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发表于:2020-10-25
问题详情:细胞核中的DNA不能直接到细胞质中指导蛋白质的合成,在DNA和蛋白质之间充当信使的物质是() A.ATP B.mRNA ...
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发表于:2020-02-13
问题详情:Momwantstobuyasweater me.A.in B.to C.for D.at【回答】C解析:考查短语buysb.意为“为某人买某物”。故选C。知识点:动词和动词短语题型:选择题...
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发表于:2021-06-04
问题详情: 下列对ATP的叙述中,错误的是( )A.远离A的高能**键容易水解 B.只在光合作用中产生C.ATP和ADP可以相互转化 D.生命活动的直接供能物质【回答】B知识...
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发表于:2020-09-12
问题详情:下列有关细胞内组成元素和化合物的叙述,正确的是( ) A.牛以草为食,则牛体细胞内纤维素含量较多 B.ATP、酶和RNA中可能含有相同的糖类 C.骆驼食物中**盐所含氮元素可参与脂...
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发表于:2021-04-14
问题详情:运用元素周期律来判断,则下列叙述中不正确的是A.元素Be的金属*比Na的金属*弱B.At是第6周期第ⅦA族元素,HAt不稳定,且AgAt是有*难溶于水的物质C.Sr是第5周期第ⅡA族元素,则SrSO4可能难...
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发表于:2020-12-15
问题详情:下列关于细胞生命活动过程中ATP、ADP的说法正确的是()A.细胞内的物质合成总与ATP的合成有关B.ATP在生物体内大量存在,以满足机体生命活动的需要C.ATP是高能化合物,ADP不属于高能化...
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发表于:2022-07-31
问题详情:下列关于细胞的叙述,错误的是 A.细胞内的酶都附着在生物膜上 B.植物细胞壁的主要成分是纤维素和果胶 C.ATP水解释放的能量可用于细胞内的吸能反应 D.水和无机盐参与构建细胞及...
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发表于:2019-07-02
问题详情:在双链DNA分子中,有关四种碱基的关系,下列等式中错误的是( )A.= B.=C.A+T=G+C D.A+G=T+C【回答】C试题分析:在双链DNA分子中,碱基之间的配对遵循碱基互补...
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发表于:2018-05-12
Itisuselesstoclutchatastraw.Istaggeredandhadtoclutchatachairforsupport.Thecareless,theslow,theunobservant,thelazyfailtoseeit,orclutchatitwhenithasgone."Skulkerhascaughta...
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发表于:2018-03-12
Sheiscleveratpainting.becleveratmakingmodelplanesThelittlegirlisnotverycleverataddition.I'mcleverattakingoffthefortune-teller.MissRichisgoodatsketchingpeople,she'scleve...
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发表于:2018-03-08
Hemadearudegestureathisfriend.Hemadearudegestureatthedriveroftheothercar.cockasnookatsb/sth;makearudegestureatsbbyputtingone'sthumbtoone'snoseEvenhisyap-yapgestureatNev...
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发表于:2020-02-22
问题详情: At about10pmonSeptember7,2013,TommyBarberandhisfriendSusanLaneyweresteppingoutoftheelevatorofherapartmentbuildingwhentheysmelledsmoke.“Mydogs!”Susany...
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发表于:2021-05-08
问题详情:AmansetoffabombataRussiantrainstationonSunday, atleast16peopleinthedeadlyattack. A.killed B.kill ...
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发表于:2018-04-29
Uniformpricesaresetateverystore.Jean'smakingadeadsetatCharles.Thesunsetataboutsixo'clock.setatalowangleorslant.haveashampooandsetatthehairdresser'sHesetathisadversaryi...
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发表于:2019-12-09
问题详情:At________timedoesthesalesgirlgetuplateinthemorning,thoughsheisalwaystoobusy_________agoodrest. A.no,totake B.no,taking C.any,totake D.one,taking...
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发表于:2018-04-07
myneighbourattableShehadlunchatthattableyesterday.HewasattablewhenIcalled.Thereweretwoservantswaitingattable.Thehostesspresidedattablewithtactandurbanity.Learntoserveatta...
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发表于:2018-04-27
Iarrivedatschoolatseven.Thetrainarrivedatexactly8o'clock.Wearrivedatthree(o'clock)sharp.Thesurveyorsarrivedatwidelydifferentvaluations.Theyarrivedattheirdestinationover...
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发表于:2018-02-28
Theyhaveneverbeforebeensodependentonfindingagreementandrarelybeforesohopelessatdoingit.Tofinditseemedratherahopelessattemptinthestretchofrichgrassbeforethem.Ahopelessatta...
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发表于:2021-03-06
问题详情: At________midnight,________buildingnextdoortoourscaughtfire. A.the;a B.the;the C./;the ...
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发表于:2020-01-30
问题详情: Thenumberofstay-at-homefathersreachedarecordhighlastyear,newfiguresshow,_______familiessawariseinfemalebreadwinners.A.if ...
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发表于:2018-03-25
Thenumbersofunitclassesarelistedathere.LocatedinDallas'sexclusiveGreenwayParksneighborhood,thishomehasbeenlistedatthesamepriceforfourmonths.Theoperatorgavemehersuperviso...
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发表于:2021-03-11
问题详情: —Istheflowerbeautiful?—Yes,at_____it’s_____theoneyouboughtforme.A.last,asbadas B.least,nobetterthanC.last,notbet...
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发表于:2021-01-05
问题详情:Staying at home ______ boring. kind kinds of kind of kinds of 【回答】C知识点:动词和动词短语题型:选择题...
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发表于:2018-05-13
I'mgoodatgeography.I’mgoodatcooking.He'sgoodatbasketball.He'sgoodatgolf.I'mgoodatcooking.Menaregoodatlying,womenaregoodatspoiling.Heisgoodatstudying.Heisgoodatinterp...
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发表于:2017-08-22
(at)blinkattheharshlightSofar,atleast.mycontemporariesatschoolLookatitobjectively.Shesmilesateverybody.revileat[against]abusesarriveatsevenprompt=arrivepromptatsevenHehad...