填空题《复合题被拆开情况》 Most scholars agree that Isaac Newton, while formulating the laws of force and gravity and inventing the calculus in the late 1600s, probably knew all the science there was to know at the t
填空题《复合题被拆开情况》 If you were to begin a new job tomorrow, you would bring with you some basic strengths and weaknesses.Success or failure in your work would depend, to a great 【C1】ex________, 【C2】________
填空题《复合题被拆开情况》 If you happen to be shopping in the Ginza district of Tokyo, you might get a message on your mobile phone telling you which of the shops you’ re near has a sale on at the【C1】mo________. But
填空题5. Which of the figures below the line of drawings best completes the series?
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Studythefollowingcartooncarefullyandwriteanessaytodescribethecartoonandgiveyourcommentsonit.Youshouldwritenolessthan160wordsontheanswersheet.
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Write on the following topic.Now in China the anti-addiction system and a "real name checking" system have been adopted in Cyber cafes to prevent players under 18 from becoming addicted to online games. What do students think about this system? What is your opinion about this?Write an essay of no less than 160 words on the answer sheet.
Plenty of drivers complain about rush hour traffic, but some have more to complain about than others. Bangkok has the worst evening rush hour traffic in the world for a second consecutive year, according to a GPS manufacturer. Traffic expert Nick Cohn said that Thailand—and many other big cities at the top of the congestion ranking—have become victims of their own success. Growing economies and surging populations translate into more traffic and commuters. Mexico City, with the second worst evening rush hour traffic, has an extensive subway system but it doesn't extend out to where all the population growth is happening.
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WriteasurveyreportonexerciseswithmostparticipantsamongyoungChineseage6to19in2014.Writethereportin120—140wordsontheanswersheet.
When she heard the bad news, her eyes______with tears as she struggled to control her emotions.
OneofLondon'smostbeautifulgardensisbeingtransformedintotheancientSilkRoadthiswintertocelebrateChineseNewYear.The65-acre18-centuryChiswickHouseGardensplayshost________thesecondannualMagicLanternFestival,withover50illuminatedinstallations,1,500lanternsand60,000lightbulbs.CelebratingtheChineseNewYearofTheRooster,thisyear'sthe________is"ExploreTheSilkRoad",aroutethatsawChinatradingitsprecioussilkandothercommoditieswithahugetranscontinentalnetworkduringtheHanDynasty.Itincludesa15-meterilluminatedsculptureoftheHousesofParliament,an________(art)replicaoftheshipthatChineseAdmiralZhengusedonhistradeexplorationsandanambitious,lanternadventureacrosstheSilkRoad,throughEurope,Asia,Arabia,Egypt,Persia,IndiaandAncientChina.The3Dlanternexperienceenjoyedasold-outrunlastyearwithahostofawardsand110,000visitors.Withspringstillnotquiteonthehor________,thisistheperfectwaytoenjoywinterandgetoutofthehousewiththefamily,saysDavidLeeofWeliCreative,whodreamtupthefestivalwithIanXiang."BeautifulChiswickHouseGardensistheperfectbackdropfortheLanternFestival"saysDavid."Itprovidesastunninglocationandcanvasforthesemagnificent,illuminatedlanternsculptures,________leavesvisitorsofallages________(delight)andhungrytosharepictureswithfriends."InChina,artistshavebeenmakingartworksformorethan2,000years,withdesignsbecomingbiggerandmoreambitiouswitheach________(pass)celebration.Londonisnodifferent.Thisyearhasevenmoreinstoreforvisitors,includingvir________realityheadsetsthatallowvisitorstoimaginetheyarerunningwithdinosaursandasyntheticicerink.AswellasAncientEgypt'sexo________pyramids,sphinxandcamels,India,PersiaandAncientRomewillalsobeupinlights,withare-imaginingofTheColosseumandagiantfireroosterproudly________(crow)attheendofwinter.Asguestsenjoymorethan75minutesontheirculturaladventure,theycansamplearangeofinternationalstreetfood,hottipplesanduniquegiftstoremembertheexperience.
China'sfirstNobelPrizewinnerinphysiologyormedicine,TuYouyou,celebratedher86thbirthdaybysigninganofficialagreementtodonate1millionyuantoestablishthePekingUniversityTuYouyouTalentAwardFoundation.Theinitiativewillprovidefinancialsupportandincentivestotheuniversity'sstudentsandyoungteachersofmedicine.Avice-chairmanoftheNationalCommitteeoftheChinesePeople'sPoliticalConsultativeConferenceandavice-ministerofeducationwitnessedthesigningatTu'sresidenceonDecember25th,2016,afewdaysbeforeherbirthdayonDecember30th."I'vegottentowhereIamnowthankstotheuniversity'smedicineprogramme,"Tusays."Ihopetheyoungergenerationcanachieveevenmore."Youngresearchersenjoyafavourableenvironmentcomparedwiththepast,asthecountryisnowverysupportiveofscienceandinnovation,shesays.Tuisbest-knownfordiscoveringtheuseofartemisinin(青蒿素)anddihydroartemisinin(双氢青蒿素)totreatmalaria(疟疾).ShesharedtheNobelPrizein2015withIrishmanWilliamCampbellandJapaneseSatoshiOmurafordevelopingtherapiesagainstmalariaandinfectionscausedbyroundwormparasites.ThatmadeherthefirstChineseNobelwinnerinphysiologyormedicine,andthefirstNobelwinnerwhoseeducationandresearchwascompletedexclusivelyinChina.TuenrolledinPekingUniversity'smedicineschool(nowthePekingUniversityHealthScienceCentre)in1951.Aftergraduation,shecontinuedherstudiesandresearchoffusingtraditionalChineseandmodernWesternmedicinesattheChinaAcademyofChineseMedicalSciences,whereshestillworks.Shewonthetopmedical-scienceprize,theLaskerAward,in2011.ShewasthefirstChinesetoclaimthehonour.Herfoundationwillaward5,000yuanperstudentand25,000yuanperteacher.Thefoundation'sannualearningswilldeterminethenumberofrecipientseachyear.ThePKUHealthScienceCentre,foundedin1912,ranksamongChina'smostprestigiousmedicalschools.Ithasearnedinternationalprominenceforitsresearchers'achievements.AndsomeoftheresearchhasbeenpublishedinthejournalScience.Questions66—70Answerthefollowingquestionsaccordingtothepassage.
I've never been there but it is, ______, a lovely place.
People often say that the history of Canada is a history of______.
Radioactivityoccursnaturally.Themainsourcecomesfromnaturalsourcesinspace,rocks,soilwaterandeventhehumanbodyitself.Thisiscalledbackgroundradiationandlevelsvaryfromplacetoplace,thoughtheaveragedoseisfairlyconstant.Theradiationwhichisofmostconcernisartificialradiationwhichresultsfromhumanactivities.Sourcesofthisincludethemedicaluseofradioactivematerials,falloutandcontaminationfromnuclearbombtests,dischargesfromthenuclearindustry,andthestorageanddumpingofradioactivewaste.Whileartificialradiationaccountsforasmallproportionofthetotal,itseffectscanbedisproportionate.Someoftheradioactivematerialsdischargedbyhumanactivityarenotfoundinnature,suchasplutonium(钚)whileotherswhicharefoundnaturallymaybedischargedindifferentphysicalandchemicalforms,allowingthemtospreadmorereadilyintotheenvironment,orperhapsaccumulateinthefood-chain.Manyoftheelementswhichourbodiesneedareproducedbythenuclearindustryasradioactiveisotopesorvariants.Someofthesearereleasedintotheenvironment,forexampleiodineandcarbon,twocommonelementsusedbyourbodies.Ourbodiesdonotknowthedifferencebetweenanelementwhichisradioactiveandonewhichisnot.Soradioactiveelementscanbeabsorbedintolivingtissues,bonesorthebleed,wheretheycontinuetogiveoffradiation.Radioactivestrontiumbehaveslikecalcium-anessentialingredientinourbones-inourbodies.Strontiumdepositsinthebonessendradioactivityintothebonemarrow,wherethebloodcellsareformed,pausingleukemia.Inmostcases,celldeathonlybecomessignificantwhenlargenumbersofcellsarekilled,andtheeffectsofcelldeaththereforeonlybecomeapparentatcomparativelyhighdoselevels.Ifadamagedcellisabletosurvivearadiationdose,thesituationisdifferent.Inmanycasestheeffectofthecelldamagemayneverbecomeapparent.Afewmalfunctioningcellwillnotsignificantlyaffectanorganwherethelargemajorityarestillbehavingnormally.However,iftheaffectedcellisagermcellwithintheovariesortesticles,thesituationisdifferent.IonizingradiationcandamageDNA,themoleculewhichactsasthecell's"instructionbook".Ifthatgermcelllaterformsachild,allofthechild'scellswillcarrythesamedefect.ThelocalizedchemicalalterationofDNAinasinglecellmaybeexpressedasaninheritedabnormalityinoneormanyfuturegenerations.Inthesamewaythatasomaticcell(体细胞)inbodytissueischangedinsuchawaythatitoritsdescendantsescapethecontrolprocesseswhichnormallycontrolcellreplication,thegroupofcellsformedmaycontinuetohaveaselectiveadvantageingrowthoversurroundingtissue.Itmayultimatelyincreasesufficientlyinsizetoformadetectablecancerandinsomecasescausedeathbyspreadinglocallyortootherpartsofthebody.Whilethereisnowbroadagreementabouttheeffectsofhigh-levelradiation,thereiscontroversyoverthelong-termeffectoflow-leveldoses.Thisiscomplicatedbythelengthoftimeittakesforeffectstoshowup,thefactthatthepopulationsbeingstudiedaresmallandexactdosesarehardtocalculate.Allthatcanbesaidisthatpredictionsmadeabouttheeffectsofagivendosevary.Agrowingnumberofscientistspointtoevidencethatthereisadisproportionatelyhighriskfromlowdosesofradiation.Othersassumeadirectlyproportionatelinkbetweenthereceiveddoseandtheriskofcancerforalllevelsofdose,whiletherearesomewhoclaimthatatlowdosesthereisadisproportionatelylowlevelofrisk.Questions56to60Fillintheblanksbelowwithinformationfromthepassage,usingnomorethanthreewordsforeachblank.
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Some bacteria______extremely harmful, but______are regularly used in producing cheeses, crackers and many other foods.