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1、专题06阅读理解IV词义猜测题词义猜测题--讲•练•测---测案时间：45分钟满分：50I.阅读理解（词义猜测题）A【山东省潍坊市2021届高三3月高考模拟】Anewstudy,publishedthisweekinthejournalFrontiersinVeterinaryScience,revealsthatnon-humananimals'tearsarenotsodifferentfromourown.Thechemicalsimilaritiesaresogreat,infact,thatthecompositionofothersp
2、ecies'tears—andhowthey'readaptedtotheirenvironments-mayprovideinsightsintobettertreatmentsforhumaneyedisease.Previously,scientistshadstudiedcloselyonlythetearsofahandfulofmammals,includinghumans,dogs,horses,camels,andmonkeys.Inthenewstudy,Brazilianveterinariansanalyzedthetear
3、sofreptilesandbirdsforthefirsttime,focusingonsevenspecies.Tears,whicharereleasedfromteartubes,formafilmovertheeyethat'scomposedofthreeingredients:mucus,waler,andoil.Themucuscoatstheeyessurfaceandhelpstoattachthefilmtotheeye,thewaterisanaturalsaltysolutioncontainingcrucialprot
4、einsandminerals,andtheoilpreventstheeyefromdryingout.Humansaretheonlyknownspeciestoproduceemotionaltears;theexpression"crocodiletears,"whichreferstoaperson'sphonydisplayofemotion,comesfromthemysterioustendencyofcrocodilestoreleasetearsastheyeat.Buttearsplaykeyrolesbeyondweepi
5、ng,notesLionelSebbagatIowaStateUniversity,whowasnotinvolvedinthenewresearch.Theyhelpwithvisionbylubricatingandclearingtheeye.Theyalsoprotecttheeyeagainstinfectionandprovidenutritiontothecornea,theeye'sclearouterlayer,whichlacksbloodtubes,hesays.Learninghowreptilesandbirds'use
6、tearsmayalsoinspirenewmedicationsforconditionssuchasdryeye,whichoccurswhenteartubesdon'tproduceenoughoil.Thedisease,commonincats,dogs,andpeople,cansometimesleadtoblindness.1．Whatisparagraph3mainlyabout?7/7A．Thesourceoftears.B．Thecompositionoftears.C．Theclassificationoftears,D
7、．Thedefinitionoftears.2．Whatdoestheunderlinedword"phony”inparagraph4mean?A．Tricky.B．Regretful.C．Cold.D．False.3．WhichstatementdoesLionelSebbagagreewith?A．Weepingcontributestoeyedisease.B．Thecorneahasrichbloodtubes.C．Tearsoilandcleartheeyes.D．Moretearsmeanbettervision.4．Whatmig
8、htbethebesttitleforthetext?A．Tears,abarriertoeyesB．Abettertreatmentf
