高考生物模拟试题

题考生拟试一级__________级_________号_________姓名分数分一二三四分人填空题共0，题分合计0分)分人多项(共22，题分合计22分1.绿植在暗室长消耗质B(葡萄糖D(O2.控下列生物性状遗传物质递，循孟尔遗定律(大杆菌抗青性状遗传(紫莉花条的和白性状遗传(类的苯酮尿遗传(玉果皮种皮的遗3.根现代对ATP究，应式:ATPADP+Pi+能能简地看是个可逆，下是这结论有关，中的是(酶和酶是的B(酶和酶化的在胞内的场所是不的ADPPi这种物质不能被重复利用的D(酶化的的能量酶催化的应中去4.下有关免疫的论的是在性中作是胞分化细胞B(已免疫的机体，在再次接受相同刺激时所发生的反应叫做过敏反应C.记忆淋巴细胞受到抗原刺激后会迅速克隆出大量的能够产生相应抗体的淋巴细胞targetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofproductionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,D(巨噬细胞.T细胞.B细胞.记忆细胞.效应细胞均能识别抗原5.,.,.,,,12,.,.(.),.,.6.A(B.C.-D.III7.AABBaabbAAaaBBbbA(FB(F11C(FD(18.精中精卵分泌。一程及A(DNA按碱补对则复制(RNA板复制(DNA一链板RNA(按照9.程中中一这及:(RNA板互补链((按照(DNA制10.A(中B(SARS病毒的遗传物质为容易出现变种，故疫苗研制工作比较困难C(爱滋病类与人体细胞相同，故易感染人体D(在转基因工程中，某些病毒能携带某些基因进入受体细胞11.番茄的果皮红色对黄色显性。番茄甲自交全部结红果，番茄乙自交全部结黄果，现将甲的花粉接到乙的柱头上。下列叙述正确的是A(上述杂交所得果实全呈红色述杂交所得果实全呈黄色茄甲肯定是纯合子D(番茄乙肯定是纯合子12.下列与微生物生长.代谢.繁殖有关的说法中，不正确的是constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofproductionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,((((13.((((船上过太空辣椒子结果较常大倍上14.关所需要氮源说法正确?分子态氮氨铵盐盐素肉膏胨??等最常氮源固氮把?转变为?C.

既氮源又碳源D.氮源.酸其他氮15.如图所示个渗透作验装置在烧杯装蒸馏在部封半透膜长颈漏斗装麦芽糖和混溶液已知半透膜上孔允许分子分子通过。验开始时漏斗液面略烧杯蒸馏的液面，过一段时间后，用新制的氢氧化铜溶液和硝酸银溶液分别检验蒸馏水中的物质。在整个实验过程中，所观察到的现象是A.漏斗内的液面下降B.烧杯内液体遇硝酸银溶液有白色沉淀C.漏斗内的液面上升D.烧杯内溶液遇新制的氢氧化铜溶液经加热后有砖红色沉淀麦芽糖和的混合溶液蒸馏水16.下列关于构成细胞的化合物功能的叙述，错误的是A(生命活动都由蛋白质调节B(干种子因缺乏自由水不能萌发C(多糖是细胞的能源物质物的遗传物质是DNA17.有关细胞全能性的叙述，正确的是A(受精卵在自然条件下能使后代细胞形成完整个体，因此全能性最高B(生物体内已分化的细胞也表达出了全能性C(卵细胞与受精卵一样，细胞未分化，全能性很高constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!第ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofprodu3，共页ctionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,D(植物细胞离体培养，在一定条件下能表现出全能性18.下列行为与垂体分泌的激素有关的是A(照幼行为人症C(性行为蜂采行动19.美国克萨州科家在年月日宣，他已经育出界上第一克隆。这名为的小毛色花，看去完不像生它的花猫妈妈，也完像为它供胞的基猫妈。正的解可是(表现型基因型环境同作用结果(发生了因重所造的结(提供卵胞的雌细胞质因调控作(生养它花斑妈妈基因调控作20.下列高技成果，根基因组原进的是A(我国学家袁平利用交技培出超级稻(我国科学家将苏云金杆菌的某些基因移植到棉花体内，培育出抗虫棉(我国科学家通过返回式卫星搭载种子培育出太空椒(我国科学家通过体细胞克隆技术培养出克隆牛21.按自由组合定律遗传的具有两对相对性状的纯合体杂交F中出现的性状重组类型的个体占总数的比例可能为A.3\8B.5\8C.1\16D.1\822.在粗提取的实验过程中，两次向烧杯中加入蒸馏水的作用:A.稀释血液、冲洗样品B.使血细胞破裂C.降低NACl溶液的浓度D.冲洗DNA，去掉杂质得分阅卷人三、单项选择题(共题，题分合计分1.下列对真核生物基因结构的认识中，不正确的是编码区完整转录并加工后形的使RNA质合转录转录的有在编码区中真核生物基因中的核数比核生物基因中的核数得constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofproductionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,D.编码区转录后，内含子的切除和外显子的拼接是在细胞核中进行的2.某科学家在研究细胞膜运输物质时发现有下列四种关系，分别用四种曲线表示。在研究具体的物质时，发现与曲线?和?相符，试问:细胞膜运输物质的方式是A.主动运输自由扩散内吞和外排无法判断3.下列有关人体内蛋白质代谢过程的叙述，下正确的是A(在健康成年人体内，蛋白质的合成和分解是平衡的(在一个健康人的尿液中尿素的含量较高，说明其食物结构中含有较多的蛋白质(丙氨酸、甘氨酸等氨基酸不能通过转按基再作用合成(通过脱氨基作用生成的氨必须转变成尿素才能排出体外1534.甲培养基中含有标记尿嘧啶核糖核苷酸，乙培养基中含有标记胸腺嘧啶脱氧核苷酸，分别用这两种培养基培养正在发育的人体细胞，你认为正在发育的细胞对这两种物质的吸收量A(甲大于乙B.乙大于甲C.甲等于乙D.无法确定5.对细胞内各种生物膜的结构和组成的叙述错误的是(主要由蛋白质、脂类和少量糖类组成(磷脂双分子层是各种生物膜的基本骨架(不同生物膜上的蛋白质的种类和数量不同(内质网膜能生成高尔基体膜，说明两者化学组成完全相同6.用大肠杆生素，要用的生物程的组合是基程?细胞程?发程?程A.B.C.D.7.核酸是一生物的物质，的物质由种核苷酸组成A.2种B.4种C.5种D.8种constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!第ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofprodu5，共页ctionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,8.如果你在载玻片上用钢笔点上一个直径约为的小圆点，在光镜下选用倍目镜和5倍物镜进行观察，则视野内所看到的小圆点2A(面积约为30mmB.直径约为3cmC.面积扩大3D.直径约为11mm9.ATP与共有的组成为A(核糖和磷酸基脱核糖和磷基C.腺嘌呤磷酸基腺嘌呤和能磷酸键10.下列哪细胞器接作用核膜的成A.DNAB.RNAC.内网尔基体11.雄和蛙的性染色组分为和，定只常的蚪外界境影响下，变了只生育的雄蛙用雄与正常雌蛙配问:其子代的蛙(?)和雄(?)的例是B.?::1C.?::1D.?:?=1:012.在个机交配的中大的群中，经调发控某性状的基型只有种:AA基因型的频率为，Aa因的频率为。试问随交配繁殖一代后基因型个占B.C.36%D.13.关微物对环境的化用正确叙述是(微物分解各种有污物(净污的微生物为种氧生物(微物污水中的有物解成和及含有、P的无机盐22(纤维素人畜粪更易于微生物解14.如图所为面包体内合氨基酸途径。在发酵程中利面包霉来大量合氨基酸应采取的最是A(变面霉的细膜性B(在高下酵constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofproductionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,(对面包霉进行诱变处理，选育出不能合成酶的菌种(对面包霉进行诱变处理，选育出不能合成酶的菌种15.现有二种固体培养基，已知其配制时所加的成分如下用这两种培养基分别去分离土壤中的两种微生物，你认为它们适于分离成分MgSO.7HONaClCaSO.2HOCaCO葡萄糖粉培养含量0.02%0.02%0.01%0.5%0.5%2%基培养含量0.02%0.02%0.01%0.5%--基A.甲培养基适于分离自养型自生固氮菌;乙培养基适于分离异养型自生固氮菌B.甲培养基适于分离酵母菌;乙培养基适于分离真菌C.甲培养基适于分离异养型自生固氮菌;乙培养基适于分离自养型自生固氮菌D.甲培养基适于分离自养型共生细菌;乙培养基适于分离异养型共生固氮菌16.对三株大小、长势相同的植株分别进行如下处理甲连续光照5h;l乙先光照1h，再在黑暗中，连续交替共丙先光照，再在黑暗中，连续交替10h。在其他条件相同情况下，光照结束时它们体内有机物含量是=乙甲甲乙C.丙>甲乙甲乙丙A.17.下列不是色体变和基因突变的主要区别有A.染色体结变异是DNA上比较大区段发生改变，而基因突变是DNA分子上个核苷酸的改变(基因突变发生回复突变，染色体结构变异则不能发回复突变(基因突变般是微突变，其遗传效应小，而染色体结构变异是大的变异，其传效应大(染色体结变异可过细胞学检查进行鉴别，而基因突变则不鉴别18.火灾常森林带来较大危害，但是在某些国家有时寒带地区林中的残行有火对森进行，这种火的主要的是A(森害，成B(森林的能C(刺激林木种子的萌发速生态系统的分解过程19.生活在不同纬度地区的动物，其动物个体大小是不一样的。下表是生活在不同纬度地区企鹅的体长:种类体长(mm)分布o金冠企鹅700南纬火地岛)o灰羽企鹅500-600南纬火地岛)o加拉帕戈斯企鹅490赤道0(加拉帕戈斯群岛)据此，你能够得出的结论是constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!第ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofprodu7，共40页ctionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,A(生物具有遗传性、变异性和适应性物具有适应性和应激性C(生既适环，能响境物有传、异和激性20.胰细能成白，肌胞合肌蛋和动白这类细胞形时及成因别是A.囊期细分形成肠期细分形成C(囊期细分形成肠期细分形成21.2003年月杨伟坐“舟五飞顺升空返回完了中民族天千梦想。此试“神舟”愚船搭载物实科学们利用太特物理境进了系列的科学验对此下列法正是A(高等的幼在空去所应性成物新品种理论依是基因突变成的新品种都对人类有益育种方法可能产新的基因22.表示包人类全部遗传信息的是A.染色体型类基因组色体组倍体基因组23.当鹅发卵在它的巢时，它回。它物体(.高球)时，有的行对此现正确是A.鹅不能物体是能的行C.卵是的动D.学行24.成人的细胞有种，中胰B细胞合成胰腺细胞合成激;植物细胞中含有，成表胞形成。正常情况下，分化的细胞还具有一定的寿命。例如，红细胞分化成熟后的寿命约是120天，白细胞的寿命约是12天。下列说法不正确的是现代分子生物学的证据表明，细胞分化是基因选择性表达的结果在个体发育过程中，有序的细胞分化能够增加细胞的类型由不同类型的细胞构成生物体的组织和器官，执行不同的功能自然选择学说认为，因为某种功能的需要而进化产生了各种细胞类型25.下列哪项的比例不符合1:3A.酵母菌分别在无氧呼吸和有氧呼吸情况在消耗等量所释放出的体积比61262B.在二对基因独立遗传的情况下，AaBbAaBB杂交后的表现型比一个初级卵母细胞减数分裂后形成的卵细胞与极体数之比白化患者的正常双亲，再生下的正常孩子中杂合体所占比例26.下列措施中，对雌性个体的第二性征和正常性周期的维持无影响的是constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofproductionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,切除子宫输卵管卵巢育环A.B.C.??D.?27.控制细胞分裂次数的时钟是位于染色体两端的一种特殊构(端粒)。随着细胞分裂而变短。癌细胞中，存在延长染色体端粒的酶，正常人的生殖细胞中也有。据此你认为体细胞不能无限分裂的原因是A.缺少合成端粒酶的氨基酸B.缺少控制端粒酶合成的基因C.控制端粒酶合成的基因发生突变D.控制端粒酶合成的基因没有表达28.在人体内细胞正常分化过程中，不会出现的是A(细胞形态发生改变B(细胞器数量的改变C(细胞内mRNA的种类数目不同D(细胞核遗传物质的改变29.用小刀将数十只萤火虫发火器割下，干燥后研成粉末状，取两等份分别装入2只小玻璃瓶中，各加入少量的水，使之混合，可见到玻璃瓶中有淡黄色萤光出现，约过15min萤光消失。这时，再将ATP溶液加入其中一只玻璃瓶中，将葡萄糖溶液加入另一只玻璃瓶中，可观察到加溶液的玻璃瓶中有萤光出现，而加葡萄糖溶液的瓶中没有萤光出现。本实验不能出的实验结是(B(ATPAC(D(30.A.B.C.D.31.A(HIVB(C(D(32.(P53(AFB)G?T肝1由此可见肝产根本A(环境起B(重组突D(染色33.2002年诺贝尔理医奖获得者英国科家约?苏尔斯顿现了高等nuc-1使解被称“死”)。有关叙述(育与死亡始保持平衡(如激亡则可地杀死(蝌蚪尾自现象死亡现(受阻死重34.同进行计了图所示实验装置若该装置置温暖有定照(忽略andofandAnyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!第ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofprodu9，共页ctionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,分的物理蒸发)的环境中，一段时间后，装置和装置b中小油滴移动情况可能是A(a中向左，b中向右(a中向右，b中向左(a中向右，b中不动(a和b中油滴均不移动35.神经细胞接受刺激后产生兴奋并传导兴奋过程中，发生了机械刺(或其它刺激)转变为电信号.电信号转变成化学信号和化学信号转变为电信号等变化，上述这些转变依次发生在(突触小体.突触前膜.突触后膜激部位.突触前膜.突触后膜C(刺激位突触体.突触后膜激部位.突触隙.突触后膜36.每年月日“世湿”，2003年的题“没湿就有水”下有湿态系的中不确有(湿地括泽.泥地.滩涂.河流湖泊.水库.稻田等(湿地通物理沉降生物解方法净污水(湿地有洪水力(湿地细菌硝化作实自然界向酸的化利用通光学显微镜观察蚕豆叶肉细，不分出的胞是色体泡糖体绿体呼作用生的CO与收的的积比为吸商简称呼商的吸作用的糖为呼商，为吸商1B(1C(1D(法确39.细菌不是A.中前光培养基中前者不需要碳源后者不需要氮源培养基中前者不需要氮源后者不需要碳源后者能产生有机氮而前者能产生有机碳40.在生物体内性状的表达遵循“DNA?RNA?蛋白质”的表达原则，下面是几种与此有关的说法，你认为不正确的是constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofproductionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,在细胞的一生中，DNA不变，RNA和蛋白质分子是变化的“DNA?RNA”一般是在细胞核中完成的，“RNA?蛋白质”是在细胞质中完成的同一个体不同的体细胞中，DNA相同RNA和蛋白质不同D.在细胞的一生中，DNA.RNA和蛋白质种类和数量是不变的41.植被随纬度的增加(从南到北)和海拔高度的增加从平原到高山)而发生演替变化的是(常绿阔叶林?落叶阔叶林?针阔混合林?针叶林苔原荒漠(苔原荒漠?针叶林?针阔混交林?落叶阔叶林常绿阔叶林(常绿阔叶林?针叶林?针阔混合林?落叶阔叶林草原?荒漠(苔原荒漠?常绿阔叶林?针叶林?针阔混交林落叶阔叶林2++42.若对离体的心肌细胞施用某种毒素，可使心肌细胞对吸收量明显减少，而对K.CHO6l26吸收则不受影响。这种毒素的作用是A.抑制呼吸酶的活性;2+B.抑制Ca载体的活动C.改变了细胞膜的结构2+D.改变了细胞膜两侧的浓度43.下面关于遗传和变异的叙述，哪一项是正确?在一个双链DNA分子中，已知A=T，G=C则(A+T)/(G+C)=1在细胞分裂过程中，基因突变.基因重组和染色体变异都可能发生因型为Yyrr和的两株植物杂交，其后代可出现2种新的基因型D.在不发生基因突变情况下，双亲表现型正常，可生出患红绿色盲的女儿44.水是生命之源，在生物体内也起着重要的调节作用。下面是有关水与生物生命活动的叙述，请选出错误的一项A(水在细胞内的存在状态有自由水和结合水两种，生命活动越旺盛，自由水的含量就越高。B(对植物而言，水的利用主要体现在蒸腾作用C(人的体液不断进行新陈代谢，其中水分的吸收是通过渗透作用完成的季，人在高温作业或剧烈活动后要喝淡水是因为补充水分及降温45.图为马的生活史，有关此图叙述中错误的是丝分裂发生在，基因重组发生在基因突变发生在，，?为新个体发育的起点constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!第ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofprodu11，共页ctionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,46.由个碱基组成的基因，控制合成由多肽链组成的蛋白质，氨基酸的平均相对分子质量为，则该蛋白质的分子量最大为A.na/6B.na/3-18(n/3-1)C.na-18(n-1)D.na/6-18(n/6-1)47.某荠菜植株的基因型为，这两对基因分别位于两对同源染色体上，人工去雄后授以基因型为植株的花粉，则形成的胚乳核可能的基因是A.AaBb.AabbB.AABB.AABbC.AAaBBb..AAabbb.D.AAaBBb.AAaBbb48.人体细胞内的脱氧核糖主要分布在A.细胞质细胞核C.核糖体线粒体49.给某人踝关节处注入局部麻醉药，此处暂时失去了痛觉，但还能运动，该局部麻醉药作用的结构是A.神经中B.突触C.感受器和传入神经D.传出神经和效应器50.下列关麦尖胞胞基的分布叙述确是(分布细核染体上(分布细核细的分子上(分布在线粒体、叶绿体的DNA分子上(分布在线粒体的DNA分子上51.下列有关膜的叙述，错误的是A(细胞膜主要由蛋白质分子和磷脂分子组成B(核膜和内质网膜在结构上有密切联系(线粒体膜和叶绿体膜中的蛋白质分子是相同的(细胞膜中的大多数蛋白质分子和磷脂分子不是静止的52.愈伤组织放在特定的培养基上培养，使细胞继续进行分裂，培养基中加入被氚标记的胞嘧啶，过一段时间后，能发现放射性物质的细胞结构有内质网?细胞核?叶体?线粒体?核糖体A(53.下列于物水分代谢叙，确的是(植物内的分散失都是过孔行的(成熟是物根系吸收的主部位(植物系要靠亲水性质外大量吸水(植物吸的水分，大用于合作用，小散失体外ofofthetheofortoatothethetoaofaofaasastobethebetrulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofproductionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,54.下列有关人体代谢及调节的叙述中，不正确的是(吃一些含卵磷脂较多的食物可以减少脂肪在肝脏中的积累(严重烧伤的病人，其体内抗利尿激素及醛固酮的分泌量均会增加，以维持水和无机盐的平衡(马拉松运动员肌肉细胞所需能量的来源依次为、磷酸肌酸、无氧呼吸、有氧呼吸D(脂肪的热量价高于糖类和蛋白质，因而脂肪是人体的主要能源物质55.效应B细胞是由B细胞和记忆细胞分化而来的，分化的原因?T细胞把抗原呈递给B细胞直接刺激细胞刺激记忆细胞细胞进行有丝分裂A.B.???C.???D.???56.现有一待测核酸样品，经检测后，对碱基个数统计和计算得到下列结果(A，T),(G，C),1，(A，G),(T，C),1根据此结果，该样品(无法被确定是脱氧核糖核酸还是核糖核酸(可被确定为双链还是双链C.无法被确定是单链D(可被确定为单链57.家族性高胆固醇血症是-种遗传病，杂合体约活到岁就常患心肌梗塞，纯合体常于岁左右死于心肌梗塞，不能生育。一对患有家族性高胆固醇血症的夫妻，已生育一个完全正常的孩子，如果再生一个男孩，那么这个男孩能活到岁的概率是A.1/3B.2/3C.1/2D.3/458.下列有关水稻的叙述，错误的是(二倍体水稻含有二个染色体组(二倍体水稻经秋水仙素处理，可得到四倍体水稻，稻穗米粒变大C(二倍体水稻与四倍体水稻杂交，得到三倍体水稻，含三个染色体组D(二倍体水稻的花粉经离体培养，得到单倍体水稻，稻穗.米粒变小59.下列关于光因子对生物影响的叙述，错误的是(只有在强光下小麦和玉米才能长得好(夜间用黑光灯诱捕的蛾类对紫外线敏感(日照时间的长短对动物的繁殖活动没有影响(光因子决定水体中生物群落的垂直分布60.下图中表在有和无的种下，率与大小间的关。在图中一constructiontargetassessmentandcivilizedunits,townshipofcivilizationandcivilizedcommunitymanagementassessment.Anyimpactofthecity,thecountytownofachievementtest,ortwoconsecutivetimesinthecitymonthlyassessmentunit,toconductinterviewsaccountability.Theacitytothesystem,theindustryunitstocarryoutself-examinationandinspection,trulyagraspofalevel,layersofimplementation.County,acitygovernmentenvironmentalperformanceassoonaspossibletomakesupervisionaccountabilitymeasures,measurestobeimplemented,theintensityshouldbelarge.Operationalstronger,trulygooduse,effective.Comrades,theurbancivilizationtocreatemultithreads,heavytask,thecountyatalllevelstoseriouslyandtotightstyletotheworkdofinedothrough,doasolidplace,ensuretomeettherequirementsoftheobjectiveandsustaining,andstrivetobuildourhomesmorebeautiful,letthemassestolivemorehappy!第ThemeetingofjobofsafeproductionisthecountyPartycommittee,governmentheldaspecial.Atpresent,thecountyofprodu13，共页ctionsafetysituationismoreserious,thetaskismoreandmoreheavy.Fromanationalperspective,lastyearisamajorproductionsafetyaccidentsconnectedtogethertogether,suchasTianjinportofamajorfireandexplosion,Shenzhen"landslide"accidents,seriousdamagetotheimageofthepartyandthegovernment,点蒸腾作用与气孔大小无关61.如图示酶.激素.蛋白质三者关系，下列有关叙述中正确的是，2，3分别表示酶.激素.蛋白质能产生的细胞一定能产生能产生的细胞一定能产生物质都由专门器官产生的62.下列物质都含有肽键的一类物质是A(酶、性素、抗体胰岛、抗、长素性素、体酶D(维生素、甲状腺激素、雌性激素63.人中有的疾病与线体DNA突变关。人线粒体因突变而导致理功减弱下器中受