“明天她就會(huì)看穿了”，分析選項(xiàng)：lookat看；lookafter照顧；lookfor尋找?？芍@三項(xiàng)不符合題意，只有l(wèi)ookthrough“看穿，看透”符合題意，故選A。【40題詳解】考查動(dòng)詞辨析。communicate交流；drive開(kāi)車；celebrate慶祝；sing唱歌，唱。根據(jù)上文可知，女兒拿了手機(jī)，放了音樂(lè)，自己唱著，以及.Sheleansclosertomeandsays,“Don’tyoulovethissongDaddy?”可知，作者為了讓女兒高興，和女兒一起唱歌了，故選D項(xiàng)。21.完形填空（共20小題，小題1.5分，滿分30分）閱讀下面短文，從短文后各題所給的四個(gè)選項(xiàng)（A、B、C和D）中，選出可以填入空白處的最佳選項(xiàng)。ks5uThebookMoneyandtheMeaningofLifehasrecentlybeenwrittenbyaprofessorofphilosophy(哲學(xué)).Hehas36_____thathowwedealwithmoneyinourday-to-daylifehasmoremeaningthanweusually37____.Oneoftheexerciseshehasaskedhisstudentstodoistokeepa38_____ofeverypennytheyspendforaweek.Fromthe39____theyspendtheirmoney,theycanseewhattheyreally40____inlife.

Theprofessorsaysour41_____withothersoftenbecomesclearlydefined(明確)whenmoneyentersthepicture.You42_____havewonderfulfriendshipwithsomebodyandyouthinkthatyouareverygoodfriends.Butyouwillknowhimonlywhenyouaskhimtolendyousome43_____.Ifhedoes,itbringssomethingtotherelationshipthatseems44_____thaneverbefore.45._____itcansuddenlyweakentherelationshipifhedoesn’t.

Sincemoneyissoimportanttous,weconsiderthosewhoare46____tobeveryimportant.Theprofessor47____somerichpeopleinresearchinghisbook.

Question:Whatisthemostsurprisingthing48____havediscoveredaboutbeingrich?

Answer:Themostsurprisingthingiswhypeoplegivemesomuch49____.Iamnothing.Idon’tknowmuch.AllIamisrich.Peoplejusthaveanideaofmakingmoreandmoremoney,butwhatisit50____?HowmuchmoneydoIneedforanygiven51_____inmylife?Inhisbook,theprofessoruncoveredanimportant52____inmodernsociety:tobringbacktheideathatthemoneyisaninstrument

53____thantheend.Moneyplaysanimportant54____inthematerialworld,but55_____moneytogivehappinessmaybemissingthemeaningoflife.36.A.pointed

B.studied

C.discovered

D.noticed37.A.imagine

B.think

C.recognize

D.plan38.A.secrect

B.diary

C.promise

D.record39.A.way

B.method

C.opinion

D.attitude40.A.mean

B.value

C.get

D.make41.A.work

B.friendship

C.relation

D.union42.A.should

B.must

C.hadto

D.might43.A.cars

B.books

C.rooms

D.money44.A.stronger

B.weaker

C.worse

D.looser45.A.But

B.Otherwise

C.And

D.Then46.A.rich

B.poor

C.helpful

D.ordinary47.A.saw

B.interviewed

C.questioned

D.knew48.A.I

B.we

C.you

D.they49.A.worry

B.doubt

C.hate

D.respect50.A.about

B.against

C.for

D.at51.A.achievemant

B.result

C.purpose

D.success52.A.need

B.discovery

C.lack

D.event53.A.better

B.rather

C.more

D.less54.A.action

B.performance

C.role

D.trick55.A.demanding

B.hoping

C.getting

D.expecting參考答案：36-40CBDAB

41-45CDDAB

46-50ABCDC

51-55CABCD三、閱讀理解22.信息匹配(每題2分，滿分10分)閱讀下列應(yīng)用文及相關(guān)信息，并按照要求匹配信息。請(qǐng)?jiān)诖痤}卡上將對(duì)應(yīng)題號(hào)的相應(yīng)選項(xiàng)字母涂黑。選擇E，要同時(shí)填涂AB，選擇F，要同時(shí)填涂CD。以下是咨詢和服務(wù)部門的信息：A.CareerServices(Room113)ThestaffoftheCareerServicescenteradvisesstudentsoncareerchoicesandapplicationsforhighereducation.Theyalsohelpstudentsandgraduatesapplytheiracademicandlifeexperiencestoachievingcareerfulfillment,providethemwiththeservicesandresourcesnecessarytomakebetterinformedcareerdecisionsandhelpthemdeveloptheskillsnecessarytoprogresstheircareerplans.OpeningHours:MondaythroughFriday:8:30am-4:30pmPhone:(412)396-6644Fax:(412)396-6644B.TheAccommodationOffice(Room114)TheAccommodationOfficeistheplacetofindeverythingconcerningaccommodationduringyourstudyingatthisuniversity.Itoffersafreeadvisoryserviceandawiderangeofhandbooksandchecklistscoveringthefullrangeofhousingavailable.Inadditiontothistheofficealsooffersotherservicessuchastheallocationofplacesinlocalresidencesandtheprovisionofinformationregardingprivatelyownedaccommodation.OpeningHours:MondaythroughFriday:1:30pm-4:30pmPhone:(412)396-6754Fax:(412)396-6752C.MedicalCenter(Room115)ThestaffoftheMedicalCenteraimtoprovideconvenientandcomprehensivemedicalcaretostudentsandstaffoftheuniversity.Thecenteriswellequippedandthestaffhereistrainedtodealwithabroadrangeofmedicalproblems.Bothfemaleandmaledoctorsaswellasnursingstaffareavailableforconsultation.Alsoallkindsofmedicinesaresoldhereandarecheaperforstudentsthanotherdrugstores.OpeningHours:24hourfromMondaytoSundayPhone:(412)396-6649Fax:(412)396-6648D.Thesportsoffice(Room207)Sportandrecreationplayanimportantroleinthelivesofstudents.Theuniversityhaslotsofindoorandoutdoorsportsfacilitiesandallstudentsareencouragedtoparticipateinsomeformofsportandrecreation.Thisofficecanprovideinformationaboutsportingandactivitiestokeepyoufit.OpeningHours:MondaythroughFriday:7:00am-10:00pmPhone:(412)396-6877Fax:(412)396-6876E.Foodservice(Room127)Tastynutritiousmealsandawidevarietyofsnacksareavailablefromthecafeteriasoncampus.Maybeyouarenotfamiliarwithdifferentcafeteriashereandfinditdifficulttogetagoodmeal.Don’tworry!TheFoodServicecanprovideyouwithspecificinformationonthefoodavailablehereandoffersmealplansbasedonyourindividualneeds.OpeningHours:MondaythroughFriday:2:30pm-5:30pmPhone:(412)396-6899Fax:(412)396-6890F.Library(Room215)Therearevariousbooksandreferencematerialsineverysubjecthereincludingliteratureartandmath.Besidesbookstherearealsophoto-copyingvideoaudio-visualandcomputingfacilities.Ourcollectionisbigandourmaintaskistohelpyoursolveproblemsonmakinguseofthelibrary.OpeningHours:MondaythroughFriday:8:30am-5:30pmPhone:(412)396-6312Fax:(412)396-6706

以下是大學(xué)新生的信息，請(qǐng)匹配大學(xué)新生與他們要選擇的服務(wù)部門：56.Richardisaforeignstudentmajoringinmedicine.Hecanadjusthimselftotheweatherbutheishavingalotofdifficultiesingettingusedtothedietatthecollegecafeterias.57.Johnisfondofsports.Heplaysfootballeveryday.Unfortunatelyheinjuredhislegwhilehewasplayingthismorning.Heurgentlyneedssomemedicalhelp.58.LucyisanewstudentfromWashingtonandsheoftenarrivesatthecollegelatesinceshelivesfarawayfromtheuniversitysoshedesperatelyneedstofindanewplacetolivein.59.Aliceisgoingtoleaveuniversitynextyear.Sheispreparingherpapersandhastodoalotofresearch.Shewouldliketofindbooksonliteratureandlearnhowtousetheaudio-visualfacilities.60.Rosemarystudiesinthedepartmentofcomputerscience.Sheisreallyinterestedinthisfieldsosheplanstobeengagedinthisboomingindustryafterhergraduationbutbeforeshemakesafinaldecisionshewantstoconsultexperiencedteachers.

參考答案：56-60ECBFA略23.

Britain’sseedbank,theonlyoneintheworldaimingtocollectalloftheplanet’swildplantspecies,hasreacheditsgoalofbanking10percentby2010.TheMillenniumSeedBankProject,runbyKewGardens—oneoftheoldestbotanicalgardens—willofficiallydepositthe24,200thspeciesonThursday,apink,wildbananafromChina.Morethan50countriesarenowonboardwithKew'sgianttaskbutvastplacesoftheglobe,includingIndiaandBrazil,stillneedtojoininanddonateseeds,directorPaulSmithsaid.

Theseedbankisoneofthelargestandmostdiverseintheworldwithmorethan1.5billionseeds.Itsgoalistohelpprotecttheplanet’sbio-diversityduringatimeofclimatechange.Thewildbananaseedisunderthreatofextinction(滅絕)insouthwestChinafromagriculturaldevelopment.ItisavitalfoodsourceforAsianelephantsandimportantforgrowingbananasforhumanconsumption.Storedatminus-20degreescentigrade,sotheycanlastforthousandsofyears,theseedsawaitthedaythatscientistshopenevercomes—whenthespeciesnolongerexistinthewild.Itisaraceagainsttime,Smithsaid,becauseinthelastdecadealone,20plantsheldinthebankhaveal