2024年高考英语复习 阅读理解之食品安全（原卷板）

10.食品安全

一、阅读理解

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Foodsafetyisimportantanditdoesn'tendatourdoor.Eatingfoodnotkeptcorrectly

couldmakeyoufallsick.Thefridgemaybeaperfectchoiceforkeepingfoodsafeandfresh,

butitisnotamagicboxtokeepallkindsoffood.Followthesetipsandleanhowtostore

foodcorrectlyinyourfridge.

Thetemperatureinthefresh-keepingareacanbedifferentfromshelftoshelf.Asa

generalrule,thehighertheshelfis,thehigherthetemperaturewillbe.Somakeuseofthese

differenttemperaturestogetthebestoutofyourfoodbystoringitontherightshelf.Tryto

putready-to-eatfoodlikeburgers,pizzaorcreamcakesontopshelves.

Themiddleshelvesaremostsuitablefordairyproducts（孚L制品）suchascheese,butter,

yogurtandeggs.Bottomshelvesarethecoldestpartofthefridge,makingthemperfectfor

storingraw（生的）meatandseafood.Somefridgeshaveafreezer（冷冻室）forkeepingthese

things,soofcoursemakeuseofthatifyouhaveone.

Keepingfoodinthefridgedoesnotkillbacteria（细菌）butitcanstopthebacteriafrom

growingfast.Bacteriacangrowquicklyintemperaturesbetween5℃and60℃.Thisiscalled

theTemperatureDangerZone.Ifyouwanttogetthemostoutofyourfood,thetemperature

inyourfridgeneedstobebetween0℃and5℃.Thefreezertemperatureshouldbebelow

-18℃.

Fruitandvegetablescanalsobestoredatroomtemperature.Trytokeeptheminacool,

dryanddarkplace,awayfromdirectsunlightorsourcesofheat.Oncecut,theyshouldbeput

inthefridge.

Everyoneshouldpayattentiontofoodsafety.Hopethesetipscanhelpyoukeepyour

foodfreshforaslongaspossible.

1.Accordingtothearticle,whichofthefollowingfoodshouldbeputonthebottomshelves?

A.keepingfoodinthefridge

B.eatingfoodintime

C.storingfoodatroomtemperature

D.washingfoodbeforestoring

3.Whatisthepurposeofthisarticle?

A.Toexplainhowthefoodgoesbad.

B.Tointroducethedifferentpartsofafridge.

C.Totelltheimportanceoffoodsafetyathome.

D.Togivesomeadviceonusingthefridge.

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ManyschoolsinChinahavesnackshops（小卖部）.Studentscangotheretoenjoya

snackandachat.However,theywillsoonbecomeathingofthepast.

Thegovernmenthasbanned（禁止）snackshopsinallkindergartens,primary,middle

andhighschoolsacrossthecountry.

Thiscausedalotofdiscussions.Manystudentsaresadabouttheban."Withoutsnack

shops,schoolwillbelessinteresting,astudentfromahighschoolsaid,"Wewon'tbeable

tohavedifferentkindsofdrinksordesserts.9,However,manyparentsshowedsupportforthe

rule."Someofthesnacksattheseshopsarecheapandoflow-quality（劣质）.Manyofthem

havelotsofsaltandsugar,whicharebadforstudentshealth.^^aparenttoldTheGlobaltimes.

"Studentsrushtoshopstobuysnacksassoonasclassisover,whichaffectstheteaching

order.

Therulealsoasksschoolstokeepaneyeonstudentsmeals.Principals（负责人）must

keeprecordofeachmealandsolveanyfoodproblemsassoonaspossible.Parentscanalso

eatwithstudentsandgivesuggestionstotheschoolonfoodsafety.

AForexample,manyparentsinAustraliavolunteerinschools,accordingtoChina

NationalRadio.Theseparents,atleast,dotheirbesttomakesurethattheirchildrencanhave

healthyfood.InJapan,primaryandjuniorhighschoolstudentseatlunchintheirclassrooms,

wheretheylearnaboutdietandnutrition（营养）andJapan'sfoodculture,reportedCityLab.

Theyalsotaketurnsservingmealstoeachother,cleaningup,andrecycling.Thishelps

childrenhave“asenseofgratitude（感恩）"，wroteNobukoTanakaandMikiMiyoshi

Japaneseschoollunchexperts.

4.Manystudentsaresadaboutthebanbecause.

A.theycan'teatintheclassroom

B.theycan'thavedifferentkindsofdrinksordesserts

C.withoutsnackshops,schoolwillbemoreinteresting

D.somesnacksatschoolwillbeexpensiveandnotveryhealthy

5.WhafsParagraph3mainlyabout?

A.People'sopinionsontherule.

B.Thecontent（内容）oftherule.

C.Whythegovernmentmadetherule.

D.Whatschoolsshoulddoaccordingtotherule.

6.FromParagraph3,weknowparentsareafterknowingthenews.

A.happyB.disappointedC.worriedD.angry

7.Whichofthefollowingsentencescanbeputinthe.

A.Someforeigncountrieshavesimilarrules.

B.Manyparentsinforeigncountriesdon'tagreewiththerule.

C.Chinesestudentshaveasenseofgratitudebecauseofthisrule.

D.Infact,manyforeigncountrieshavetheirownwaystomakestudentseathealthily.

8.Theunderlinedword"They"inthelastparagraphrefersto.

A.parentsB.principalsC.studentsD.teachers

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OnApril29,theNationalPeople'sCongress（NPC）passedanewfoodwastelawthat

willbecarriedoutimmediately,CGTNreported.Thenewly-passedlawmoreclearlydefines

（定义）foodwaste,aswellasmakescleartheresponsibilities（责任）ofbothdinersand

restaurants.

Accordingtothelaw,whenpeoplefailtomakegooduseoffoodanddrinksorthrow

themawayatwill,theyarewastingfood.However,theremightbedifferentreasonsfor

leavingfooduneaten.Forexample,studentsmightnotfinishtheirmealbecausetheydon't

thinkittastesgood.Inthissituation,schoolcafeteriasshouldimprovethetasteoftheirfood.

Ontheotherhand,restaurantsshouldnotmisleaddinerstoordertoomuchfood,either.

Otherwise,theywillfaceafineofupto10,000yuan.Restaurantscancharge（收费）dinersa

disposalfee（处理费用）iftheywastetoomuchfood,ChinaDailyreported.

Thenewlawwillensurefoodsafetyandpromotethrift（勤俭节约）."Foodthatis

wastedshouldbeusedinamuchbetterway,“saidWuZidan,aprofessoratJilinUniversity.

FoodwasteisaseriousprobleminChina.Thenewlawaimstopreventfoodwasteand

achieveoneofthegoalsoftheUN2030Agenda:ZeroHunger.Theworldisindangerofa

foodcrisis（危机）inthenext50years,accordingtoaUNreport.

9.Whatisincludedinthenewlaw?

①Acleardefinitionoffoodwaste.

②Waystodealwithleftovers（吃剩的食物）.

③Diners'responsibilities.

©Restaurants5responsibilities.

A.①②③.B.①②④.C.①③④.D.②③④.

10.Whichofthefollowingisfoodwaste?

A.Throwingawayunfinishedfood.B.Throwingawayfoodthatisn'tcooked

correctly.

C.Throwingawayfoodthatcan'tbeeaten.D.Eatinganddrinkingtoomuch.

11.Whatwillhappenifdinersleavetoomuchfoodinrestaurants?

A.Theywillbeaskedtotaketheleftoversaway.B.Theywillbecharged10,000yuan.

C.Therestaurantwillfaceafineof100,000yuan.D.Theywillhavetopaya

disposalfee.

12.WhydoestheNPCpassthenewlaw?

A.Tostopeatingtoomuch.B.Toimprovepublichealth.

C.Tocollectwastedfoodandreuseit.D.Topreventfoodwaste.

4

Accordingtoaresearchmorethan130billionpoundsofuneatenfoodgotowastein

Laura'scountryeachyear.Thatisabout30%oftheyearlyfoodsupply（供应）.Itisasadfact,

especiallywhenyouconsiderhowmanyfamiliesandhomelesspeopleareinhunger.

WhenLaurasawherschooldininghallthrowawayfoodthatwasnoteatenatallevery

day,shecameupwithanidea.Shestartedaprojecttohelpherschooldininghalltogive

awayuneatenfoodtohomelessshelters（庇护所）inhercommunity.Inthepastthreeyears,

thesameprojecthasspreadtootherschoolsandsomefastfoodrestaurantsthroughoutthe

city.TheprojectiscalledFeedFind,andhasalreadyfedthousandsofpeopleinher

city.

Howdoesitwork?Throughanapp,FeedFindmatcheslocalhomelessshelters

withschooldininghallsandrestaurantsthathaveuneatenfoodtoprovide.Whendininghalls

orrestaurantshaveuneatenfoodleft,theycanusetheapptosharetheinformationaboutthe

food.Atruckdriverworkingfortheprojectisthensenttopickitupandtakeittoashelter.

Prettycool,right?Ifsnotsurprisingthatpeopleinothercitieshavegotintouchwith

Laura,hopingthatshecouldhavedevelopsimilarprojectsfortheircommunities.

Somepeople,however,haveconcemsaboutthesafetyoftheuneatenfood.Theythink

suchfoodmaynotbecleanenough.Still,thisprojectisacleverwaytohelpsolvethe

problemoffoodwasteandithelpsthoseinneed.

13.Thenumbersinparagraph1tellus.

A.somepeoplearepoorB.thepopulationislarge

C.foodwasteisseriousD.theresearchisinteresting.

14.Laura'sprojectfirstgotfoodfrom.

A.herschooldininghallB.herfamily

C.afastfoodrestaurantD.homelessshelter

15.Theunderlinedwords"concerns“inthispassagemeans.

A.waysB.secretsC.worriesD.decisions.

16.Whichcanbethebesttitleforthispassage?

A.ADiningGuideAppB.AFoodSafetyProject

C.ADrivingServiceAPPD.AFoodSharingProject

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Everyweek,WuLin,a19-year-oldcollegestudent,willwaitatastoresellingfood

nearingitsexpirationdate（保质期），andreturntoschoolwithabagofsnacks."These

productsareusuallysoldat30%to50%offandmanyofthemarefrombigbrands.I'mreally

abigfanofthem,“shesaid.

WuisamongagrowingnumberofyoungChinesewhobuynear-expiredfood.

AccordingtoareportbyiiMediaResearch,China?snear-expiredfoodmarketwentbeyond

30billionyuanin2020and47.8percentoftheconsumerswereaged26to35.

Unlikethetraditionalthoughtthatbuyingsuchfoodispenny-pinching（吝啬的）or

embarrassing,moreandmoreyoungpeoplelikeWuregarditasawaytohelpreducefood

waste."Idon'tcaremuchaboutthedate,aslongasIcaneatthembeforetheirexpiration

dates.Itmeetsmyneedswhilesavingresourcesandprotectingtheenvironment,whichisa

goodthing,“saysWu.

Physicalstores（实体店）sellingnear-expiredfoodhavesprungup（突然兴起）incities

acrossChina.HotMaxx,achainstorethatopenedin2020inmajorChinesecities,has

increasedtomorethan200innumberacrossthecountry.Onlineshopssellingsuchfoodare

growingrapidly,too.OnTaobao,around2.1millionpeoplebuynear-expiredfoodeveryyear.

Fromafoodsafetystandpoint（观点），whichmayconcernmanyconsumers,experts

believethatsuchproductswon'tdoanyharm."Near-expiredfoodissafeandbuyingthese

productsisagoodpracticetohelppreventwasteofresources,whichshouldbeencouraged,

saysZhouYu,aprofessoroffoodnutrition（营养）andsafetyatAnhuiAgricultural

University.

17.WhatdoestheunderlinedsentenceinParagraph1mean?

A.Iamcrazyaboutsnacks.B.Ilikethisstoreverymuch.

C.Ilikebuyingnear-expiredfood.D.Tminlovewithproductsfrombig

brands.

18.TheauthormentionedthereportbyiiMediaResearchtoshow.

A.near-expiredfoodisverypopularwithallcustomers

B.youngpeoplearethemainbuyersofsuchfood

C.near-expiredfoodwasthebestsellerin2020

D.therewillbeabiggermarketforthefood

19.AccordingtoWu,buyingnear-expiredfoodisawayto.

①savemoney②saveresources

©protecttheenvironment©encouragethedevelopmentofstores

A.①②③B.①②④C.①③④D.②③④

20.WhichofthefollowingstatementsisTRUE?

A.Expertsdoesnotbelievethatnear-expiredfoodissafeandwon'tdoanyharm.

B.Mostoftheconsumerswhobuynear-expiredfoodareeldersaimingatsavingmoney.

C.HotMaxxhasincreasedtomorethan200storesinayear.

D.Theamountofconsumersbuyingnear-expiredfoodisstillincreasing.

21.Whatisthebesttitleforthepassage?

A.Successofthenear-expiredfoodbusiness.B.Advantagesofbuyingnear-expired

food.

C.Asafershoppingchoice.D.Goodtaste,nowaste.

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FoodSafety（安全）

Hi,boysandgirls.Asweallknow,foodisthemostimportantthingforpeople.Ifyou

eatunsafefoodorbadfood,youmaygetill.Sofoodsafetyisveryimportant.Herearesome

rulesforfoodsafetyyoushouldfollow.

,Beclean,behealthy.

•Don'ttouch（触碰）thefoodwithyourhandsifyouareillbecausetherearegerms（细

菌）onyourhands.Ifyouputyourhandsonit,youmaymakeyourfamilyill.

•Donotkeepraw（生的）foodoverready-to-eatfood.

•Donotusethesameknifeandcuttingboard（砧板）tocutrawfoodandready-to-eat

food.

•Keepcoldfoodat16℃orbelow（以下）.Keephotfoodat60℃orabove（以上）.

Doyouwanttoknowmoreaboutfoodsafety?DoctorPaulSmithwilltellyoumoreat

theclassat9:00thisSaturdaymorning.Cometotheschoollibraryifyouareinterested.Call

thelibraryat569-9857beforeFridaytogetaseatfortheclass.ShowyourschoolIDcard

whenyougetintothelibrary.

22.Theunderlinedwordrefersto（指代）.

A.thefoodB.thegermC.thehandD.theknife

23.PaulSmithisa.

A.cookB.nurseC.doctorD.teacher

24.YoumustmakeacallifyouwanttohavePaulSmith'sclass.

A.toknowmoreabouttheclassB.tosayyouareinterested

C.togetintothelibraryonSaturdayD.togetaseatfortheclass

25.TheclassonSaturdaymorningis.

A.forparentsB.forteachersC.forstudentsD.forlibrary

workers

26.Thepassagemainlytalksabout.

A.howtokeepfoodsafeB.howtokeephealthy

C.howtocookdeliciousfoodD.howtokeepfoodclean

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Withthedevelopmentofeconomy,people'slifehasbeenimprovedgreatly.However,

peoplearebecomingbusierandbusierwiththeirworkandstudy.Asaresult,peopledon't

haveenoughtimetocook.Thenifsnormalforthemtoordertake-outfoodbyAPP.Take-out

foodserviceappearsandyoucanseetake-outworkershereandthere.Afterordering,people

cangoonwiththeirworkwhilewaitingfortake-out.

Ontheonehand,take-outfoodbringsussomuchconvenience.Itcanalsoofferusmore

timetohavearest.

▲.Somepeoplegetsickaftereatingtake-outfood.Somanypeoplewonderifthe

take-outfoodishealthy.Sometake-outmakerscareaboutmoneymorethanthesafetyand

qualityofthetake-outfood.Someyoungpeopleseldomgooutbecauseoftheappearanceof

thetake-out.Theyeveneattake-outfoodforthreemealsaday.Manypeople,especially

youngmen,maygetlazierandlazierandtheymaybecomefatterandfatteraswell.Staying

athometoolonganddoingexercisesolittleareharmfultotheirhealth.Anditcanalsocause

somediseases.

Thoughitisconvenienttohavetake-outfoodinsteadofcookingforourselves,we

shouldn'talwaysdependonit.Goingshoppinganddoingsomecookingaregoodwaysforus

torelaxafterworkinghard.Wecanenjoythefunoftheprocess.Weoughttocookfoodas

oftenaspossible.

27.Theunderlinedword“convenience“meansinChinese.

A.麻烦B.便利C.欢乐D.苦恼

28.Whichofthefollowingcanbeputinthe▲

A.Ontheotherhand,ithassomegoodeffectsonus.

B.Ontheotherhand,take-outworkerscanmakealotofmoney.

C.Ontheotherhand,ithassomebadeffectsonus.

D.Ontheotherhand,wecansavealotoftimebyorderingtake-outfood.

29.Whatshouldwedoabouttake-outfoodaccordingtothepassage?

A.Weshouldneverordertake-outfood.

B.Onlybusypeoplecanordertake-outfood.

C.Take-outfoodservicemustbestoppedatonce.

D.Wecanordertake-outfoodifnecessary.

30.Whichofthefollowingbestshowsthestructureofthepassage?

（Para.1=①；Para.2二②；Para.3二③；Para.4=（4））

A.①;②;③④B.①②;③;④C.①;②③;④D.①②③;④

8

Followingfoursimplestepsathomecanhelpprotectyouandyourkidsfromfood

poisoning（中毒）.

#1:Washoftenunderrunningwater

★Washyourhandswithsoapbefore,whileandaftermaking

food,andbeforeeating.Alwayswashhandsafterdealingwith

uncookedmeat,seafoodoreggs.

★Washthecookingtoolsandcuttingboardswithhotwaterafter

preparingeachkindoffood.

★Washfruitandvegetablesunderrunningwater.

#2:Stopkeepingfoodtogether

Meat,seafoodandeggscanspreadgerms（细菌）toready-to-eat

foodslikebreadunlessyoukeepthemseparate.

★Keepmeat,seafoodandeggsawayfromotherfoodsinthe

fridgewhenyoustorethem.

★Useonecuttingboardformeatandseafood,andaseparate

cuttingboardforbreadandotherfoods.

#3:Cookfoodtotherighttemperature

Foodissafelycookedwhenitstemperaturegetshighenoughto

killgermsthatcanmakeyousick.Theonlywaytotellifthefoodis

safelycookedistouseafoodthermometer（温度计）.Checkingthe

colorwon'thelp.

#4:Usethefridgeinarightway

Keepyourfridgeat8℃orbelowandyourfreezer（冷冻柜）at0℃

orbelow,andknowwhentothrowfoodout.Forexample,theright

temperatureforhamisbetween0℃and8℃,oritwillgobad.

31.Whoisthetextwrittenfor?

A.Students.B.Teachers.C.Doctors.D.Parents.

32.Accordingtothetext,whichcanspreadgermsiftheyarenotkeptseparate?

A.Fruits.B.Vegetables.C.Bread.D.Seafood.

33.Whodoesthingscorrectlyaccordingtothetext?

A.Lisa,whoputsthehaminthefridgeat5℃.

B.Judy,whowashesthecuttingboardwithcoldwater.

C.Fred,whotellswhetherthefoodissafelycookedbyitscolor.

D.Jim,whodealswithmeatandbreadonthesamecuttingboard.

34.Whatistheproperwordfor#1,#2,#3and#4separately?

①Separate②Clean③Chill（冷藏）@Cook

A.①②③④B.④③②①C.②①④③D.③④①②

35.Whatisthetextmainlyabout?

A.Toolsafety.B.Foodsafety.C.Cookingskills.D.Eatinghabits.

m9il

I踹1

About50percentoffoodintheUSiswasted.Wastedfoodproducesgasthatwillcause

globalwarming,andbringsotherproblemslikeenergyemergency.Toreducefoodwaste,

peopleinthefoodpackagingindustryareaworkingtodevelopproductsforlongershelflife.

JonathanDeutsch,aprofessoroffoodscience,says,“Allfoodpackagingisdesignedto

explainthecontents,protectthequality,andmakesurethesafetyoftheproduct.9,When

packagingkeepsfoodsafeandfreshforalongertime,lesswastehappens.

Makingfoodlastlongerisnoteasybecausedifferentfoodsneeddifferentpackaging.

Fats,forexample,changewhenmeetingairandlight.Thafswhyfattyfoods,likepotato

chips,arealwayskeptinpackageswhichlightcan'tgetthrough.Andcookiesareafraidof

gettingwet.Keepingthosesnacksinafullyclosedpackagewillhelpthemstayfreshand

tastylonger.

Packagingcanextendshelflifebykeepingoutgasesintheair,likeoxygen.Oxygen

causesproblemsformanydifferentfoods.Somanyfoodpackagesaredesignedtosolvethe

airproblem.Vacuum-Sealedpackagingtakesoffanyoxygenbetweenthefoodandpackaging,

whichcanincreaseshelflifefromafewdaystoafewweeks.Modifiedatmosphere

packagingisanothersolution.Unlikevacuum-Sealedpackaging,whichtakesoffasmuchair

aspossible,thispackagingreplacestheairwitharightmixtureofgases.Redmeatneeds

someoxygentokeepitscolour,buttoomuchoxygencanmakeitgobad.Thiskindof

packagingcanextendshelflifewhilekeepingtheproducfscolour.

Whilepackagingcanhelpreducefoodwaste,peoplealsoneedtoconsiderthe

environmentalinfluenceofthepackagingitself.Scientistsareworkingtodevelopmore

propermaterials.Andmorepeoplegettoknowtheimportanceofreducingfoodwaste.

“Unlikemanyofthechallengeswefacerightnowonourplanet,"saidShuklafromFood

Winemagazine,"Foodwasteissomethingthateverysinglepersoncandosomething

about."

36.Peopleworkonfoodpackagingtomakefood.

A.producemoreenergyB.producelessharmfulgas

C.bekeptforalongertimeD.beawayfromairpollution

37.InParagraph3,thewritermentionedpotatochipsandcookiesto.

A.explainfoodmustbekeptwithoutlight

B.explainpackagingdependsonthefoodtype

C.showwastedfoodisbadfortheenvironment

D.showfoodgoesbadquicklywhengettingwet

38.Whichofthefollowingcanbethebesttitleforthepassage?

A.HowtoPackageFoodB.CreativePackagingDesigns

C.FoodWaste:CausesandSolutionsD.Packaging:AWaytoFightFoodWaste

10

Ifseasytotellwhenmostfoodshavegonebad:They'llletyouknowwithadifferent

smellorlook.Butwhatabouteggs?There?snotmuchyoucantellbysimplylookingator

smellingone.Hereareafewwaystocheckifyoureggsarestillsafetoeat.

Youcandoafloattesttoseeifyoureggsarebad.Afterenoughtimehaspassed,theegg

willhaveenoughairinsidetomakeitfloat.Fillabowlwithwater.Makesurethatthebowl

shouldbebigenoughtofullyfloodtheegg,gentlyplaceyouregginsideandseeifitgoes

downorfloats.Ifitfloats,it'soldandyoumaywanttothrowitaway.But,theUSDA'sFood

SafetyandInspectionServicesaysanoldeggmaybeperfectlysafetouse.Breaktheegginto

abowltoseeifithaschangedsmellandappearancebeforedecidingtouseorthrowit.Ifthe

egggoesdownandstandsup,thenifsnotveryfreshbutstillsafetoeat.Ifitgoesdownand

fallstoitsside,thentheeggisthefreshest.

Youcanalsoperformashaketesttoseeifyoureggsarebad.Holdaneggbyyourear

andshakeit.Ifyouhearnothing,youreggisOK.Ifyouhearsomethingmovingaround

inside,itmeanstheeggisnolongerfirmbutratheroldandwatery.However,FSISdoesnot

allowthistestforfreshness.Yourbestbetisthefloattestor,eveneasier,breakingtheegg.

Youcanbreaktheeggstoseeiftheyhavegonebad.Afresheggshouldhaveabright

yellowororangeyolkthatismoreroundedthanflat.Ifthecolouroftheyolkorwhitehas

changed,theeggisnogood.Ifyoureggslookgoodbutsmellbad,donoteatthem.

39.Accordingtoafloattest,whicheggisthefreshest?

40.Ifaneggisfirm,itisusually.

A.oldB.wateryC.smellyD.fresh

41.Theeasiestwayoftestingwhethereggshavegonebadisto.

A.lookatthemB.smellthemC.breakthemD.shakethem

42.Whatwouldthetexttalkaboutnext?

A.Whatifweeatbadeggs.

B.Wheretobuyfresheggs.

C.Howtocookmealswitheggs.

D.Whyweneedtoeataneggeveryday.

11

Biotechfoodsareproducedfromanimalsandplantsthathavebeenmadegenetically

different.Geneticalterationisnothingnew.Humanshavebeenchangingthegeneticfeatures

ofplantsforthousandsofyearsbykeepingseedsfromthebestcropsandplantingthemthe

followingyears,andbybreedingvariedkindstomakethemtastesweeter,growbigger,or

lastlonger.

Traditionalbreedersalwaysusedplantsoranimalsthatwererelated,orgenetically

similar.However,today'sgeneticengineerscantransferjustafewgenesatatimebetween

speciesthataredistantlyrelated,ornotrelatedatall.Therearesurprisingexamples:Mouse

geneshavebeenputintolettuceplantstomakeaplantthatproducesvitaminC.Mothgenes

havebeenputintoappletreestohelpitfrombeingaffectedbydiseases.Anyway,thepurpose

oftraditionalandmoderntechniquesisthesametoinsertgenesfromananimalorplantthat

carriesadesiredfeatureintoonethatdoesnot.

Q：.?

Accordingtoa2016reportfromtheNationalAcademyofSciences,“Nodifferences

havebeenfoundthatshowahigherrisktohumanhealthandsafetyfromthesegeneticfoods

(GEfoods)thanfromnon-GEones."SomeGEfoodsmightevenbesaferthannon-GEfoods.

However,manypeoplefearthatwhenmovinggenesacrosscompletelydifferentspecies,

somethingcouldgowronginthefunctionoftheinsertedgeneorthatofthehostDNA,with

thepossibilityofunexpectedhealtheffects.

Q:Canbiotechfoodshelpfeedtheworld?

AccordingtotheWHO,between250,000and500,000kidsgoblindeveryyearinshort

ofvitaminA,withhalfofthosechildrendyingoflosingtheirsight."Goldenrice”-abiotech

varietynamedforitsyellowcolor-isthoughttobeapossiblesolutiontothesufferingand

illnesscausedbyvitaminAshortage.

Otherexperts,however,holdtheoppositeopinion."Goldenricealonewon'tgreatly

reducevitaminAshortage.^^saysProfessorNestleofNewYorkUniversity.'"Whetheritwill

improvevitaminAlevelsremainstobeseen.^^

Q:Whafsnext?

Whetherbiotechfoodswillhelpgetridofworldhungerorimprovethelivesofall

remainstobeseen.Theirpossibilityisextremelylarge,yettheycarryrisks.Ifsciencegoes

onwithgreatcare,testingnewproductscompletelyandusingdependablejudgment,the

worldmayavoidthedangersofgeneticalterationwhileenjoyingitsbenefits.

43.Traditionalbreedersbredananimalorplantby.

A.keepingthegeneofthesameplanteachyear

B.usingsomerelatedplantsoranimalstobreed

C.creatingananimalorplantwithundesiredfeatures

D.transferringafewgenesatatimefromoneplanttoanother

44.Whatcanbeputtheinthe?

A.Whatexactlyarebiotechfoods

B.Howtoinsertgenesinto