高中英语动词的时态Word文件下载.docx

高中英语动词的时态Word文件下载.docx

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D.

（1）

（2）（3）（4）

chromosome

Genesequencechange

a

123-123.

b

c

11654-11654.

ding

123-45676789

2.Fliesonachromosome,theorderofthenormalgeneis123-456789,"

-"

representsthecentromere,expressedinthetablebythechromosomemutationgenesequencechange.Thenarrativeiswrong（）

A.AistheresultofthechromosomesegmentsofAcertainpositionupsidedown

B.Bistheresultofthechromosomesegmentsofamissing

C.Cistheresultofthecentromerechromosomeschange

D.readingistoincreasethesegmentsofachromosome

3.Commonishexaploidwheat,42chromosomes,scientistsuseantherinvitrocultureofwheatseedlingsare（）

A.triploid,21chromosomes

C.triploid,threechromosomes

B.thehaploid,21chromosomes

D.thehaploid,agenome

4.Thefollowingsituation,belongtothechromosomevariationis（）

（1）inpatientswithdown'

ssyndromecellschromosome21inarticle3

（2）thecorrespondingpartofthecrossexchangebetweenchromosomes

（3）chromosomenumberincreaseordecrease（4）grownplantsafterantherinvitroculture（5）thefreecombinationbetweenhomologouschromosomes

6onchromosomeDNAbasepairofadd,missingalllandownersthecatcallsyndromepatientscellschromosome5shortarmismissing

A.（4）（5）6.

B.（3）（4）（5）alllandowners

C.

（1）（3）（4）（5）alllandowners

D.

（1）（3）（4）alllandowners

5.Thecellscontainedinthechromosomes,asseenhereisnotcorrect（）ofthefollowingstatements

A.arepresentativeorganismsmaybediploid,itseachgenomecontainsachromosome

B.brepresentativeorganismsmaybediploid,itseachgenomecontainsthreechromosomes

Arthurc.representativeorganismsmaybediploid,itseachgenomecontainsthreechromosomes

D.drepresentativeorganismsmayishaploid,itseachgenomecontainsfourchromosomes

6.AsshowninfiguresaidAaBbricehaploidbreedingprocess,thefollowingstatementisnotcorrect（）

A.thepollenbredofdiploidricegenotypesofaaBB

B.thehaploidbreedingthancrossbreedingtimeisshort

C.a.aBbricebythehaploidbreedingonlyshowedtwodiploidricewater

D.withoutcolchicinetreatmentinvitroMiaoChangChengplantheightofinfertility

7.Ofmalignantichthyosisnormalmenandwomenmarry,theyaresick,thesonofhisillness,grandson,granddaughterisnotsick,aresickofmalignantichthyosisgeneticwayasthe（）

A.autosomaldominantinheritance

C.Xchromosomerecessive

B.Xchromosomedominantinheritance

D.Ysexchromosomesgenetic

8.Hereisthefamilytreeofgeneticdisordersofprogressivemusculardystrophy,thediseaseisrecessivesexlinkedgeneticdisorders,Ⅲ1diseasegenesfrom（）

A.Ⅰ1

C.Ⅰ3

B.Ⅰ2

D.Ⅰ4

9.Withhomozygousdiploidricevarietieshighstemrustresistance（DDTT）andstemrustresistancebreeding（DDTT）,akindofmethodisgetF1hybrids,inF1andF2;

AnothermethodistouseanF1antherforinvitroculture,reoccupycolchicinetreatmentplantseedlingschangeaccordingly.Therightofthefollowingstatementsis（）

A.theformermethodofF2inrestructuringhomozygoustype,each5/8,1/4

B.theformermethodoftheproceedsoftheplantcanbeusedintheproductionoftypesinproportionto2/3

C.theprincipleoftheformermethodisgeneticrecombination,reasonishomologouschromosomesfreecombination

D.thelattermethodistheprincipleofthechromosomevariation,isduetothechromosomestructurechange

10.ThefollowingaccountofDNAligaseiscorrect（）

A.d.NAligaseconnectionisthehydrogenbondsbetweenthetwochainbasepairs

B.DNAligaseconnectionisstickyendtwochainsonthemainchainofphosphoricacidandDNA

C.DNAligaseconnectionisstickyendtwochainsonthemainchainofphosphoricacidandRNA

D.thesameDNAligasecancutoutdifferentstickyend

11.Thefollowingconcerningthedescribeofplasmid,thecorrectis（）

A.plasmidisoneofthewidelyexistinthebacterialcellgranularorganelles

B.plasmidisbacterialcellsthatcanbeindependentreplicationofsmallcircularDNAmolecules

C.plasmidonlyaftertheinvasionofhostcellreplicationinhostcells

D.bacterialplasmidreplicationprocessmustbeindependentlyinthehostcell

12.Maybetherearesomesecurityissues,geneticengineeringproductsbutdon'

thavetoworryabout（）

A.triploidtransgeniccarpwithnormalcarp,resultinginnaturalpopulations

B.vectormarkergenesmayguidancesynthesisforresistantproductsofevolution

C.theproductofthegeneencodingitselfmaybetoxictothehumanbody

D.thepurposegenetransferthroughpollenspreadtootherplants,whichcouldbreaktheecologicalbalance

13.Inguineapig,blackonwhiteisdominant.If90%isthedominantgeneBinthegenepool,10%isarecessivegene,BpopulationsBB,BB,BBgenotypefrequencywere（）

A.81%,18%,1%

C.18%,81%and1%

B.45%,40%and15%

D.45%,45%and10%

14.ModernevolutionarytheoryofDarwin'

snaturalselectiontheperfectionanddevelopmentofperformancein（）

1）mutationandgeneticrecombinationintheevolutionofrawmaterials

（2）isthebasicunitoftheevolutionarypopulation

（3）naturalselectionisachievedbythestruggleforlife（4）decidedtothedirectionofthebiologicalevolutionbynaturalselection

（5）theessenceofbiologicalevolutionisthechangeofgenefrequency6segregationresultsintheformationofspecies

7）thesurvivalofthefittest,unfitpersonout

A.2.5.6.

B.

（2）（3）（4）6.

C.

（1）

（2）5）6.

D.

（1）

（2）（5）alllandowners

With15speciesofindividualoftensomeofthedifferencesinmorphology,buttherearedifferencesbetweentheformofindividual,ontheabilitytoadapttoenvironmentalchangewillbealittledifferent.Somewherebelowforthreedifferentplantleafareaandthenumberofindividualdiagram,ifdroughtinhere,thenwhichofthefollowingaccountsamostreasonable（）

A.bspeciesadaptablethanAspeciesinthearea

B.aspeciesadaptablethanBspeciesinthearea

C.Cspeciesadaptablethanbspeciesinthearea

D.aspeciesandbspeciesintheareaatthesameabilitytoadapt

16.Inthehumanbodystructure,ofthefollowingisnotdirectlyinvolvedintheregulationoftemperatureis（）

A.thehypothalamus

C.theskin

B.backbeforethemiddleofthecerebralcortex

D.theadrenal

17.Thefollowingdescriptionabouthomeostasisregulationisnotcorrect（）

A.theinternalenvironmentisrelativelystablephysicalandchemicalproperties

B.intheinternalenvironmentofpHadjustmentbyneuromodulationandconstanttemperatureisaneurohumoralregulationprocess

C.theregulationofwaterandinorganicsaltbalanceareinterlinked,avarietyofhormonesinvolvedintheregulationofbloodsugar,insulinistheonlyfallbloodsugarhormone

D.homeostasis,unabletomaintainthebody'

slifeactivitieswillbethreatened

18.Thestabilityoftheecosystemandnutritionstructurecomplexityofrelationcurveiscorrect（）

19.Aseriesofexperimentalprocessshownbelowfoundauxin（experimentmaterialisoatcoleoptile）.Whichbelongtocontrolexperimentis（）

A.2,5

B.1,4,

C.4,5,

D.3,5,

20.Whenbacteriaexotoxininvadesthebodyagain,mainlyisthehumoralimmunefunction,andits"

reactionstage"

and"

effectstage"

immuneprocessarerespectively（）

A.-effectofBcells,immuneactivesubstancestoeliminatereleasetoxins

B.effectBcellstoproduceantibodies,specificitycombinedwithexternaltoxin

C.memorycellsandBcells,eliminateexotoxinreleaseimmuneactivesubstances

D.memorycellsandeffectofBcells,specificantibodiesproducedcombinedwithexternaltoxin

21.Thefollowingerrornarrativeaboutneuromodulationis（）

A.instimulatingneuralspikegrowrichenvironmentofnormalchildrenandsynapticquantitywillincrease

B.whenpartofanervefiberisstimulatedwhenexcitedwithinthemembranepotential,membraneofnegativepotential,thecurrentinthemembranebytheexcitingpartflownotexcited,outsidethemembranebynotexcitedplacetoplace

C.excitedonlyintheformoflocalcurrentinmultipleone-waytransmissionbetweenneurons

D.efferentnerveaxonsononepointstimulationandexcitementwillendtotheaxonconduction

22.Belowistheregulationofthyroidactivitydiagram.Theunderstandingofthefigure,isnotcorrect（）

A.figureXandYarerespectivelyinthehypothalamusandpituitary

B.thepictureaandBarerespectivelythyroid-stimulatinghormonereleasinghormoneandthyroidstimulatinghormone

C.theregulationofthyroidactivityonlypromotehormonebythepituitarygland

D.thethyroidhormonelevelsinthebloodtoplaytheroleofafeedbackregulation

23.Thephagocyteplayaroleinthehumoralimmunestageis（）

1）infectionstage

（2）（3）reaction（4）effectofphaseinductionphase

A.in

（1）

（2）phase

B.in

（2）（3）stage

C.in

（1）（3）phase

D.in

（2）（4）stage

24.18.Agoodecono