2025托福練習(xí)題及答案

ReadingSection:

Passage1:TheHistoryofNavigation

Questions114

1.Whatisthemainpurposeofthepassage?

Answer:Todescribetheevolutionofnavigationtechniquesthroughouthistory.

2.Accordingtothepassage,whatwastheearliestformofnavigation?

Answer:Landmarksandcelestialbodies.

3.Howdidtheinventionofthemagneticcompasschangenavigation?

Answer:ItallowedsailorstonavigatemoreaccuratelybyusingtheEarth'smagneticfield.

4.Whatisthesignificanceoftheastrolabe?

Answer:Itwasanearlyastronomicalinstrumentusedtodeterminethepositionofthestarsandplanets.

5.Whatwasthemainchallengeofusingthemariner'sastrolabe?

Answer:Itsfragilityandtheneedforprecisecalculations.

6.Whatistheauthor'sopinionabouttheimportanceofcelestialnavigation?

Answer:Theauthorbelievesthatcelestialnavigationwasacrucialdevelopmentinthehistoryofnavigation.

7.Whydidthedevelopmentofthemarinechronometermarkasignificantimprovementinnavigation?

Answer:Itallowedsailorstoaccuratelydeterminetheirlongitudeatsea.

8.Whatisthepassage'soveralltonetowardsthedevelopmentofnavigationtechnology?

Answer:Thepassageisinformativeandappreciativeoftheadvancementsmadeinnavigationtechniques.

Passage2:TheRoleofBacteriainEcosystems

Questions1528

9.Whatistheprimaryfocusofthepassage?

Answer:Theroleofbacteriainmaintainingthebalanceofecosystems.

10.Howdodecomposerscontributetothenutrientcycleinecosystems?

Answer:Theybreakdowndeadorganicmatter,releasingnutrientsbackintotheenvironment.

11.Whatisthefunctionofnitrogenfixingbacteria?

Answer:Theyconvertatmosphericnitrogenintoaformthatplantscanuse.

12.Howdoesthesymbioticrelationshipbetweenplantsandmycorrhizalfungibenefittheecosystem?

Answer:Itenhancestheplant'sabilitytoabsorbnutrientsandwater,promotingoverallecosystemhealth.

13.Whataresomeofthenegativeimpactsofhumanactivitiesonbacterialpopulations?

Answer:Theuseofantibiotics,pesticides,andhabitatdestruction.

14.Accordingtothepassage,whatisthepotentialconsequenceofdisruptingbacterialcommunitiesinecosystems?

Answer:Itcanleadtoalossofbiodiversityandthedegradationofecosystemfunctions.

Passage3:TheGreatDepressionandItsImpactontheUnitedStates

Questions2942

15.WhatisthemaincauseoftheGreatDepression?

Answer:Thestockmarketcrashof1929.

16.HowdidthebankingcrisiscontributetotheseverityoftheGreatDepression?

Answer:Manybanksfailed,causingwidespreadpanicandalossofconfidenceinthefinancialsystem.

17.Whatwasthegovernment'sinitialresponsetotheeconomiccrisis?

Answer:TheHooveradministrationimplementedaseriesofreliefprograms,buttheywereconsideredinsufficient.

18.WhatwasthesignificanceoftheNewDeal?

Answer:Itwasaseriesofprogramsandreformsaimedatprovidingrelief,recovery,andreformduringtheGreatDepression.

19.HowdidtheNewDealaffecttheroleofthefederalgovernmentintheeconomy?

Answer:Itexpandedthegovernment'sinvolvementineconomicaffairs,promotingsocialwelfareandregulation.

20.WhatwastheimpactoftheDustBowlontheGreatDepression?

Answer:Itexacerbatedtheeconomichardshipbycausingwidespreadcropfailuresanddisplacementoffarmers.

ListeningSection:

Lecture1:TheBenefitsofExerciseforMentalHealth

Questions16

1.Whatisthemaintopicofthelecture?

Answer:Thebenefitsofexerciseonmentalhealth.

2.Accordingtothelecture,howdoesexerciseaffectstresslevels?

Answer:Exercisereducesthelevelsofstresshormonesinthebody.

3.Whatistheroleofendorphinsinexercise?

Answer:Endorphinsarenaturalpainkillersandmoodelevatorsreleasedduringexercise.

4.Howdoesexerciseinfluencesleeppatterns?

Answer:Regularexercisecanimprovesleepqualityandduration.

5.Whatisoneexampleofamentalhealthconditionthatcanbeimprovedbyexercise?

Answer:Depression.

6.Whatisthelecturer'soverallmessageregardingexerciseandmentalhealth?

Answer:Regularexerciseisaneffectivewaytoimprovementalwellbeing.

Lecture2:TheAmazonRainforestandBiodiversity

Questions713

7.Whatistheprimaryfocusofthelecture?

Answer:ThebiodiversityoftheAmazonRainforest.

8.HowdoestheAmazonRainforestcontributetoglobalbiodiversity?

Answer:Itishometoavastnumberofspecies,manyofwhicharenotfoundanywhereelseintheworld.

9.WhatisthesignificanceoftheAmazonRiverfortheecosystem?

Answer:Itprovidesarichsourceofnutrientsandsupportsdiverseaquaticlife.

10.HowdoesdeforestationimpactthebiodiversityoftheAmazonRainforest?

Answer:Itdestroyshabitatsandleadstotheextinctionofspecies.

11.Whatisthelecturer'sopinionontheimportanceofpreservingtheAmazonRainforest?

Answer:PreservingtheAmazonRainforestiscrucialformaintainingglobalbiodiversityandclimateregulation.

12.WhataresomeofthechallengesinconservingtheAmazonRainforest?

Answer:Economicpressures,illegallogging,andagriculturalexpansion.

13.Whatisthelecturer'sconclusionregardingthefutureoftheAmazonRainforest?

Answer:ThefutureoftheAmazonRainforestdependsonsustainablepracticesandinternationalcooperation.

WritingSection:

IndependentWritingTask:

Prompt:Doyouagreeordisagreewiththefollowingstatement?"Studentsshouldberequiredtostudyaforeignlanguageinschool."

Yourresponseshouldincludethefollowingpoints:

1.Thebenefitsoflearningaforeignlanguage,suchasimprovedcommunicationskillsandculturalawareness.

2.Thechallengesstudentsmayfacewhenlearningaforeignlanguage.

3.Yourpersonalopiniononwhetherornotstu