托福阅读考试经典题型精编.docx

托福阅读考试经典题型

托福阅读考试经典题型 大家把理论知识学习好的同时，也应该要复习，从复习中找到自己的`不足，以下是小编为大家搜索整理的托福阅读考试经典题型，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网! Questions Accordingtosomescientists,migratorybirdsshouldbeabletowithstandthewinter. Abirdsfeatherycoatisgoodinsulationagainstthecold.BECauseabirdiswarm-blooded,itsbodytemperaturealwaysremainsconstant,evenifthetemperatureofitssurroundingschanges. Thefactorsthattriggermigratorybehaviorinbirdsaredifficulttoexplain.Thisbehaviorseemstobeinstinctive,notlearned.Forexample,manynorthernspeciesleavetheirsummerhomeswhiletheweatherisstillwarmandthefoodsupplyplentiful.Youngarcticternsbornatthearcticbreedinggroundswilllakeoffwiththeflockfordistantlandstheyhaveneverseen. Birdmigrationsareprobablyregulatedbytheglandularsystem.Scientistssuspectthatthechanginglengthofthedayisthefactorthattriggersmigratorybehavior.Inanexperiment,migratorybirdswerekeptinartificiallylightedrooms.Itwasfoundthatifperiodsofdarknesswerelengthenedproportionately,theglandsofthebirdsbecameactive.Theseglandssecretehormones,whicharechemicalsthatcontrolnumerousbodyfunctions.Shorterperiodsofdaylightseemtochangethehormonebalanceofbirds,sothattheyretainmorefat.Thisstoredfatisthefuelthatprovidestheenergyforalongflight.Thesameexperimentrevealedthatthebirdsbecamemoreexcitedastheartificialnightwaslengthened.Itisprobablynocoincidencethatmostflocksbegintheirmigratoryflightsduringthenight. 11.Whatdoesthepassagemainlydiscuss? (A)Commonmigratorypathsforbirds (B)Whybirdsmigrate (C)Speciesofbirdsthatdonotmigrate (D)Migrationincoldclimates 12.Theword"withstand"inline1isclosestinmeaningto (A)prefer (B)tolerate (C)regulate (D)understand 13.Accordingtothepassage,whichofthefollowingprotectsbirdsagainstcoldweather? (A)Glands (B)Hormones (C)Feathers (D)Artificiallight 14.Theword"constant"inline3isclosestinmeaningto (A)invariable (B)persistent (C)predictable (D)responsive 15.Theword"its"inline3refersto (A)temperature (B)cold (C)coat (D)bird 16.Inlines7-9,theauthormentionsyoungarcticternsasane