PARTONEDirections:Thereare20sentencesinthissection.ForeachofthemtherearefourchoicesmarkedA),B),C),D).YoushoulddecideonthebestandmarkthecorrespondingletteronAnswerSheetwithasinglelinethroughthecentre.1.Myfamily_______onmyfather’sunemploymentbenefitafterhelosthisjob.A).gotacrossB).gotaboutC).gotbyD).gotat2.Giventhechancetoshowhisability,heregained________andbegantosucceedinschool.A).confidenceB).resourceC).sourceD).Responsibility3.Itissodifficultto________thebottomoftheoceanbecausesomepartsareverydeep.A).transmitB).exploreC).acquireD).inherit4.Somepeoplebelievethattheearthcan_______enoughfoodtosupportatleasttwiceitspresentpopulation.A).emergeB).assumeC).poseD).yield5.EveryoneofyouhasmadeacontributionandI_________acknowledgewhateachofyouhasdonetomakethisacademicconventionsuchasuccess.A).takepleasureinB).makepleasureinC).takepleasureonD).makepleasureon6.Wehavebeenpracticingforsolongandsohardthatourteamshould_________winningthegameA).catchonB).catchC).standachanceofD)standachance7.Researchongeneswill_______excitingnewmedicaltreatments.A).closethedoortoB).openthedoortoC).shutthedoortoD).knockatthedoorto8.Yellowflowersinthefieldalways__________me_______mychildhoodinthecountryside.A).remind.......atB).remind.......inC).remind.......onD).remind.......of9.Abeethathasfoundhoneyisableto______tootherbeestheinformationtheyneedinordertocollectthehoney.A).translateB).transmitC).transportD).transparent10.Sam________thegiftofimaginationfromhisfamily,buthelackedthedrivingpowertotakeaction.A).inheritedB).posedC).enrichedD).Benefited11.ItiswellknownthatChinaisacountrywithrichnatural________andaverybigpopulation.A).resourcesB).sourcesC).passionsD).routines12.Aftera(n)__________physicalexam,mydoctorsaidIwasingoodconditionexceptthatmybloodpressurewasalittlehigh.A).giantB).availableC).enthusiasmD).comprehensive13.Thereiswidespreadconcernthattherisingunemploymentmay_______athreattosocialstabilityA).pledgeB).inheritC).poseD).pursue14.Weoften________thatwhenotherpeopledothesamethingsaswedo,theydothemforthesamereasons;butthisassumptionisnota

【单选题】NO 2 、NO 2 - 、NO 2 + 键角大小关系正确的是 。 A. NO 2 > NO 2 - >NO 2 + B. NO 2 + >NO 2 >NO 2 - C. NO 2 - > NO 2 >NO 2 + D. NO 2 + > NO 2 - >NO 2

求定积分[img=179x43]17da65388c0b1ca.png[/img]； （ ） A: log(2^(1/2) + 1)/2 + 2^(1/2)/2 B: log(2^(1/2) + 1)/2 - 2^(1/2)/2 - 1/2 C: log(2^(1/2) + 1)/2 + 2^(1/2)/2 - 1/2 D: log(2^(1/2) + 1)/2 + 2^(1/2)/2 + 1/2

2 + 2 * (2 * 2 - 2) % 2 / 3

函数z=xsiny在点(1,π/4)处的两个偏导数分别为 A: √2/2,√2/2 B: √2/2,-√2/2 C: -√2/2,-√2/2 D: -√2/2,√2/2

2×2×2×2×2

HbF的构成主要是（） A: α2β2 B: α2δ2 C: ζ2ε2 D: α2γ2 E: ζ2γ2

胎儿期血红蛋白HbF的分子组成为（ ）。 A: ζ2ε2 B: α2Aγ2、α2Gγ2 C: ζ2 Aγ2、ζ2Gγ2 D: ζ2 Aγ2、 E: α2δ2 、α2β2

正常人血红蛋白多肽链的组成是 A: α2β2 B: α2γ2 C: α2ε2 D: α2δ2 E: σ2β2

函数[img=79x27]180355ae2690a03.png[/img]在x=2处的二阶泰勒展开式为 A: exp(sin(2))+cos(2)*exp(sin(2))*(x-2)+exp(sin(2))*(sin(2)/2-cos(2)^2/2)*(x-2)^2 B: exp(sin(2))+cos(2)*exp(sin(2))*(x-2)-exp(sin(2))*(sin(2)/2-cos(2)^2/2)*(x-2)^2 C: exp(sin(2))+cos(2)*exp(sin(2))*(x-2)-exp(sin(2))*(sin(2)/2+cos(2)^2/2)*(x-2)^2 D: exp(sin(2))+cos(2)*exp(sin(2))*(x-2)+exp(sin(2))*(sin(2)/2+cos(2)^2/2)*(x-2)^2