高二下学期第一次月考生物.docx
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高二下学期第一次月考生物.docx
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高二下学期第一次月考生物
2019-2020年高二下学期第一次月考(生物)
一、选择题
1.同源染色体上的DNA分子之间一般不同的是
A.碱基序列B.碱基种类C.(A+G)/(T+C)的比值D.碱基互补配对方式
2.如果把糯性水稻和非糯性水稻杂交的F1的花粉,加碘液在显微镜下观察,约一半花粉呈兰色(非糯性),一半呈红褐色(糯性),这能证明分离规律的实质是[]
A.产生两种类型而数目相等的配子B.F1是杂合体
C.在减数分裂过程中等位基因的分离D.在F1体内等位基因具有一定的独立性
3.豌豆灰种皮(G)对白种皮(g)是显性,黄子叶(Y)对绿子叶(y)是显性,现有GGYY和ggyy的豌豆杂交得F1,F1自交得F2,F2植株所结种子颜色的分离比和子叶的分离比依次为
A.3:
1和5:
3B.5:
3和5:
3C.5:
3和3:
1D.3:
1和3:
1
4.下列各项实验中采取的最佳交配方式分别是:
①鉴别一只白兔是否为纯合子;②鉴别一株小麦是否为纯合子;③不断提高水稻品种的纯合度;④鉴别一对相对性状的显隐性关系
A.杂交、测交、自交、测交B.测交、自交、自交、杂交
C.杂交、测交、自交、杂D.测交、测交、自交、自交
5.一个色盲女人和一个正常男人结婚,生了一个性染色体为XXY的正常儿子,此染色体畸变是发生在什么之中?
假如父亲是色盲,母亲正常,生一个性染色体为XXY的表现正常的儿子,则此染色体畸变发生在什么之中?
假如父亲正常,母亲色盲,生一个性染色体为XXY的表现为色盲的儿子,则此染色体变异发生在什么之中?
其中正确的是()
A、精子、卵、不确定B、精子、不确定、卵
C、卵、精子、不确定D、卵、不确定、精子
二、简答题
6.Ⅰ(12分)下图是人体内蛋白质合成的一个过程,据图回答:
(1)图中合成多肽的原料是______________。
(2)图中所示属于基因控制蛋白质合成过程
中的____________步骤,该步骤发生在细胞
的_________________内。
(3)图中Ⅰ是___________,Ⅰ上GAA相对应的mRNA上的碱基序列被称为________。
按从左到右次序写出Ⅱ内的mRNA所对应的DNA碱基序_______。
Ⅱ.(8分)下图是某遗传病的系谱图(假设该病受一对等位基因控制,D为显性基因,d为隐性基因)。
请据图回答:
(1)此遗传病基因位于染色体上。
Ⅲ9是纯合子的几率是。
(2)Ⅲ10、Ⅲ11、Ⅲ12都表现正常,他们的父亲(Ⅱ5)最可能的基因型是。
(3)Ⅲ10和Ⅳ13可能相同的基因型是。
(4)Ⅲ7、Ⅲ8再生下一患病男孩的可能性是。
7、Ⅰ(8分)人的眼色是由两对等位基因(AaBb)(二者独立遗传)共同决定的。
在一个个体中,两对基因处于不同状态时,人的眼色如下表。
有一对黄眼夫妇,其基因型均为AaBb。
从理论上计算:
(1)他们所生的子女中,基因型有种,表现型共有种。
(2)他们所生的子女中,与亲代表现型不同的个体所占的比例为 。
(3)他们所生的子女中,能稳定遗传的个体的表现型及比例为 。
(4)若子女中的黄眼女性与另一家庭的浅蓝色眼男性婚配,该夫妇生下浅蓝色眼女儿的几率为 。
Ⅱ(12分)下图是DNA复制图解,请据图回答问题:
(1)DNA复制的时期是。
(2)DNA复制的条件是、、和。
(3)N15标记的DNA分子,放在没有标记的培养基上培养,复制三次后标记的DNA分子占DNA分子总数的,标记的链占全部DNA单链的。
(6)DNA分子复制完毕后,新形成的DNA分子子链是()
A.是DNA母链的片段B.和DNA母链之一完全相同
C.和DNA母链相同,但T被U所取代D.和DNA母链稍有不
(7)由第(6)题可见,DNA分子复制又称为复制。
答案:
2019-2020年高二下学期第一次月考(英语)
一.单项选择(共20题,每题1分,共20分)
1.---Whatdoyouthinkofthemanyouhavejustinterviewed?
---Hegavemea(an)_________thathewasnotvery_______aboutthejob.
A.expression;eagerB.impression;enthusiasticC.idea;anxiousD.impression;interested
2.________thenecessaryequipment,theseriouslywoundedmanhadtobesenttoanotherhospitalfortheoperation.
A.lackingB.LackingofC.ForlackofD.Lackingin
3.Standingontheplatformoftherailwaystation,theoldfatherwavedandwaveduntilhe_______hisdaughter.
A.lostsightofB.losthissightofC.wasoutsightofD.lostthesightof
4.Peopletendtolivemorehappilyandlongeriftheyare________aboutlife.
A.pessimisticB.enthusiasticC.optimisticD.terrific
5.Thepolicemanwas________abusinghispowerwhenperforminghisduty,butithasn’tbeen______yet.
A.chargedwith;approvedB.blamedfor;approvedC.assessed;provedD.accusedof;proved
6.–Whyhasn’tMr.Wang,sectioneditorofthenewspaper,arrivedforthemeeting?
--Sorry,I______to______himofthemeeting.
A.forget;remindB.haveforgotten,tellC.forgot;informD.forgot;notice
7.WhoelsecanI_______forhelp,ifnot_______?
A.counton;heB.accounton;himC.relyon;heD.dependon;him
8.Thenewsshockedthepublic,____________togreatconcernaboutstudents’safetyatschool.
A.havingledB.ledC.leadingD.tolead
9.Whatyousaidatthemeetingwasnotquite________.Tomanyaudience,itwastotally________.
A.intheplace;outoftheplaceB.inplace;outofplace
C.intheplace;outofplaceD.inplace;outoftheplace
10.Shelikestohaveeverythinginplacesothatshecan________themwhentheyareneeded.
A.haveahandinB.placehandsonC.putherhandsonD.layherhandon
11.Knowinghowtoapplyfirstaidreally_________incaseofemergency.Itcansavelives.
A.makesdifferenceB.hasadifferenceC.makesadifferenceD.isdifferent
12.Janetoldmeshewouldnotattendtheconference_________.
A.ifheinvitedB.wheninvitingC.unlessinvitedD.whileinviting
13.________moreattention,thetreeswouldhavegrownbetter.
A.GivenB.BeinggivenC.HavinggivenD.Give
14.Whenthehousewifereturnedhome,shewas______toseeastranger______onthesofa,_____andasleep.
A.surprised;seating;drunkB.surprising;seated;drinking
C.surprised;seated;drunkD.surprising;sitting;drinking
15.Itwastoonoisyoutside.Notuntil_______atthetopofmyvoice_______hishead.
A.Ishouted;didheturn B.Ishouted;hadheturned
C.didIshout;didheturn D.hadIshouted;heturned
16.________thatyouaretenminuteslateforthemeeting?
A.HowaboutB.WhataboutC.HoweD.Howhappened
17.ThediscoveryofgoldinAustralialedthousandstobelievethatafortune___________.
A.ismadeB.wouldmakeC.wastobemadeD.hadmade
18.Asateacher,Ioftenmeetsomecases_________alotofsudentsloseinterestinstudies.
A.whichB.thatC.whereD.what
19.AtthemeetingplaceoftheYangtzeRiverandtheJialingRiver______________,oneofthetenlargestcitiesinChina.
A.liesChongqingB.ChongqingliesC.doeslieChongqingD.doesChongqinglie
20.So little ______agree on the plan that they could not settle the difference.
A.did they B. do they C. they did D. they did not
二.完形填空(共20小题;每小题1分,满分20分)
阅读下面短文,从短文后所给各题的四个选项(A、B、C、和D)中,选出可以填入空白处的最佳选项,并写在答题卡上。
OnedaylastmonthafterIreceivedmysalary,(薪水)Iwentshoppingwithmylittleson.21inthecrowdedstore,Ihadmypocket22andmywholesalarywasgonewithit.IwassoangrythatIalmostlost23 ofmyself.Wewerenotveryrich.Themoneywas24notasmallsumformyfamily.Itwould25ourlifegreatly.WhatcouldIdo?
HowcouldItellmywife?
Ifeltverysadandeven26 forlosingthemoneyandhadnochoicebutgobackhome.Inordertomakeupformy 27mistake,Igatheredallmystrengthtogiveourhouseathoroughcleaningandthen28awonderfulmealandcookedaspecialdishmywifelovedto29 her.
Whenshecamehome,Igave asmileto30 her.Shewassurprisedtoseetheneathouseanddeliciousmeal.Itoldmystory31whileweweresittingatthetableeating.Tomy32,shedidnot respondimmediately.Itwasasifshehadnotheardmy33 .
“I’velostmysalary,”Imurmuredtoheragain.
“Isee,”shedidnotshoutatmeasIhad 34.Shedidn’tloseher 35.SoIwasafraidshewastryinghardto controlher36.Amomentlater,mywifewasstill37 andseemedtobeenjoyingherfavoritedish.AtlastIcouldnothelp38,“I’velostthemoney.Whynotshoutatme?
”39 hereyes,shelookedatmeandsaid,Oh,onthecontrary,I’mthinkingabouthowto40you.It’s thethief whoistoblame.
21.A.Unluckily
B.Unlikely
C.Unusually
D.Unfairly
22.A.robbed
B.scratched
C.picked
D.stolen
23.A.thrill
B.way
C.heart
D.control
24.A.rarely
B.purely
C.partly
D.really
25.A.forbid
B.suffer
C.affect
D.improve
26.A.tense
B.worried
C.ashamed
D.guilty
27.A.unforgivable
B.unforgettable
C.unbelievable
D.unbearable
28.A.prepared
B.served
C.delivered
D.provided
29.A.convince
B.confuse
C.please
D.inspire
30.A.meet
B.greet
C.adore
D.demand
31.A.swiftly
B.deeply
C.deliberately
D.nervously
32.A.amusement
B.surprise
C.relief
D.disappointment
33.A.reasons
B.information
C.message
D.words
34.A.expected
B.experienced
C.wished
D.witnessed
35.A.tears
B.temper
C.emotion
D.interests
36.A.authority(权威)
B.smile
C.desire
D.anger
37.A.silent
B.steady
C.quiet
D.calm
38.A.showing
B.expressing
C.asking
D.clarifying
39.A.Opening
B.Raising
C.Moving
D.Shutting
40.A.scold
B.punish
C.fort
D.discourage
三.阅读理解(40分)
第一节:
基础阅读。
阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项。
(每题2分,共26分)
A
Anitaisa28-year-olddesigner.Sheworksathomeandshedoesn'tmeetanypeople.TwomonthsagoAnitasawanadvertisementforaputerdatingorganization.Shedecidedtotryandfindaboyfriendbyputer.Shefilledintheorganization'squestionnaireandpaidfivepounds.Twoweekslatershereceivedaphone-callfromherfirstdate.Anitatoldmewhathappened."I'maveryshyperson.IwroteinthequestionnairethatIwantedsomebodyverydifferentfromme."
Somebodyfindsconversationeasy.Somebodyisanextrovert(性格外向的人)."Imetthismansentbytheorganizationinarestaurantthefollowingday.Itwasterrible.Hewassoshyhedidn'ttalktomeallevening.Everytimehelookedatme,hisfaceturnedred."Thesecondmansenttoherwasworsethanthefirst.Anitaisquiet.Shelikesfilms,plays,reading,listeningtoclassicalmusic.Shedoesn'tsmokeordrink.Hewasatall,chain-smokingsportsfanwhospentallhissparetimeinpublic."HetoldmethathehatedallthethingsIlove.Itwaspletelycrazy."Anitasaid.Shehasnowtoldtheorganizationnottosentanymore"puter"boyfriends.
41.Anitaisunmarriedbecause______________.
A.sheistoooldtomarryB.sheisunwillingtogetmarried
C.shehasnochancetomeetpeopleD.sheneverlovesanyman
42.Shedecidedtofindaboyfriendwiththehelpof_________.
A.herfriendsB.herrelativesC.herparentsD.amachine
43.Anitawantstofindaboyfriendwhois_________her.
A.asshyasB.quitedifferentfromC.almostlikeD.asoldas
44.Themanwasachain-smoker.He___________.
A.smokedonecigaretteafteranotherB.hatedsmoking
C.seldomsmokedD.hadgivenupsmoking
45.AccordingtoAnita,theputeris____________.
A.scientificB.successfulC.believableD.notbelievable
B
Peopletodayexpecttobeexaminedwhentheyenteradoctor'soffice.Atleasttheyexpecttheirbloodpressureandtemperaturetobemeasured.However,asrecentlyastwohundredyearsago,adoctor'streatmentdependedontalkingwithpatients.Ingeneral,themunicationbetweendoctorsandtheirpatientswasthemostimportantpartofmedicalmetho
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