2025年英语专业四级完形填空试题解析：自然科学深度探索
一、选择题（每题1分，共15分）
1.Thestudyoftheuniversehasledtothediscoveryofmanyfascinatingfactsabout__________.
A.theEarthsatmosphere
B.outerspace
C.thesolarsystem
D.themoon
2.Thetheoryofevolutionissupportedbyevidencefrom__________.
A.paleontology
B.geology
C.chemistry
D.physics
3.Photosynthesisisaprocessthatconverts__________intoglucose.
A.sunlight
B.carbondioxide
C.water
D.alloftheabove
4.TheDopplereffectisobservedwhen__________.
A.asourceofsoundmovestowardsanobserver
B.asourceofsoundmovesawayfromanobserver
C.anobservermovestowardsasourceofsound
D.anobservermovesawayfromasourceofsound
5.Thegreenhouseeffectiscausedby__________.
A.thereflectionofsunlightbytheEarthssurface
B.theabsorptionofinfraredradiationbytheatmosphere
C.thereleaseofheatfromtheEarthsinterior
D.therotationoftheEarthonitsaxis
二、填空题（每空1分，共10分）
6.Theprocessofphotosynthesistakesplaceinthe__________ofplants.
7.The__________theoryexplainstheformationofthesolarsystem.
8.The__________effectisusedtomeasurethespeedofstars.
9.The__________isthemostdistantobjectthatcanbeseenwiththenakedeye.
10.The__________layeroftheEarthiscomposedofsolidrock.
三、翻译题（每题2分，共10分）
11.ThestudyoftheEarthscrusthasrevealedtheexistenceofmanymineralsandmetalsthatareessentialforhumansurvival.
12.ThetheoryofplatetectonicsexplainsthemovementoftheEarthslithosphere,whichleadstotheformationofmountains,volcanoes,andearthquakes.
13.TheDopplereffecthasbeenusedtostudytheexpansionoftheuniverseandthemotionofgalaxies.
14.ThegreenhouseeffectisanaturalprocessthathelpstomaintaintheEarthstemperature,buthumanactivitieshaveincreaseditsintensity.
15.ThediscoveryoftheDNAmoleculehasrevolutionizedourunderstandingofgeneticsandtheinheritanceoftraits.
四、简答题（