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家蚕是二倍体，雄蚕含有两条同型的性染色体ZZ，雌蚕含有两条异型的性染色体ZW。正常情况下，雌蚕在产生卵细胞过程中含有2条Z染色体的细胞名称是______。为了提高蚕丝的产量和品质，可以利用家蚕杂交过程...
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家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个异型的
家蚕是二倍体生物含56条染色体ZZ为雄性ZW为雌性幼蚕体色中的有斑纹和无斑纹性状分别由Ⅱ号染色体上的
10分家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个
家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个异型的
家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个异型的
家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个异型的
家蚕是二倍体体细胞中有28对同源染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个异
家蚕是二倍体生物含56条染色体ZZ为雄性ZW为雌性幼蚕体色中的有斑纹和无斑纹性状分别由Ⅱ号染色体上的
家蚕原产于我国是丝绸原料的主要来源相传三千多年前我们的祖先就开始养蚕取丝它在人类经济生活及文化历史上
家蚕是二倍体生物含56条染色体ZZ为雄性ZW为雌性幼蚕体色中的有斑纹和无斑纹性状分别由Ⅱ号染色体上的
家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个异型的
家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个异型的
家蚕是二倍体雄蚕含有两条同型的性染色体ZZ雌蚕含有两条异型的性染色体ZW 若在下图中A点将
家蚕是二倍体生物含56条染色体ZZ为雄性ZW为雌性幼蚕体色中的有斑纹和无斑纹性状分别由Ⅱ号染色体上的
家蚕是二倍体生物含56条染色体ZZ为雄性ZW为雌性幼蚕体色中的有斑纹和无斑纹性状分别由Ⅱ号染色体上的
家蚕是二倍体雄蚕含有两条同型的性染色体ZZ雌蚕含有两条异型的性染色体ZW家蚕中Dd基因位于Z染色体上
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家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两上异型的
家蚕是二倍体雄蚕含有两条同型的性染色体ZZ雌蚕含有两条异型的性染色体ZW在家蚕的一对常染色体上有控制
家蚕是二倍体体细胞中有28对染色体其中一对是性染色体雄蚕含有两个同型的性染色体ZZ雌蚕含有两个异型的
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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.
Becauseoftheheavytrafficitwasalreadytimeforlunchbreakshegottoheroffiee.
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.______
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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