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英语第一节(共15小题；每小题2分)阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。AAlthoughenvironmentalproblemshaveexistedforcenturies,somepeoplestillcarelittleaboutourenvironment.Problemslikeicemelting,electronicwastearelightingupnewsprogramsandbecomingpartofanongoingdialogueabouttheenvironment.Asateenager,whatdoyouthinkalltheproblemsmeanforyourfutureandforthefutureoftheplanet?ForourOctober2016writingcontest,wewantyoutoreallyconsiderwhatyouthinkaboutenvironmentalproblems.Usethesequestionstohelpfocusyouressay(文章)■Whatenvironmentalproblemdoyouthinkshouldcausethegreatestalarmandaction?■Doyouthinkthatyouhaveapersonalresponsibilitytohelpsolveenvironmentalproblemsordoyoufeelhelplessagainstthestruggle?■Whatdoyouthinkcouldhelpaspecificenvironmentalproblem?Don'ttrytoanswerallthesequestions.Useoneofthemtomakeapersonalessay.ThetitleoftheessayWhenyouhandinyouressay,titleitas:EnvironmentalProblems：________.Includethephrase“EnvironmentalProblems”asthebeginningofyouressaytitle,butthenmaketherestofyourstorytitleunique.Examples：■EnvironmentalProblems:TrashyBehaviorandthePlasticBottle■EnvironmentalProblems:WeCan'tExistIfWeRefusetoChangeRules：(1)Thisisanonfictionessaycontest.(2)Essaysare500wordsorless.(3)Essaysmustbeyouroriginalwork.Thedeadline：MidnightOct.30,2016Results：ThewinnerwillbepostedonourwritingcontestwebsiteoronTeenTrendReportafterNov.26,2016.1．Whatisthetextmainlyabout?A．Howtowriteanessay.B．Howtoprotectourplanet.C．October2016writingcontest.D．Someenvironmentalproblems.2．Whichofthefollowingessayswillbeaccepted?A．A300wordessaytakenfromthenewspaper.B．A400wordessayonairpollution.C．A500wordessayfullofimagination.D．A600wordessayonplasticbottles.3．Howcanoneknowtheresultofthecontest?A．Bysendinganemail.B．Byvisitingthewebsite.C．Bycallingtheorganizer.D．Byreadingascientificreport.BAreyoubadatmath?Ifyouansweryes,considerthisquestion:Areyoubadatmathbecauseyoudidn'tstudyhardenoughtolearnthematerialorbecauseyoulacktheabilitytobegoodatit?Asitturnsout,manychildrenbelievethattheydon'tdowellonmathtestsbecausethey'reintellectuallyincapable(无能的)ofunderstandingthematerial.Theyhavenoreasontotryharder,thustrappingtheminastateofbeingbadatmath.EducatorsMilesKimballandNoahSmitharguethatthisisabigproblem,“MathisthegreatmentalsubjectofanunconfidentAmerica.Ifwecanconvinceyouthatanyonecanlearnmath,itshouldbeashortsteptoconvincingyouthatyoucanlearnjustaboutanything,ifyouworkhardenough.”PsychologistCarolDwecktookonthetaskofconvincingagroupofstudentsthatiftheyworkedhardtheycouldbecomesmarter.Thetrulyremarkablepartofthatstudywasnotthatthekidsimprovedandearnedhighergrades;itwasthatDwecknotedthatafewofthetoughboysinthegroupwerebroughttotears,learningthatthelevelofintelligencetheycouldreachwaslimitless—itwasentirelyuptothem.Ofcourse,notallofuswillbecomegeniusmathematicians,butthemajorityofuscanbecomeskilledandmaybeevengoodatmath.AsMashablepointsout,whiledyscalculia(计算障碍),amathdisability,isarealthing,only6percentofthepopulationislikelytohaveit.Fortherestofus,it'saconfidenceproblem,oralackofbeliefthatwithhardwork,we'llimprove.Thankfully,wenowknowbetter,andwecanpassonthat_informationtothenextgeneration.4．Manypeopledon'tworkhardatmathbecausetheythinkthat________.A．theirintelligenceishighB．mathisnotworthlearningC．it'suselesstoputintheeffortD．theyhaveunderstoodthematerial5．AccordingtoMilesKimballandNoahSmith,________.A．mathisabigproblemtodealwithB．mostAmericansdon'tlikemathatallC．mathisanimportantsubjectatschoolD．onecanlearnanythingaslongasheworkshard6．InCarolDweck'sstudy,thestudents________.A．passedthetestseasilyB．becamegoodatmathsoonC．didn'tgethighergradesinthetestD．knowtheirintelligencedependsonthemselves7．Whatdoestheunderlinedpart“thatinformation”referto?A．Mathdisabilitydoesn'treallyexist.B．Everyoneislikelytolearnmathwell.C．Mathcannotbeignoredatanytime.D．Confidenceisimportantinone'slife.CWhenshewasstudyingtobecomeascientist,MeganStraussrodeinasmallairplanetostudygiraffes.WhileapilotflewovertheSerengetiinTanzania,Africa,theresearcherslookeddowncarefullyandcountedgiraffes.Iamalwaysamazedhoweasilywecanspotwarthogsandothersmallanimals,yetwesometimeshavetroubleseeinggiraffes.Giraffesareslenderinshape,andtheymaynotthrowagoodshadow,saysDr.Strauss,whohassincebecomeawildlifescientist.TheSerengetiisaboutthesizeofVermont,astateinthenortheasternUS,sothescientistscouldnotstudytheentirearea.Instead,theysurveyedthreeareaswheregiraffeswerestudiedinthe1970s.Astheyexpected,theysawfarfeweroftheseanimals.Tofindoutiflionshadbeenkillingmoregiraffesinrecentyears,theteamlookedatthesurvivalofyounggiraffes.Lionskillmoreyounggiraffesthanadults,buttheteamfoundnodecreaseinyounggiraffes'survivalaftertheyareborn,comparedwiththe1970s.Theteamthenlookedatwhethertoomanygiraffeswerebeingkilledbyparasites(寄生虫）.Theresearcherscountedparasiteeggsingiraffedroppings,andtheyfoundtoofewtoharmthegiraffepopulation.Theylookedintowhetherpoachers(盗猎者)werekillingtoomanygiraffes.Twooftheareastheystudiedarewheregiraffemeatissometimessoldinlocalmarkets.Poacherscatchmoreadultmalesthanothergiraffes.Researchersspottedtoofewmalescompa