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利用微生物分解玉米淀粉生产糖浆,具有广阔的应用前景。但现在野生菌株对淀粉的转化效率低,某同学尝试对其进行改造,以获得高效菌株。实验步骤: ①配制______(填“固体”或“半固体”“液体”)培养基,...
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09全国卷Ⅱ33.10分利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现在野生菌株对淀粉的转化效
下列是有关微生物的培养与应用等问题请分析回答⑴下图是利用法进行微生物接种把聚集的菌种逐步分散到培养基
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现在野生菌株对淀粉的转化效率低某同学尝试对其
09全国卷Ⅱ7分利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现在野生菌株对淀粉的转化效率低某同
关于糖浆剂的描述正确的是
低浓度的糖浆剂特别容易污染和繁殖微生物,必须加防腐剂
蔗糖浓度高时渗透压大,微生物的繁殖受到抑制
糖浆剂是单纯蔗糖的饱和水溶液,简称糖浆
冷溶法生产周期长,制备过程中容易污染微生物
热溶法制备有溶解快,滤速快,可以杀死微生物等优点
下列是有关微生物的培养与应用等问题请分析回答1下图是利用法进行微生物接种把聚集的菌种逐步分散到培养基
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现在野生菌株对淀粉的转化效率低某同学尝试对其进行改
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景现有野生菌株但其对淀粉的转化效率低某同学尝试对其进行
关于糖浆剂的叙述正确的是.
低浓度的糖浆剂特别容易污染和繁殖微生物,必须加防腐剂
蔗糖浓度高时渗透压大,微生物的繁殖受到抑制
糖浆剂是单纯蔗糖的饱和水溶液,简称糖浆
冷溶法生产周期长,制备过程中容易污染微生物
热溶法制备有溶解快,滤速快,可以杀死微生物等优点
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现在野生菌株对淀粉的转化效率低某同学尝试对其进行改
10分利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现有野生菌株对淀粉的转化效率低某同学尝试对其
10分利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现在野生菌株对淀粉的转化效率低某同学尝试对其
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现有野生菌株对淀粉的转化效率低某同学尝试对其进行改
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现在野生菌株对淀粉的转化效率低某同学尝试对其
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现在野生菌株对淀粉的转化效率低某同学尝试对其进行改
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现有野生菌株对淀粉的转化效率低某同学尝试对其进行改
利用微生物分解玉米淀粉生产糖浆在工业生产上具有广阔的应用前景但现有野生菌株对淀粉的转化效率低某同学尝
利用微生物分解玉米淀粉生产糖浆具有广阔的应用前景但现有野生菌株对淀粉的转化效率低某同学尝试对其进行改
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—Goodmorning.I'vegotanappointmentwithMissSmithinthePersonnelDepartment. —Ahgoodmorning.YoubeMrs.Peters.
E ForgetTwitterandFacebookGoogleandtheKindle.Televisionisstillthemostinfluentialmediumaround.Indeedformanyofthepoorestregions地区oftheworlditremainsthenextbigthing——finallybecomesgloballyavailable.AndthatisagoodthingbecauseTVrevolutionischanginglivesforthebetter. Acrossthedevelopingworldaround45%offamilieshadaTVin1995;by2005thenumberhadclimbedabove60%.ThatissomewaybehindtheU.S.wheretherearemoreTVsthanpeopleandwherepeoplenoweasilygetaccesstotheInternet.Fivemillionmorefamiliesinsub-SaharanAfricawillgetaTVoverthenextfiveyears.In2005afterthefalloftheTaliban__whichhadoutlawedTV1in5Afghanshadone.Theglobaltotalisanother150millionby2013——pushingthenumberstowellbeyondtwothirdsoffamilies. Television’smostpowerfuleffectwillbeonthelivesofwomen.InIndiaresearchersRobertJensenandEmilyOsterfoundthatwhenTVsreachedvillageswomenweremorelikelytogotothemarketwithouttheirhusbands’approvalandlesslikelytowantaboyratherthanagirl.Theyweremorelikelytomakedecisionsoverchildhealthcare.TVisalsoapowerfulmediumforadulteducation.IntheIndianstateofGujaratChitrageetisapopularshowthatplaysBollywoodsongswithwordsinGujarationthescreen.Withinsixmonthsviewershadmadeasmallbutsignificant有意义的improvementintheirreadingskills. ToomuchTVhasbeenassociatedwithviolenceoverweightandloneliness.HoweverTVishavingapositiveinfluenceonthelivesofbillionsworldwide. Whatwouldbethebesttitleforthepassage.
B Manyanimalsrecognizetheirfoodbecausetheyseeit.Sodohumans.Whenyouseeanappleorapieceofchocolateyouknowthatthesearethingsyoucaneat.Youcanalsouseothersenseswhenyouchooseyourfood.Youmaylikeitbecauseitsmellsgoodorbecauseittastesgood.Youmaydislikesometypesoffoodbecausetheydonotlooksmellortasteverynice.Differentanimalsusedifferentsensestofindandchoosetheirfood.Afewanimalsdependononlyoneoftheirsenseswhilemostanimalsusemorethanonesense. Althoughtherearemanydifferenttypesoffoodsomeanimalsspendtheirliveseatingonlyonetype.Thegiantpanda大熊猫eatsonlyoneparticulartypeofbamboo竹子.Otheranimalseatonlyonetypeoffoodevenwhengiventhechoice.Akindofwhitebutterfly蝴蝶willstayontheleavesofacabbageeventhoughthereareplentyofothervegetablesinthegarden.Howevermostanimalshaveamorevarieddiet多样化饮食.Thebeareatsfruitsandfish.Thefoxeatssmallanimalsbirdsandfruits.Thedietoftheseanimalswillbedifferentdependingontheseason. Humanshaveaveryvarieddiet.Weofteneatfoodbecausewelikeitandnotbecauseitisgoodforus.IncountriessuchasFranceandBritainpeopleeatfoodwithtoomuchsugar.Thismakesthemoverweightwhichisbadfortheirhealth.Eatingtoomuchredmeatandanimalproductssuchasbuttercanalsobebadforthehealth.Choosingtherightfoodthereforehasbecomeanareaofstudyinmodernlife. Whichofthefollowingeatsonlyonetypeoffood.
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 19.
TheotherdaymybrotherTomwasbeginninghis56.______motorbikethenourneighborMarycameoutandasked57.______himifhewasgoingnearthestation.Soheofferedheralift.Shegotatthebackofthemotorbikeand58.______theydroveaway.Justbeforetheyreachedtothestation59.______apolicemanwavedtothemtostop.ExcusemesirhesaidYouarenotsittingonthatmotorbikeproperly.What’smatterwiththewayI’msittingmybrother60.______askedinsurprise.Notyousir.It’sayoungladysaid61.______thepolicemanInthiscountryside-saddle偏座isnot62.______permittedwhenonerideamotorbike.Marymadeanexcuse63.______thatshewasfromItalywhereitisn’t.consideringto64.______breakthelawwhenpeopletaketheside-saddle.Thepolicemanshookheadanddroveaway.65.______
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 17.
TheotherdaymybrotherTomwasbeginninghis56.______motorbikethenourneighborMarycameoutandasked57.______himifhewasgoingnearthestation.Soheofferedheralift.Shegotatthebackofthemotorbikeand58.______theydroveaway.Justbeforetheyreachedtothestation59.______apolicemanwavedtothemtostop.ExcusemesirhesaidYouarenotsittingonthatmotorbikeproperly.What’smatterwiththewayI’msittingmybrother60.______askedinsurprise.Notyousir.It’sayoungladysaid61.______thepolicemanInthiscountryside-saddle偏座isnot62.______permittedwhenonerideamotorbike.Marymadeanexcuse63.______thatshewasfromItalywhereitisn’t.consideringto64.______breakthelawwhenpeopletaketheside-saddle.Thepolicemanshookheadanddroveaway.65.______
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 29.
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 23.
C DanielleSteelAmerica’ssweetheartisoneofthehardestworkingwomeninthebookbusiness.Unlikeotherproductiveauthorswhowriteonebookatatimeshecanworkonuptofive.Herresearchtimebeforewritingtakesatleastthreeyears.Onceshehasfullystudiedhersubjectsreadytodiveintoabookshecanspendtwentyhoursnonstopatherdesk. DanielleSteelcomesfromNewYorkandwassenttoFranceforhereducation.Aftergraduationsheworkedinthepublicrelationsandadvertisingindustries.Latershestartedajobasawriterwhichshewasbestfitfor.Herachievementsareunbelievable:390millioncopiesofbooksinprintnearlyfiftyNewYorkTimesbest-sellingnovelsandaseriesof"MaxandMartha"picturebooksforchildrentohelpthemdealwiththereal-lifeproblemsofdeathnewhobbiesandnewschools.Her1998bookaboutthedeathofhersonshottothetopoftheNewYorkTimesbest-sellinglistassoonasitcameout.Twenty-eightofherbookshavebeenmadeintofilms.SheislistedintheGuinnessBookofWorldRecordsforoneofherbooksbeingtheTimesbest-sellerfor381weeksstraight. NotcontentwithabighousealovingfamilyandaviewoftheGoldenGateBridgeDanielleSteelconsidersherreaderstobethemostimportantresource资源andhaskeptintouchwiththembye-mail.Whilesheisoftencomparedtotheheroines女主人公ofherowninventionherlifeisundoubtedlymuchquieter.Butifshedoeshaveanythingincommonwiththemitisherstrengthofwillandherinimitable无与伦比的style.ThereisonlyoneDanielleSteel. ChildrenwhohavereadMaxandMarthapicturebooksmayknow.
—I'msorry.Thatwasn'tofmuchhelp. —Oh.Asamatteroffactitwasmosthelpful.
C DanielleSteelAmerica’ssweetheartisoneofthehardestworkingwomeninthebookbusiness.Unlikeotherproductiveauthorswhowriteonebookatatimeshecanworkonuptofive.Herresearchtimebeforewritingtakesatleastthreeyears.Onceshehasfullystudiedhersubjectsreadytodiveintoabookshecanspendtwentyhoursnonstopatherdesk. DanielleSteelcomesfromNewYorkandwassenttoFranceforhereducation.Aftergraduationsheworkedinthepublicrelationsandadvertisingindustries.Latershestartedajobasawriterwhichshewasbestfitfor.Herachievementsareunbelievable:390millioncopiesofbooksinprintnearlyfiftyNewYorkTimesbest-sellingnovelsandaseriesof"MaxandMartha"picturebooksforchildrentohelpthemdealwiththereal-lifeproblemsofdeathnewhobbiesandnewschools.Her1998bookaboutthedeathofhersonshottothetopoftheNewYorkTimesbest-sellinglistassoonasitcameout.Twenty-eightofherbookshavebeenmadeintofilms.SheislistedintheGuinnessBookofWorldRecordsforoneofherbooksbeingtheTimesbest-sellerfor381weeksstraight. NotcontentwithabighousealovingfamilyandaviewoftheGoldenGateBridgeDanielleSteelconsidersherreaderstobethemostimportantresource资源andhaskeptintouchwiththembye-mail.Whilesheisoftencomparedtotheheroines女主人公ofherowninventionherlifeisundoubtedlymuchquieter.Butifshedoeshaveanythingincommonwiththemitisherstrengthofwillandherinimitable无与伦比的style.ThereisonlyoneDanielleSteel. WecanlearnfromthepassagethatDanielleSteel.
A AskDrJeffers. ThismonthDr.Jeffersisansweringquestionsabouthumanbrainandhowitworks.DearDr.Jeffers OneofmycolleaguesFelixMoellertoldmethatscientistsarelearningtousecomputerto’readminds’.Isthereanytruthtothisstory --JaneLeonNewYorkUSA DearMs.Leon Wellalotofresearchisbeingconductedinthisareabutsofarthebrainscanningequipmentandcorrespondingcomputerprogramshaven’tbeenabletoactuallyreadthoughts.Inoneexperimenttestsubjects受试者wereconnectedtoscanningequipmentandshowntwonumbersonascreen.Theywerethenaskedtochoosebetweenaddingorsubtracting减thetwonumbers.Usingthismethodresearcherswereabletofollowbrainprocessesandmakethecorrectassumptions假设70percentofthetime.It’snotquitemindreadingbutit’scertainlyafirststep. --Dr.J. DearDr.Jeffers Mythree-year-oldsonlovesitwhenIdigmyfingersintohissidesandtickle胳肢himuntilhelaughsuncontrollably.TheotherdayInoticedhimtryingtoticklehimselfbuthecouldn’tdoit.Whynot --GlennLewisVancouverCanada DearMr.Lewis It’sbecauseofhowthebrainworks.Thebrainistrainedtoknowwhattopayattentiontoandwhattoignore.Itcausesustoignorephysicalfeelingsweexpecttohappenbutitcausesamildpanicreactionwhenthereisanunexpectedfeeling.Forexampleyoudon’tnoticehowyourshoulderfeelswhileyou’rewalkingdownthestreet.Butifsomeonecomesupbehindyouandtouchesyoulightlyontheshoulderyoumayjumpinfear.It’sthatunexpectedpartthatcausestheticklereaction. --Dr.J. AccordingtothetextJeffersisprobably.
E ForgetTwitterandFacebookGoogleandtheKindle.Televisionisstillthemostinfluentialmediumaround.Indeedformanyofthepoorestregions地区oftheworlditremainsthenextbigthing——finallybecomesgloballyavailable.AndthatisagoodthingbecauseTVrevolutionischanginglivesforthebetter. Acrossthedevelopingworldaround45%offamilieshadaTVin1995;by2005thenumberhadclimbedabove60%.ThatissomewaybehindtheU.S.wheretherearemoreTVsthanpeopleandwherepeoplenoweasilygetaccesstotheInternet.Fivemillionmorefamiliesinsub-SaharanAfricawillgetaTVoverthenextfiveyears.In2005afterthefalloftheTaliban__whichhadoutlawedTV1in5Afghanshadone.Theglobaltotalisanother150millionby2013——pushingthenumberstowellbeyondtwothirdsoffamilies. Television’smostpowerfuleffectwillbeonthelivesofwomen.InIndiaresearchersRobertJensenandEmilyOsterfoundthatwhenTVsreachedvillageswomenweremorelikelytogotothemarketwithouttheirhusbands’approvalandlesslikelytowantaboyratherthanagirl.Theyweremorelikelytomakedecisionsoverchildhealthcare.TVisalsoapowerfulmediumforadulteducation.IntheIndianstateofGujaratChitrageetisapopularshowthatplaysBollywoodsongswithwordsinGujarationthescreen.Withinsixmonthsviewershadmadeasmallbutsignificant有意义的improvementintheirreadingskills. ToomuchTVhasbeenassociatedwithviolenceoverweightandloneliness.HoweverTVishavingapositiveinfluenceonthelivesofbillionsworldwide. WhichofthefollowingisTRUEaccordingtothepassage.
D Americancitiesaresimilartoothercitiesaroundtheworld:Ineverycountrycitiesreflectthevaluesoftheculture.AmericancitiesarechangingjustasAmericansocietyischanging. AfterWorldWarUthepopulationofmostlargeAmericancitiesdecreased;howeverthepopulationinmanySunBeltcitiesincreased.LosAngelesandHoustonarecitieswherepopulationshifts转移toandfromthecityreflectthechangingvaluesofAmericansociety.Inthelate1940sandearly1950scityresidents居民becamewealthier.Theyhadmorechildrensotheyneededmorespace.Theymovedoutoftheirapartmentsinthecitytobuytheirownhomes.Theyboughthousesinthesuburbs郊区. Nowthingsarechanging.Thechildrenofthepeoplewholeftthecitiesinthe1950sarenowadults.Manyunliketheirparentswanttoliveinthecities.TheycontinuetomovetoSunBeltcitiesandolderonesoftheNortheastandMidwest.Manyyoungprofessionalsaremovingbackintocities.Theypreferthecitiestothesuburbsbecausetheirjobsarethere;ortheyjustenjoytheexcitementandpossibilitiesthatthecityoffers. Thispopulationshiftisbringingproblemsaswellasbenefits.CountlesspoorpeoplemustleavetheirapartmentsinthecitybecausetheownerswanttosellthebuildingsormakeapartmentsforsaleinsteadofrentingInthe1950smanypoorpeopledidnothaveenoughmoneytomovetothesuburbs;nowmanyofthesesamepeopledonothaveenoughmoneytostayinthecities. OnlyafewyearsagopeoplethoughthattheolderAmericancitiesweredying.Somecityresidentsnowseeabrightnewfuture.Othersseeonlyproblemsandconflicts.Onethingissure:manydyingcitiesarealiveagain. WhydidAmericancityresidentswanttoliveinthesuburbsafterWorldWarⅡ.
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 21.
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 33.
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 27.
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 25.
I'mcallingtoenquireaboutthepositioninyesterday'sChinaDaily.
TheotherdaymybrotherTomwasbeginninghis56.______motorbikethenourneighborMarycameoutandasked57.______himifhewasgoingnearthestation.Soheofferedheralift.Shegotatthebackofthemotorbikeand58.______theydroveaway.Justbeforetheyreachedtothestation59.______apolicemanwavedtothemtostop.ExcusemesirhesaidYouarenotsittingonthatmotorbikeproperly.What’smatterwiththewayI’msittingmybrother60.______askedinsurprise.Notyousir.It’sayoungladysaid61.______thepolicemanInthiscountryside-saddle偏座isnot62.______permittedwhenonerideamotorbike.Marymadeanexcuse63.______thatshewasfromItalywhereitisn’t.consideringto64.______breakthelawwhenpeopletaketheside-saddle.Thepolicemanshookheadanddroveaway.65.______
B Manyanimalsrecognizetheirfoodbecausetheyseeit.Sodohumans.Whenyouseeanappleorapieceofchocolateyouknowthatthesearethingsyoucaneat.Youcanalsouseothersenseswhenyouchooseyourfood.Youmaylikeitbecauseitsmellsgoodorbecauseittastesgood.Youmaydislikesometypesoffoodbecausetheydonotlooksmellortasteverynice.Differentanimalsusedifferentsensestofindandchoosetheirfood.Afewanimalsdependononlyoneoftheirsenseswhilemostanimalsusemorethanonesense. Althoughtherearemanydifferenttypesoffoodsomeanimalsspendtheirliveseatingonlyonetype.Thegiantpanda大熊猫eatsonlyoneparticulartypeofbamboo竹子.Otheranimalseatonlyonetypeoffoodevenwhengiventhechoice.Akindofwhitebutterfly蝴蝶willstayontheleavesofacabbageeventhoughthereareplentyofothervegetablesinthegarden.Howevermostanimalshaveamorevarieddiet多样化饮食.Thebeareatsfruitsandfish.Thefoxeatssmallanimalsbirdsandfruits.Thedietoftheseanimalswillbedifferentdependingontheseason. Humanshaveaveryvarieddiet.Weofteneatfoodbecausewelikeitandnotbecauseitisgoodforus.IncountriessuchasFranceandBritainpeopleeatfoodwithtoomuchsugar.Thismakesthemoverweightwhichisbadfortheirhealth.Eatingtoomuchredmeatandanimalproductssuchasbuttercanalsobebadforthehealth.Choosingtherightfoodthereforehasbecomeanareaofstudyinmodernlife. Wecanlearnfromthelastparagraphthat.
A AskDrJeffers. ThismonthDr.Jeffersisansweringquestionsabouthumanbrainandhowitworks.DearDr.Jeffers OneofmycolleaguesFelixMoellertoldmethatscientistsarelearningtousecomputerto’readminds’.Isthereanytruthtothisstory --JaneLeonNewYorkUSA DearMs.Leon Wellalotofresearchisbeingconductedinthisareabutsofarthebrainscanningequipmentandcorrespondingcomputerprogramshaven’tbeenabletoactuallyreadthoughts.Inoneexperimenttestsubjects受试者wereconnectedtoscanningequipmentandshowntwonumbersonascreen.Theywerethenaskedtochoosebetweenaddingorsubtracting减thetwonumbers.Usingthismethodresearcherswereabletofollowbrainprocessesandmakethecorrectassumptions假设70percentofthetime.It’snotquitemindreadingbutit’scertainlyafirststep. --Dr.J. DearDr.Jeffers Mythree-year-oldsonlovesitwhenIdigmyfingersintohissidesandtickle胳肢himuntilhelaughsuncontrollably.TheotherdayInoticedhimtryingtoticklehimselfbuthecouldn’tdoit.Whynot --GlennLewisVancouverCanada DearMr.Lewis It’sbecauseofhowthebrainworks.Thebrainistrainedtoknowwhattopayattentiontoandwhattoignore.Itcausesustoignorephysicalfeelingsweexpecttohappenbutitcausesamildpanicreactionwhenthereisanunexpectedfeeling.Forexampleyoudon’tnoticehowyourshoulderfeelswhileyou’rewalkingdownthestreet.Butifsomeonecomesupbehindyouandtouchesyoulightlyontheshoulderyoumayjumpinfear.It’sthatunexpectedpartthatcausestheticklereaction. --Dr.J. Peoplelaughwhentickledbyothersbecausethefeelingis.
Thelawyerlistenedwithfullattentiontomissanypoint.
TheotherdaymybrotherTomwasbeginninghis56.______motorbikethenourneighborMarycameoutandasked57.______himifhewasgoingnearthestation.Soheofferedheralift.Shegotatthebackofthemotorbikeand58.______theydroveaway.Justbeforetheyreachedtothestation59.______apolicemanwavedtothemtostop.ExcusemesirhesaidYouarenotsittingonthatmotorbikeproperly.What’smatterwiththewayI’msittingmybrother60.______askedinsurprise.Notyousir.It’sayoungladysaid61.______thepolicemanInthiscountryside-saddle偏座isnot62.______permittedwhenonerideamotorbike.Marymadeanexcuse63.______thatshewasfromItalywhereitisn’t.consideringto64.______breakthelawwhenpeopletaketheside-saddle.Thepolicemanshookheadanddroveaway.65.______
TheotherdaymybrotherTomwasbeginninghis56.______motorbikethenourneighborMarycameoutandasked57.______himifhewasgoingnearthestation.Soheofferedheralift.Shegotatthebackofthemotorbikeand58.______theydroveaway.Justbeforetheyreachedtothestation59.______apolicemanwavedtothemtostop.ExcusemesirhesaidYouarenotsittingonthatmotorbikeproperly.What’smatterwiththewayI’msittingmybrother60.______askedinsurprise.Notyousir.It’sayoungladysaid61.______thepolicemanInthiscountryside-saddle偏座isnot62.______permittedwhenonerideamotorbike.Marymadeanexcuse63.______thatshewasfromItalywhereitisn’t.consideringto64.______breakthelawwhenpeopletaketheside-saddle.Thepolicemanshookheadanddroveaway.65.______
atmyclassmates'facesIreadthesameexcitementintheireyes.
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 31.
D Americancitiesaresimilartoothercitiesaroundtheworld:Ineverycountrycitiesreflectthevaluesoftheculture.AmericancitiesarechangingjustasAmericansocietyischanging. AfterWorldWarUthepopulationofmostlargeAmericancitiesdecreased;howeverthepopulationinmanySunBeltcitiesincreased.LosAngelesandHoustonarecitieswherepopulationshifts转移toandfromthecityreflectthechangingvaluesofAmericansociety.Inthelate1940sandearly1950scityresidents居民becamewealthier.Theyhadmorechildrensotheyneededmorespace.Theymovedoutoftheirapartmentsinthecitytobuytheirownhomes.Theyboughthousesinthesuburbs郊区. Nowthingsarechanging.Thechildrenofthepeoplewholeftthecitiesinthe1950sarenowadults.Manyunliketheirparentswanttoliveinthecities.TheycontinuetomovetoSunBeltcitiesandolderonesoftheNortheastandMidwest.Manyyoungprofessionalsaremovingbackintocities.Theypreferthecitiestothesuburbsbecausetheirjobsarethere;ortheyjustenjoytheexcitementandpossibilitiesthatthecityoffers. Thispopulationshiftisbringingproblemsaswellasbenefits.CountlesspoorpeoplemustleavetheirapartmentsinthecitybecausetheownerswanttosellthebuildingsormakeapartmentsforsaleinsteadofrentingInthe1950smanypoorpeopledidnothaveenoughmoneytomovetothesuburbs;nowmanyofthesesamepeopledonothaveenoughmoneytostayinthecities. OnlyafewyearsagopeoplethoughthattheolderAmericancitiesweredying.Somecityresidentsnowseeabrightnewfuture.Othersseeonlyproblemsandconflicts.Onethingissure:manydyingcitiesarealiveagain. Wecanconcludefromthetextthat.
RobertMoody52isanexperiencedpoliceofficer.Muchofhisworkinvolvesdealingwith16andgang团伙problemsintheschoolsofhiscommunity.Knowingthatmanykidsoften17troublehedecidedtodosomethingaboutit.Soin1991hebegantoinvitesmallgroupsofkidstogofishingwithhimonhisday18. Thosefuntripshadan19impact.Achanceencounterin2000provedthat.Oneday20workingsecurityataschoolbasketballgameMoodynoticedtwoyoungguys21.Hesensedtroublebetweenthem.22oneofthemheadedtowardMoodyandgavehimahug."I23you.Youtookme24whenIwasinfifthgrade.Thatwasoneofthe25daysofmylife." Deeplytouchedbytheboy’swordMoodydecidedtocreateafoundation基金会that26teenagerstothebasicsoffishingincampingprograms."AsapolicemanIsaw27therewasviolencedrugswerealwaysbehindit.Theyhaveadamaging28onthekids"saysMoody. Byturningkidsontofishinghe29topresentanalternativewayoflife"Whenyou’resittingtherewaitingfora30"hesays"youcan’thelpbuttalktoeachotherandsuch31canbeprettydeep." "Talkingaboutdrugshelpedpreparemeforthepeer同龄人pressuresinhighschool"saysMichelle17who32thefirstprogram."AndIwasabletohelpmylittlebrother33drugs." Moodyfaces34inthreeyearswhenhehopestorunthefoundationfull-time."I’mlivingahappylifeandIhavearesponsibilitytomy35togiveback"Moodysays."IfIteachakidto fishtodayhecanteachhisbrothertofishtomorrow./ 35.
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