2022職稱英語等級考試理工AB類模擬試卷(1)4

2022職稱英語等級考試理工AB類模擬試卷(1)4閱讀下面的短文，文章中有5處空白，文章后有6組文字，請依據(jù)文章的內(nèi)容選擇5組文字，將其分別放會文章原有位置，以恢復文章原貌。請將答案涂在答題卡相應(yīng)的位置。

Vitamins

Vitaminsareorganiccompoundswhicharepresentincertainfoodsandareessentialtothehealthofmenandotheranimals.__1__.Withoutthesesubstances,thebreakdownandabsorptionoffoodscouldnotoccur.Certainvitaminsparticipateintheformationofbloodcells,hormones,nervoussystemchemicals,andgeneticmaterials.__2__.Fat-solublevitaminsincludevitaminsA,D,EandK.Thewater-solublevitaminsincludevitaminCandtheB-vitamincomplex.

Fat-solublevitaminsareusuallyabsorbedwithfoodsthatcontainfat.Excessiveamountsofthesevitaminsarestoredinthebody”sfat,theliverandkidneys.Becausefat-solublevitaminscanbestored,theydonothavetobeconsumedeveryday.

__3__.AdeficiencyofvitaminAleadstoskinchangesandnightblindness,orfailureoftheeyetoadapttothedark.VitaminAcanbeobtaineddirectlyfromfoodsofanimaloriginsuchasmilk,eggs,andliver.__4__.

VitaminDactsmucklikeahormoneandregulatescalciumandphosphorusabsorptionandmetabolism.SomevitaminDisobtainedfromsuchfoodsaseggs,fish,liver,butter,andmilk.ButhumansgetmostoftheirvitaminDfromexposureoftheskintosunlight.AdeficiencyofvitaminDleadstoboneproblems.

TheroleofvitaminEinthehumanbodyhasnotbeenestablished.__5__VitaminEisfoundinseedoilandwheat.

VitaminKisnecessaryfortheclottingofblood.Itisproducedinsufficientquantitiesbybacteriaintheintestine,butisalsoprovidedbyleafygreenvegetablesandeggs.

Thewater-solublevitamins,CandBcomplex,cannotbestoredandthereforeneedtobeconsumeddailytosatisfythebody”sneeds.VitaminCisimportantintheformationandmaintenanceofconnectivetissue.Itprotectsgums,skin,andmucousmembranes.Itismainlyfoundinfruitslikeoranges.

B-complexvitaminsserveawiderangeofimportantmetabolicfunctionsandpreventsomediseases.Theyarefoundmostlyintheliver.

A.Vitaminsareclassifiedintotwogroups,thatis,thefat-soluble(溶解脂肪的)andthewater-soluble（溶解水的）vitamins.

B.Theirfunctionsaremainlytoenhancethemetabolism（新陳代謝）ofproteinsandfats.

C.Itisnecessaryforahealthylife.

D.VitaminAisessentialfornormalgrowthandforthehealthofepithelialcells.

E.Ithasbeenpopularlyadvocatedforagreatvarietyofdiseases,butnoclearevidenceexiststhatiteasesanyspecificdisease.

F.VitaminAcanalsobeobtainedthrougheatinggreenandyellowfruitsandvegetables

第六局部：完型填空（每題1分，共15分）

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RiseinnumberofCancerSurvivors

CanceristhesecondcauseofdeathintheUnitedStates,afterheartdisease.Inthe__1__,itwasoftenconsideredadeathsentence.Butmanypatientsnowlivelonger__2__ofimprovementsindiscoveryandtreatment.

Researcherssaydeath__3__intheUnitedStatesfromallcancerscombinedhavefallenforthirtyyears.Survivalrateshaveincreasedformostofthetopfifteencancersinbothmenandwomen,andforcancersin__4__.

TheNationalCancerInstituteandtheCentersforDiseaseControlandPreventionstudiedthenumberofcancersurvivors.Acancersurvivorisdefined__5__anyonewhohasbeenfoundtohavecancer.Thiswouldincludecurrentpatients.

Thestudycoveredtheperiod__6__1971to2022.theresearchersfoundtherearethree__7__asmanycancersurvivorstodayastherewerethirtyyearsago.In1971,theUnitedStateshasaboutthree-million__8__survivors.Todaythereareaboutten-million.

Thestudyalsofoundthat64%ofadultswithcancercanexpecttostillbe__9__infiveyears.Thirtyyearsago,thefive-yearsurvivalratewas50%.Thegovernmentwantsto__10__thefive-yearsurvivalrateto70%by2022.

Theriskofcancerincreaseswithage.Thereportsaysthemajorityofsurvivorsare65yearsand__11__.

Butitsaysmedicalimprovementshavealsohavealsohelpedchildrenwithcancerlive__12__longer.Researcherssay80%ofchildrenwithcancerwillsurviveatleastfiveyearsafterthediscovery.About75%willsurviveat__13__tenyears.

Inthe1970s,thefive-yearsurvivalrateforchildrenwasabout50%.Inthe1960s,mostchildrendidnotsurvivecancer.Researchers__14__theyexpectmoreimprovementsincancertreatmentinthefuture.Infact,theysaytraditionalcancer-preventionprogramsarenotenoughanymore.Theysaypublichealthprogramsshouldalsoaimtosupportthe__15__numbersofcancersurvivorsandtheirfamilies.

1.A.pastB.presentC.futureD.old

2.A.dueB.becauseC.despiteD.regardless

3.A.chancesB.resultsC.ordersD.rates

4.A.menB.womenC.childrenD.people

5.A.asB.byC.atD.for

6.A.betweenB.fromC.duringD.since

7.A.numbersB.periodsC.timesD.rounds

8.A.cancerB.accidentsC.floodD.fire

9.A.strongB.alive