内矿山通常把钎头直径为()的接杆凿岩炮孔称为中深孔
A、49mm-73mmB
暂无解析
_____nocauseforalarm,theoldmanwentbacktohisroom.
Withoutregularsuppliesofsomehormonesourcapacitytobehavewouldbeseriouslyimpaired;withoutotherswewouldsoondie.Tinyamountsofsomehormonescanmodifymoodsandactions,ourinclinationtoeatordrink,ouraggressivenessorsubmissiveness,andourreproductiveandparentalbehavior.Andhormonesdomorethaninfluenceadultbehavior;earlyinlifetheyhelptodeterminethedevelopmentofbodilyformandmayevendetermineanindividual’sbehavioralcapacities.Laterinlifethechangingoutputsofsomeendocrineglandsandthebody’schangingsensitivitytosomehormonesareessentialaspectsofthephenomenaofaging.
Communicationwithinthebodyandtheconsequentintegrationofbehaviorwereconsideredtheexclusiveprovinceofthenervoussystemuptothebeginningofthepresentcentury.TheemergenceofendocrinologyasaseparatedisciplinecanprobablybetracedtotheexperimentsofBaylissandStarlingonthehormonesecretion.Thissubstanceissecretedfromcellsintheintestinalwallswhenfoodentersthestomach;ittravelsthroughthebloodstreamandstimulatesthepancreastoliberatepancreaticjuice,whichaidsindigestion.Byshowingthatspecialcellssecretchemicalagentsthatareconveyedbythebloodstreamandregulatedistanttargetorgansortissues.Baylissandstarlingdemonstratedthatchemicalintegrationcouldoccurwithoutparticipationofthenervoussystem.
Theterm“hormone”wasfirstusedwithreferencetosecretion.StarlingderivedthetermfromtheGreekhormone,meaning“toexciteorsetinmotion.Theterm“endocrine”wasintroducedshortlythereafter“Endocrine”isusedtorefertoglandsthatsecretproductsintothebloodstream.Theterm“endocrine”contrastswith“exocrine”,whichisappliedtoglandsthatsecrettheirproductsthoughductstothesiteofaction.Examplesofexocrineglandsarethetearglands,thesweatglands,andthepancreas,whichsecretspancreaticjuicethroughaductintotheintestine.Exocrineglandsarealsocalledductglands,whileendocrineglandsarecalledductless.
1.Whatistheauthor’smainpurposeinthepassage?
A.Toexplainthespecificfunctionsofvarioushormones.
B.Toprovidegeneralinformationabouthormones.
C.Toexplainhowtheterm“hormone”evolved.
D.Toreportonexperimentsinendocrinology.
2.Thepassagesupportswhichofthefollowingconclusions?
A.Thehumanbodyrequireslargeamountsofmosthormones.
B.Synthetichormonescanreplaceaperson’snaturalsupplyofhormonesifnecessary.
C.Thequantityofhormonesproducedandtheireffectsonthebodyarerelatedtoaperson’sage.
D.Theshortchildoftallparentsverylikelyhadahormonedeficiencyearlyinlife.
3.ItcanbeinferredfromthepassagethatbeforetheBaylissandStarlingexperiments,mostpeoplebelievedthatchemicalintegrationoccurredonly___.
A.duringsleep.
B.intheendocrineglands.
C.undercontrolofthenervoussystem.
D.duringstrenuousexercise.
4.Theword“liberate”couldbestbereplacedbywhichofthefollowing?
A.EmancipateB.DischargeC.SurrenderD.Save
5.Accordingtothepassageanothertermforexocrineglandsis___.
A.ductglands
B.endocrineglands
C.ductlessglands
D.intestinalglands.
Evenifhisletter()tomorrow,it()toolatetodoanything.
PartIIVocabularyandStructure
Directions:Inthisparttherearefortyincompletesentences.Eachsentenceisfollowedbyfourchoices.ChoosetheonethatbestcompletesthesentenceandthenmarkyouranswerontheAnswerSheet.
21.Agreatmanycancerscanbecuredbutonlyifbeforetheyhavebeguntospreadorcolonizeinotherpartsofthebody.
A.properlytreat
B.properlytreating
C.beingproperlytreated
D.properlytreated
22.sheisalikeablegirl,sheisverydifficulttoworkwith.
A.SinceB.HoweverC.AsfarasD.While
23.Allthetouristsgavetherobbertheirmoney.
A.frightenedB.frighteningC.frightenD.frightful
24.herage,shereallydidagoodjobinsuchashorttime.
A.GivingB.GivesC.GiveD.Given
25.Thesoldierwaswithneglectinghisduty.
A.chargedB.conductedC.chargedD.committed
26.Thereasonwhythecarstoppedwas.
A.becausetheroadwasnotgoodB.thattheroadwasnotgood
C.duetothebadroadD.becauseofthebadroad
27.You’dbetterhurry,youmightbelateforclass.
A.orB.andC.unlessD.but
28.,heperformedthetaskwithsuccess.
A.ItwasexpectedB.Whichwasexpected
C.AswasexpectedD.Thatwasexpected
29.ThedoctorfeltJohn’sarmtoifthebonewasbroken.
A.workoutB.findoutC.lookatD.seeout
30.Hejustmysuggestionatthemeetingyesterday.
A.putawayB.shutdownC.showedoffD.brushedaside
31.Thequestionatthenextmeetingremainasecret.
A.discussedB.todiscussC.tobediscussedD.beingdiscussed
32.Hislazinesshisfailureinthefinalexam.
A.gaveupB.contributedC.resultedinD.distributed
33.Theteacher’stomystatementaboutthispoetledmetoreadwidelyaboutpoems.
A.changeB.chargeC.challengeD.chance
34.Onmostofthenights,Janereadinglettersfromherboyfriend.
A.stayedoffB.stayedonC.stayedoutD.stayedup
35.Thefirst-yearstudentswerelearningformthearmyinMiyun,asuburbofBeijingnearIlived.
A.whatB.whereC.thatD.which
36.Lyndaandhundredsofyoungpeoplelikehimthepostoftypist.
A.approachedB.appliedforC.appealedtoD.approvedof
37.Anybodyisentitledtosuchbenefitofageorsex.
A.regardlessB.whetherC.inspiteD.incase
38.Inthisbuildingeachapartmentcouldafamilyofsix.
A.houseB.coverC.makeD.include
39.Itriedtogetoutofthebusiness,Ifoundimpossible.
A.whoB.whichC.thatD.what
40.Whenheexplaineditagainandagain,thestudent’spatience.
A.ranoverB.ranonC.ranoutD.ranoff
41.WhenherneighborGrandmaWangbecameill,thegirloften.
A.fittedinB.workedoutC.heldbackD.helpedout
42.Ifyoureallywanttoapplyforthedangerousjob,Iwon’t,thoughtIthinkit’sacrazyidea.
A.stoodinyourwayB.standontheway
C.standinyourwayD.standbytheway
43.Hewastryingtoread;,thephonekeptringing.
A.meanwhileB.thenC.laterD.afterwards
44.Iamoutofthosepeoplewholikeastrenuous(费力的)holiday;Ibelievein.
A.tookiteasyB.takeniteasy
C.takingiteasyD.takingiteasily
45.Thepolicematchedthefingerprintsandfoundtheywere.
A.equivalentB.identicalC.similarD.equal
46.Formally,intheUnitedStates,manynursesworkedasprivatedutynursesinhospitals.
A.otherthanB.morethanC.lessthanD.ratherthan
47.Ifyoudon’tmind.Idomyhomeworkthanplaycardswithyou.
A.hadbetterB.preferC.wouldratherD.wouldlike
48.Theirideawastogetustothestrikeatonce.
A.callatB.calloffC.callinD.callfor
49.MycarsoIhadtocomebybus.
A.felldownB.brokedownC.felloverD.turnedaway
50.Icouldtellhewassurprisedfromtheonhisface.
A.appearanceB.sightC.expressionD.explanation
51.Whichis,NorthAmericaorSouthAmerica?
A.biggestB.thebiggestC.morebiggestD.bigger
52.Youshouldobservecarefullyhowtheaudiencehisspeech.
A.reachtoB.refertoC.reacttoD.relateto
53.Thesefarmersgotagoodharvestlastyear,sotheyabigsumofmoneyfornewfarmmachines.
A.setasideB.setaboutC.setupD.setback
54.Oneofmysayingsis“wherethereisawill,thereisaway.”
A.likelyB.favorableC.alikeD.favorite
55.Allisacontinuoussupplyoffueloil.
A.whatisneededB.thatisneeded
C.thethingisneededD.fortheirneeds
56.Thehighincometaxisharmfulitmaydiscouragepeoplefromtryingtoearnmore.
A.inthatB.thatC.inwhichD.which
57.Anewtechniqueout,theyieldincreasesby20%.
A.havingworkingB.havingbeenworked
C.atalossD.forgood
58.Thebirdflewintotheairandwassoon.
A.outofsightB.inahurryC.atalossD.forgood
59.ItisdecidedthatheforabustomeettheguestsfromBeijing.
A.callB.callsC.arrangeD.arranges
60.Iknowit’snotimportantbutIcan’thelpaboutit.
A.tothinkB.thinkingC.andthinkD.beingthought
翻译训练:普通话与方言
中国土地广阔,人口众多。尽管全国都讲汉语,但是不同地区的人说汉语的方式不同,这被称为方言。方言一般被称为地方话,是汉语在不同地区的分支,只在特定地区使用。汉语方言非常复杂。它们有以下三方面不同:发音、词汇和语法。发音的区别最为显著。2000多年前,中国人发现社交时应该使用统一的语言。和方言相比,普通话(mandarin)能被所有人理解。普通话有利于不同种族、地区人民之间的信息传递和文化交流。