外研版九年级英语上册全册同步练习题及参考答案

1、九年级英语上册全册同步练习题及参考答案 九年级英语上册同步练习目录TOC o 1-5 h zModule1Wondersoftheworld3Module2Greatbooks11Module3Sportinglife18Module4Greatinventions26Module5Museums34Module6Saveourworld42Module7Australia49Module8Photos57Module9CartoonStories65Module10Fitness74Module11Population82Module12SummerinLA89 HYPERLINK l bo

2、okmark4 o Current Document 参考答案97Module2Greatbooks98Module3Sportinglife99Module4Greatinventions100Module5Museums101Module6Saveourworld102Module7Australia103Module8Photos105Module9CartoonStories106Module1Wondersoftheworld学习目标语音长句子的断句词汇wonder,band,review,ancient,composition,grade,pyramid,pupil,meeting

3、,call,listenup,event,natural,getoutof,light,reply,clear,rise,ground,below,edge,ontheedgeof,bottom,atthebottomof,side,disappear,distanee,huge,face,height语法时态复习：一般现在时，一般过去时，现在进行时，过去进行时，一般将来时和现在完成时功能用语IstheGrandCanyonthegreatestwonderinthenaturalworld?ShesingswiththebandCrazyFeet.Werehavingameeting.She

4、wenttoourschool.Itwasraining.rvewrittendownsomeideas.IlldoaninterviewwithBeckyWang.文化意识加深对中国自然和人文景观的认识；了解世界上其他一些国家的著名奇观质量检测一、词汇A根据句意及提示写出形式正确的单词。Whatyou(do)atsevenyesterdayevening?TheGrandCanyonisoneofthe(wonder)ofthenaturalworld.I(be)toXinjiangtwice.Itsreallyabeautifulplace.WhenI(arrive),itwasraini

5、ng.Someofthepyramidsareover200feetin.(high).Therainstoppedandthesun.(rise).B.用方框中所给单词的正确形式填空。quickkeepbetalkseemmakeuselaughsayhappyThebestwayoflearningaIanguageis1it.ThebestwayoflearningEnglishis2inEnglishasmuchaspossible.Sometimesyoullgetyourwordsmixedupandpeoplewillnotunderstandyou.Sometimespeopl

6、ewillsaythings3andyoucantunderstandthem.Butifyou4yoursenseofhumor,youcanalwayshaveagoodlaughatthemistakesyoumake.Dontbe5ifpeople6tobelaughingatyourmistakes.Itsbetterforpeople7atyourmistakesthanto8angrywithyou,becausetheydontunderstandwhatyou9.ThemostimportantthingforlearningEnglishis:“Dontbeafraidof

7、makingmistakesbecauseeveryone10mistakes.”二、单项选择Whenyouthecomputer?Threeyearsago.have;boughtB.had;boughtC.do;buyD.did;buyHi,Kate.Youlooktired.Whatsthematter?Iwelllastnight.A.didntsleepB.dontsleepC.haventsleptD.wontsleepDidanyonethefootballmatchyesterdayevening?Yes,wewon.A.watchB.watchedC.watchesD.wat

8、ching4.Doyouknowwhereourheadmaster?A.livingB.liveC.livesD.tolive5.Its4oclock.Theytheircompositions.A.writeB.writesC.wroteD.arewriting6.Mymothertodosomeshoppingafterwork.SoamI.A.willgoB.goesC.wentD.isgoing7.Thelittlegirlinthekindergartenwhenhermothercamein.A.cryB.criesC.wascryingD.iscrying8.Therewill

9、beaparentsmeetingtomorrow.ButmyparentscantcomebecausetheytoShandong.A.hasgoneB.havegoneC.hasbeenD.havebeen9.HasntBettycomeyet?No,Iforherfornearly2hours.A.waitB.waitedC.havewaitedD.hadwaited10.ThestoryinLondonmanyyearsago.A.washappeningB.willhappenC.happenedD.happens11.PeterwasplayingthepianowhileAli

10、ce.A.wassingingB.sangC.wouldsingD.singing.Shetoldmethatshemyauntthenextweek.A.willvisitB.wouldvisitC.isgoingtovisitD.visited.WhostakenawaymyEnglishtextbook?A.IhaveB.HehadC.ShedidD.Hetookit.Mary,couldyouhelpme?Waitamoment.I.A.readabookB.didmyhomeworkC.waswatchingTVD.amcookingdinner.DoyouknowHuangTing

11、well?Yes.SheandIfriendssincewemetinWuhanlastsummer.A.madeB.wereC.havebeenD.become三、阅读理解AHerearesixbusinesscards.Theyarethreepersons.TheyareAndrewIrvine,SandyWestandEmmaBell.Thecardsontheleftareoldonesandthecardsontherightarenew.Readthecardsandthenchoosetherightanswers.MORISONBAKER10010200FIFTHAVENUE

12、NEWYORK,NYMOREIRVINE10012250MercerStreetNewYork,NYAndrewM.Irvine.LawyerHome:12East23rdStreetNewYork,NY10010(212)555-1819(212)555-2617AndrewM.Irvine.LawyerHome:12East23rdStreetNewYork,NY10010(212)555-1819SandyA.WestAssistantSalesManager111CommercialStreetSanFrancisco,CA94109(415)772-3622Home:350Arbor

13、LaneSanFrancisco,CA94103(415)474-6188SandyA.WestSalesManager111CommercialStreetSanFrancisco,CA94109(415)772-3622Home:350ArborLaneSanFrancisco,CA94103(415)474-6188NorthernUniversityEnglishLanguageInstituteBoston,MA02115(617)264-3132EmmaB.Bell,AssistantProfessorHome:189WashingtonStreet,Apt.7ABrookline

14、,MA02115(617)347-6661NorthernUniversityEnglishLanguageInstituteBoston,MA02115（617）264-3132EmmaB.Bell,ProfessorHome:373ParkPlaceBrookline,MA02116（617）525-8054Ifyouwanttogetsomeadviceaboutlaw,youcanringthenumber.A.（415）772-3622B.（617）264-3132C.（212）555-2617D.（415）474-6188IfyouwanttovisitProfessorBells

15、home,youcangoto.A.WashingtonB.SanFranciscoC.NewYorkD.Brookline3.haventchangedtheirplacesofwork.A.SandyWestandEmmaBellB.AndrewIrvineandSandyWestC.EmmaBellandAndrewIrvineD.AndrewIrvine,SandyWestandEmmaBellBfirststartedplayingthepianowhenIwasthree.Myparentsaremusicians,sotheywerebothveryencouraging.Itw

16、astheirdream,Ithink,toraiseachildwhocouldonedaybecomeaworld-classpianist.Sotheyaskedanexpensivepersonalteachertoteachme,andIpracticedeveryday,sometimesforfiveorsixhoursatatime.Despite（尽管）thelonghoursandfrustration（挫折），Ididenjoyit,especiallyatfirst,andIwasgood.Accordingtomyparentsandmyteacher,Iwasrea

17、llyexcellent,andIwasontheroadtobecomingaprofessionalmusician,justlikemymotherandfather.Thetroublewas,myheadreallywasntinit.Myrealinterestwassomethingquitedifferentmathematics（maths）.Numberswerethethingsthatreallyshonebrightlyinmymind.Ifoundmorebeautyinamathematicalequation（相等），1toldmyparents,thanina

18、pianosonata（奏鸣曲）.SowhenIwenttocollege,Ichosetostudymathematics,notmusic.ThenIgotajob,workingasanaccountant.NowIworkwithnumberseveryday.Myparentscouldntunderstand,andevennowIguesstheyarestillangrywithme.TheysayIwastedaspecialgift.ButIstillbelievewhatIdidwasrightforme.Itcostthewritersparentsalotto.A.h

19、elphimwithhislessonsB.raisetheirsontobeanexcellentpianistC.becomeprofessionalmusiciansD.practiceplayingthepiano.Atfirstwhatthewriterdidshowedthat.hewashopefulinmusichehatedplayingthepianohedidnthaveagiftformusichelikedmathematicsbetter.Thewritersparentsfeltverysorryfortheirsonbecausetheythought.A.hi

20、sheartwasntreallyinmusictheydidntlikehisjobofanaccountanthewastedaspecialgiftD.hedidntrealizehismistakeWhichisthebesttitleofthisstory?A.NobodyUnderstoodMeB.TheRoadtoMyCareerC.MyParentsDreamD.DontBeSorryforMeCMattMasonhasseenthefutureanditsfun.Masonlikesthinkingabouthowmachinescanmakeourliveseasierby

21、doingtheworkwehate,suchascleaning.Heshowsahardfloorcleaningsystem（系统）thatsbuiltintothewall:itwillblowdirttoapartoftheroomwhereitwillbecollectedbyavacuum（吸尘器）.Thenthesystemwilldropsomecleaneronthefloorandanarmwillmop（用拖把擦）itup.“Thismaytroubleyou,”saysKara,nBMexpeisicompany.“Butyoucanprogramittocomeon

22、at3a.m.,anditwilljustwet-mopthefloorforyou.”Whenitcomestothekitchen,BruceBeihoff,anotherexpertatWhirlpool,issurethatinafewyears,robotswillbedoingmostoftheboringwork,freeingustorelax.“Morethanjustfun,futurekitchenswillbeenvironmentallyfriendly,hesays.“Anewsystemwillbebuiltinthehousewhichcanrecycleene

23、rgy（能量）lostfromyourkitchentomakethewholehomewarm.”“Thefridgewillbethecenterofthehome,”saysDanielLee,amarketexpert.Thefridgewillhaveatouchscreen（触摸屏幕）whereyoucanwatchTV,surftheInternet,checkyoure-mail,keepashoppinglistandordervegetables.“Yourfridgeisthefirstplaceyougointheandirthieglastplaceatnight,”

24、saysLee.Everwonderwhya1.9-metermananda1.6-meterwomanhavetocookmealsoncounters（工作台）ofthesameheight.“Theheightwasdecidedover50yearsago,accordingtotheheightofordinarywomen,”saysJaneLangmuir,anexpertofcookingmachines.“Buttimeshavechanged.Wehavemadeanewcounterwhereyoupressabuttonanditmovestowhateverheigh

25、tyouwant.”Atthesametime,TedSelkeratMITsCounterlabhasmadetheDishmakerwhichletsyoumakedishesandbowlsoutofplasticsathome.Aftereachmeal,thedishesarechangedstraightbackintoplastics.Howmanyinventionsarementionedinthepassage?A.Three.B.Four.C.Five.D.Six.Infuture,ifyouwanttocleanyourhouse,youwill.A.havearecy

26、clingsystembuiltinthewallB.getupearlytostartyourcleaningsystemC.useyourfridgetogiveorderstoacleanerD.leavetheworktoakindofcleaningmachine.Whatisfuturekitchenworklike?A.Terrificandrelaxing.B.Easyandinteresting.C.Enjoyableandexciting.D.Funnyandamazing.Fromthepassage,weknow.A.peoplewillhavemoreandmoret

27、imeenjoyingthemselvesB.futurekitchenscanprovidealltheenergyforourlifeeverydayC.thefridgecanbefoundinthecenterofafuturehouseD.peoplemustbeexpertatcomputerstousetheseinventions四、完形填空Mr.Kleintoldtheclassthatanewstudent.Inez,wouldjointhemsoon.He1thatInezwasdeaf.She“talked”withothersbyusingsignIanguage.M

28、r.KleinkneWasiguage,andhedecidedtoteach2studentssothattheycouldalso“talk”withInez.First,theylearnedtosigntheletters.Someletterswerehardto3.Otherletters,suchasC,wereeasierbecausetheshape（形状）ofthehandwasthesameastheshapeoftheletter.The4thingtheylearnedwasfingerspelling.Theysignedoneletterafteranothert

29、ospellaword.They5withtwo-letterwordssuchasatandon.Th&ntherdspelledFinally,Mr.Kleinshowedthat7onesigncouldbeusedforawholeword.Tomakethesignforthewordfine,apersonspreadsout（张开）thefingersononehand,8thethumb（拇指）tothechest（前胸），andmovesthehandawayfromthechest.Signingisnotjust9withthehands.Expressionsonthe

30、facearealso10Thestudentslearnedtosignaquestionmarkbyusingexpressionsontheface.WhenInezfirstenteredtheclassroom,shelooked11.Butthestudentssigned,“Goodmorning,Inez.”Shegavetheclassabigsmileandsignedbackatawonderful12W”hopedB.saidC.guessedD.thoughthisB.myC.herD.ourspellB.checkC.rememberD.writefirstB.on

31、lyC.lastD.nextmetB.startedC.agreedhelpednewerDeasierC.IongernicerBieverBDperhapsC.stillD.justjoinsB.fixesC.touchesD.ties9.madedoneC.givenD.chosenAQ.A.BimportantB.differentC.difficultD.strange11.A.seriousB.surprisedC.frightenedD.nervous.A.welcomeB.congratulationC.progressD.success五、阅读与表达阅读短文，根据其内容回答问

32、题。JasonQueallyisoneofthefastestmenintheworldonabicycle.Butdoyoureallycallthethinginthepictureabicycle?Well,yes.Jasonshuman-powered（人力的）machine,withitstwowheels,is,ofcourse,abicycle.Everyyear,averyimportanthuman-poweredbicycleraceisheldinNevada,USA.Thespeedofthebikeismeasured（测定）foronly200metres,butp

33、layerstakemorethanakilometretogettheirbikesgoingfast.JasonQueallysfastestspeedforthe200-metreracewas103.5kilometresanhour.Atthisyearsrace,Jasonfailedtoreachthefinishingline.Hewasspeedingalongataboutseventykilometresanhourwhenhebegantolosecontrol（控制）ofhisbike.Whenhetriedtoslowdown,itbegantosmoke.Soon

34、theinsideofhisbikewasfilledwithsmoke.Hecouldntsee,andhecouldntbreathe.Atseventykilometresanhour,acrash（撞击）couldbeveryserious.Jasonwasfrightened,buthemanagedtostopthebikesafely.Hewouldrepairhisbicycleandtryanothertimetobetheworldsfastestmanonabike.Betterlucknexttime,Jason.Maybeyouresurprisedthatthese

35、bikesgosoquickly,butisituseful?Itcouldbe.Carsarebecomingmoreandmorepopular,andtheyareverysafe,comfortableandeasytodrive,buttheyalsopollutetheairinourcities.Scientistsandengineersarelearningfromfastracingbikeshowtomakehuman-poweredvehicles（车辆）thatmightbeusefulfordailytravel.1.IsJasonshuman-poweredmac

36、hineabicycle?2.Howoftenisthehuman-poweredbicycleraceheldinNevada?3.DidJasonstophisbikesafelyorwashebadlyhurt?4.Whydidhelosethisyearsrace?5.Whatsthebestvehiclefordailytravellikeaccordingtothewriter?六、根据中英文提示，完成句子1他正在写一篇名为我爱北京”的作文。He“IloveBeijing2.我要采访贝基王。IllBeckyWang.天太黑，他什么也看不见。TOC o 1-5 h zItwas.提高

37、英语的最佳途径之一是参加一个英语俱乐部。OneofthebestwaystoimproveyourEnglishis.我写完作业就去看电影。Illgotoseethemovie.七、书面表达根据中文提示和英文书信内容，写一封意思连贯、符合逻辑、不少于50词的回信。（信的开头和结尾已给出，其字数不计入所完成的回信内）假如你叫李玲，是英国中学生露茜的笔友，你收到了她的电子邮件。请根据她来信的内容写一封回信。针对她的困惑，谈谈你的看法，同时提出一些建议，告诉她应该做什么，不应该做什么。DearLiLing,ThesedaysTomCruise,thefilmstar,alwayscomesintom

38、ymind.Ithinkofhimnightandday.Ijustsitinmyroomandwatchvideosofhisfilmsagainandagain.Ivewrittenhundredsofletterstohimandsente-mailstohisfanclub,butallIgetbackareonlyphotoswithhisnamesonthem.Idreamthatsomedaynimeethimandthathellfeelthesamewayaboutme.Idontwanttolearnmylessonsanymore,andnihavefinalexamsn

39、extmonth.ImthinkingofrunningawaytoHollywoodtomeethim.Canyouhelpmewiththeproblem?Yours,LucyHiLucy,Nicetohearfromyou.Yours,LiLing拓展探究阅读短文，用适当的词填空，使短文意思完整。Aterribleearthquake（地震）happenedinWenchuanonMay12,2008.1peoplelosttheirlivesandhomes.Duringthosedays,alotofstoriesabout2couldbeheard.Hereis3ofthem.Af

40、tertheearthquake,underafallenbuilding,somesoldiersfoundthata4diedinaverystrangeway.Whentheywerereadytotakeheraway,theyweresurprisedtofindthatababyinherarmswas5alive.Thebabywassleepingand6hurtatall.Betweenthedeadmother7thelivingbaby,therewasacellphone(手机)withashort8onthescreen,“Mydearbaby,ifyoucansur

41、vive(幸存)，rememberthatIloveyou.6dyEv9ybwhentheyreadthesewords.Besidesthisstory,manyotherstoriesalsomoved(感动)usdeeply.10thesestories,weknowmoreaboutlove.Youreluckyifyourelovedbyothers.Youregreatifyouloveotherswhenyoureindanger.Module2Greatbooks学习目标语音正确朗读一般现在时被动语态的句子词7匚work,influenee,respect,wise,asfar

42、as,not.anymore,literature,millionsof,behaviour,cave,freedom,funeral,social,theme,treasure,clever,runaway,dead,pleased,alive,growup,talkabout,southern,state语法一般现在时的被动语态功能用语Shakespearesplaysareseenbymillionsofpeopleeveryyear.TodayitisthoughttobeoneofthegreatestbooksinAmericanliterature.Confuciusworksa

43、restillreadbymanypeopletoday.MarkTwianisntknownasagreatthinker.文化意识加深对中国传统文化的了解，加强对西方著名作家、戏剧家及其文学作品的了解质量检测一、词汇A根据句意及所给的中文提示写出所缺单词。Wearestill(影响)byConfuciusw。rksWhatsyour(观点)ofthisgreatbook?GonewiththeWindis(认为)tobeoneofthegreatestbooksinAmericanliterature.Compasswasinventedin(古老的)China.(山洞)ofamounta

44、infarawayTheyfoundtreasureinaB.用括号中所给单词的正确形式填空。Wearelookingforwardto(hear)fromyousoon.HuangJiguangandDongCunruiare(hero)inChina.Readerisapopular(month)magazinehere.MarkTwainisntknownasagreat(think)likeConfucius.Ithinksurfingatseais(excite).HarryPotterandtheDeathlyHallows(read)bymanyyoungpeoplealloft

45、heworld.Today,toholdtheOlympicGamesasarichprizeforacountry(consider).Moreandmoreforeign(visit)areinterestedinBeijing.Thereare(million)ofpeopleonthesquare.Duringtheschoolholidays,thechildrenenjoyedtheir(free).二、单项选择Englishbymanypeoplearoundtheworld.isspokenB.isspeakingC.speaksD.spokeManykindsofbooks,

46、newspapersandmagazinesinthislibraryarekeptB.isbeingkeptC.arekeepingD.havekeptTheenvironmentisgettingbetterandbetter.Yes.Moretreesarehereeveryyear.A.cutB.plantingC.plantedD.cuttingTheshirtfeelssoft.Whatisitof?Cotton,Ithink.A.makeB.makesC.makingD.madeStudentsareoftentoldatpeoplewhoareintrouble.A.notto

47、smileB.tosmileC.nottolaughD.tolaughBetty,youonthephone.Thankyou.A.wantB.arewantingC.arewantedD.havewanted.TheAdventuresofTomSawyerisstillbymanychildrentoday.A.readsB.readC.toreadD.reading.Theclassroomsinourschooleveryday.A.iscleanedB.arecleanedC.werecleanedD.cleaned.Thenoodlesbymymother.Wouldyoulike

48、tohavesome?A.makesB.wasmakingC.madeD.weremade.Thiskindofricetastesnice.Yes,itinnortheastofChina.A.wasgrownB.hasgrownC.isgrownD.isgrowingTravellerstousemobilephoneswhileflying.A.dontallowB.arentallowedC.wontallowD.didntallow.Fewstudentscanunderstandthesentenceuntilittwiceorthreetimes.A.explainsB.isex

49、plainedC.willbeexplainedD.hasexplained.Wontyougotothedinnertonight?IwillifI.A.willbeinvitedB.haveinvitedC.aminvitingD.aminvited.Mariaat6:30everymorningbyhermothertogetreadyforschool.A.waswokenupB.wokeupC.wakesupD.iswokenup三、阅读理解AIn1608anEnglishmannamedThomasCoryatevisitedItaly.Helikedthecountryandwr

50、otedowneveryinterestingthinghefound.Buttherewasonethingwhichhefoundthemostinteresting.InhisdiaryThomaswrote,“WhentheItalianseatmeat,theyusesmallforks.Theydonoteatwiththeirhands,becausepeopledonotalwayshavecleanhands.”BeforeleavingforEngland,ThomasCoryateboughtafewforks.AthomeThomashadadinnerpartytos

51、howtheinventiontohisfriends.Whenthesteak（牛排）wasbroughtout,hetookoutaforkandbegantoeatastheydidinItaly.Everybodylookedathiminsurprise.Whenhetoldhisfriendswhattheforkwas,theyallwantedtotakeagoodlookatthestrangething.AllhisfriendssaidthattheItalianswereverystrangepeoplebecausetheforkwasnoteasytouseatal

52、l.ThomasCoryatetriedtoprove（证明）thathisfriendswerewrong.Hesaiditwasnotnicetoeatmeatwithonesfingersbecausetheywerenotalwaysclean.Everybodygotangryatthat.DidMr.CoryatethinkthatpeopleinEnglandalwayshaddirtyhands?Andwerentthetenfingerswehadenoughforus?ThomasCoryatewantedtoshowthatitwasveryeasytousethefor

53、k.Butthefirstpieceofmeathetookwiththeforkfelltothefloor.Hisfriendsbegantolaughandhehadtotaketheforkaway.PeopleinEnglandbegantouseforksonlyfiftyyearslater.WhydidThomasCoryatebringforkstoEngland?Hewantedtosurprisehisfriends.Hebelievedthatitwasnotnicetoeatmeatwithfingers.Forkswerebeautiful.Hewantedtoma

54、kebusinesssellingforks.WhydideverybodylookatThomaswhenhebegantoeatliketheItalians?A.Theybelievedthatwasbadmanners.NobodyatemeatwithhandsinEngland.C.Everybodythoughtitwasanamazinginvention.D.Nobodyhadseenaforkbefore.PeoplewerewhenThomassaidthattheyshouldnteatmeatwiththeirfingers.A.unhappyB.sorryC.sad

55、D.worried.ThefirstpieceofmeatfelltothefloorwhenThomastookitwiththeforkbecause.A.theforkwasverydifficulttouseB.theforkwasbadC.ThomascouldnotuseitquitewellD.thesteakwastoohardBAspricesandbuildingcostskeeprising,the-it-yourself（“ldo）trend（趋势）intheU.S.continuestogrow.“Weneededfurniture（家具）forourlivingro

56、om,”saysJohnRoss,“andwejustdidnthaveenoughmoneytobuyit.Sowedecidedtotrymakingafewtablesandchairs.”Johngotmarriedsixmonthsago,andlikemanyyoungpeoplethesedays,theyaretryingtomakeahomeatatimewhenthecostoflivingisveryhigh.TheRossestooka2-weeklessonfor$280atanightschool.Nowtheybuildalltheirfurnitureandma

57、kerepairsaroundthehouse.JimHatfieldhasthreeboysandhiswifedied.Hehasafull-timejobathomeaswellasinashoemakingfactory.Lastmonth,hereceivedacarrepairbillfor$420.“wassurprisedandworriedaboutit.NowIvefinishedacarrepairclass,Ishouldbeabletofixthecarbymyself.JohnandJimarenotunusualpeople.Mostfamiliesintheco

58、untryaredoingeverythingtheycantosavemoneysotheycanfightthehighcostofliving.Ifyouwanttobecomea“dot-yourself”,youcangotoDIYclasses.Andforthosewhodonthavetimetotakealesson,therearebooksthattellyouhowyoucandothingsyourself.Wecanlearnfromthetextthatmanynewlymarriedpeople.A.findithardtopayforwhattheyneedB

59、.havetolearntomaketheirownfurnitureC.haveDIYlessonswiththeirfriendsD.nevergotoastoretobuythings2.Johnandhiswifewenttoeveningclassestolearnhowto.A.openaDIYshopB.makeorrepairthingsC.savetimeandmoneyD.improvetheirlivesWhenthewritersaysthatJimhasafull-timejobathome,hemeansJim.A.makesshoesinhishomedoesan

60、otherjobatnightdoeshisowncarandhomerepairskeepshouseandlooksafterhischildrenWhatwouldbethebesttitleforthetext?A.TheFunofDIYB.YouCanDoitToo!C.WelcometoOurDIYClass!D.JohnandJim:BelieversinDIYCSometimes,peoplearenotclearaboutwhatkindoffoodishealthy,andwhatkindoffoodmaydoharmtoourhealth.TheUSDAhasprepar