Unit 1 Discovering useful structures 课后检测练-2022-2023学年高中英语人教版2019选择性必修第二册

Unit1ScienceandScientists——Discoveringusefulstructures一、完成句子1.Thefactwas________.

事实是他没有做真正的努力。2.Thequestionis____________.

问题是明天是否会下雨。3.Itseems______________.

看起来她认识米莉已有好多年了。4.That’s______________.

那就是我第一次遇见她的地方。5.Theproblemis______________.

问题是谁才真正适合做这份艰苦的工作。6.That’s___________________.

那就是我写信发表我自己的观点的原因。7.Thequestionremains_________________.

问题还是他们能否帮我们。8.Thelittlegirlisnolonger_____________.

这个小女孩已经不再是以前的那个小女孩了。二、阅读理解StudyingtheDNAof300micehasflaggedupgeneswhichhavebeenlinkedtohereditary(遗传的)sightlossforthefirsttime.Researcherssaybecausemice’sgenesaresosimilartohumans’,theirfindingscouldleadtothetreatmentofmoregeneticdiseases.ScientistsattheUniversityofCalifornia,Davisstudiedinformationfromadatabankofmice’sgeneticmaterial.Theyfound347geneslinkedtoeyeproblems,withjust86ofthemhavingbeenstudiedinthepast.Onlyaround50to75percentofhereditaryeyediseasesinhumancanbeexplainedwithpresentscience.Theresearchersbelievethesehundredsofnewgenesfoundinmicecouldbeakeytoexplaining—andthereforebeingabletotreattheother25—50percent.“Thisisextremelyvaluableforpeoplewithhereditaryeyedisease,”saidresearcherProfessorAlaMoshiri.“Allresearchersaregoingtostartusingthesedata.Inthepast,weknewtheproblemwastherebutwedidn’tknowwheretolook.Noweyecenterscancallbackpatientsandscreenthemforthesenewgenes.Weexpectedthatmoreandmoreofthesegeneticdiseaseswillbetreatable.”Also,thefactisthatmorethan60percentofeyeproblemsatbirthareonesresultingfromthebaby’sparents!ThankstodatafromtheInternationalMousePhenotypingConsortium(IMPC),whichistryingtoworkoutwhateverysinglegeneinamouseisresponsiblefor,withtheaimoftranslatingittohumans,scientistsaremovingclosertofiguringoutallgeneticcausesofblindness.Todothis,scientistsseparateasinglegenefromotheronesatatimeandthenobservewhateffectithasonthemouseforalongtime.Thishassofarbeendonemorethan7,000timesandhasachievedgreatsuccess.ResearchersarenowworkingalongsideeyecarecentersinTexasandIowainordertocomparethemice’sgenestothoseofpatients.1.Howmanyhereditary-sight-loss-relatedgeneswerenewlyfound?A.86.B.261.C.300.D.347.2.WhyisthepercentageofgeneticeyeproblemsmentionedinParagraph3?A.Toshowthesignificanceofstudyingmice’sgenes.B.Toprovemice’sgenesaresimilartohumans’.C.Towarnthehighrisklevelofsufferingthem.D.Toexplainhowcommontheyareamongpeople.3.Whatshouldscientistsdofirsttounlocksecretsofgeneticblindness?A.Comparehumans’geneswithmice’s.B.Recognizeeachgene’sroleofhumans.C.Setapartageneofamouseeachtime.D.Figureouteachgene’sfunctionofamouse.4.Whatcanbeasuitabletitleforthetext?A.NewWaystoCureSightLossB.GenesFoundBehindEyeProblemsC.GeneticDiseasesDiscoveredinMiceD.Humans’GenesCausingEyeDiseases三、阅读填句根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,选项中有两项为多余选项。FlorenceNightingalewasnamedafterherbirthplace,Florence,Italy.Whenshewasalmostoneyearold,shereturnedwithherfamilytoEngland.Florenceoftenhelpedhermotherdeliver(运送)foodtothepoorandsick.1Herfamilywasshockedbecausenursingwasnotarespectedprofession(职业).ButFlorencewasdetermined.Shestudiedbooksonmedicine.Later,shevisitedhospitalsinFrance,GermanyandIrelandandlearnedeverythingshecould.2

In1854,BritainwasatwarwithRussia.FlorencewenttotheBritishhospitalinScutariandshewasshocked.Thehospitalleftmenlyingonthefloor,andratswererunningeverywhere.3Manysoldiersdiedbeforereceivinghelp.

Thedoctorswouldn’tlistentoFlorencebecausetheydidn’tliketheideaofwomeninarmyhospitals—untiloneday500unexpectedcasualties(伤亡者)arrived.4Florencemadechanges,makingsurethemenwerewashedandtheirinjurieswerecaredfor.Everynightshewouldcheckthepatientswithherlamp.Whenshereturnedhomeafterthewar,afundhadbeensetupinherhonor.Manyofthesoldiersshehadnursedhadmadecontributions(捐款).NowshecouldsetuptheNightingaleTrainingSchoolinLondon.

Afteryearsofhardwork,FlorenceNightingalesawcleanerandmorecheerfulhospitals.5Allofthiswasbecauseofthe“ladywiththelamp”.

A.Nursingbecameanhonoredprofession.B.Therewasnorunningwaterandnoheat.C.Sheknewshehadmuchtolearnaboutnursing.D.Florencesawthesoldiers’healthhadimproved.E.Asshegrewolder,shedecidedtobecomeanurse.F.TheysoonrealizedthatFlorencecouldgiveahand.G.Uponreturninghome,shewasanexpertonhospitalmanagement.一、完成句子1.thathedidn’treallytry2.whetheritwillraintomorrow3.asif/thatshehadknownMillieforyears4.whereIfirstmether5.whoisreallyfitforthehardjob6.whyI’mwritingtovoicemyopinion7.whethertheywillbeabletohelpus8.whatsheusedtobe二、阅读理解1.B。推理判断题。根据第二段Theyfound347geneslinkedtoeyeproblems,withjust86ofthemhavingbeenstudiedinthepast.可知,他们发现347个基因与眼睛问题有关,其中只有86个基因在过去被研究过。即新发现与遗传性失明相关的基因有:347-86=261个。2.A。细节理解题。由第三段Theresearchersbelievethesehundredsofnewgenesfoundinmicecouldbeakeytoexplaining—andthereforebeingabletotreattheother25-50percent.可知,研究人员认为,在老鼠身上发现的数百种新基因可能是解释这一现象的关键,因此能够治疗另外25%至50%的疾病。即第三段提到遗传性眼睛问题的百分比是为了展示研究老鼠基因的重要性。3.C。细节理解题。由最后一段Todothis,scientistsseparateasinglegenefromotheronesatatimeandthenobservewhateffectithasonthemouseforalongtime.可知,科学家们一次将一个基因从其他基因中分离出来,然后观察它在很长一段时间内对老鼠有什么影响。即为了解开基因性失明的秘密,科学家们首先应该每次从老鼠身上分离出一个基因。4.B。主旨大意题。文章主要内容:科学家