小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com课时作业(五)Unit2SectionⅡGrammarandusage&IntegratedskillsⅠ.阅读理解ABreathingissomethingyoudoalldaylong,withouteventhinkingaboutit.However,youmightbedoingitwrong.Researchshowsthatthewayyoubreatheaffectstheamountofoxygenyoutakein,aswellashowyouthinkandfeel.Sowhichisit?Doyoubreathethroughyournoseoryourmouth?Somehealthexpertsrecommendpeoplebreatheinthroughtheirnoseandoutthroughtheirmouth.Otherssaythatpeopleshouldjustfocusonbreathingeasily,payingnoattentiontotheirmouthornosepreference.Butmouthbreathinghasalsobeenconnectedwithbadbreath,snoring(打呼噜),highbloodpressureandbadteeth.Nosebreathingmayaffecthowmemoriesarestabilized(稳定)inourbrains,accordingtoSwedishresearchers.Duringtheirstudy,participantssmelled12differentsmellsandthenwereaskedtobreatheeitherthroughtheirnoseormouthforanhourafterwards.Then,theywerepresentedwiththeoriginalsetofsmellsandanewset.Thosewhosmelledwiththeirnoserememberedthesmellsbetter.Aresearchteamrecognizedthedifferencesinbrainactivitythatoccurredwhensevenepilepsy(癫痫)patientsbreathedthroughtheirnoseorthroughtheirmouth.Theteamfoundthreeareasofthebrainwhereactivityisconnectedwithbreathing.Theseareasshowedmorechangesinbrainactivityonlywhenvolunteersbreathedthroughtheirnose.So,shouldmouthbreatherschangetheirbreathinghabits?Ifyou'rehappywiththewayyoubreatheandifyouaren'texperiencinganyhealthproblems,beyourselfandjustkeepyourownway.Butifyouthinkitmightbetimeforachange,focusonbreathingthroughyournoseuntilitbecomesahabit.Itmighthelpyousurviveanemergency.1．Whatdoestheunderlinedword“it”inParagraph2referto?A．Yourlifestyle.B．Howyoubreathe.C．Howyouthinkandfeel.D．Theoxygenyoutakein.2．WhatdidSwedishresearchersfind?A．Nosebreathingmayimprovememory.B．Mouthbreathingcauseshealthproblems.C．Nosebreathersarenotsensitivetosmells.D．Mouthbreathershaveagoodsenseoftaste.3．WhatistheeffectofnosebreathingaccordingtotheresearchinParagraph4?A．Ithelpsonetostayhealthy.B．Itcuresbadbreathandsnoring.C．Itmakesone'sbrainmoreactive.D．Itimprovesone'ssenseofsmell.4．Whatdoestheauthorthinkofnosebreathing?小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.comA．It'shardtogetusedto.B．It'ssuitableforeverybody.C．It'swhatpeoplehavetodo.D．It'swhatpeoplecanbenefitfrom.BWith830studentsagedbetween8and12,LochaberHighSchool,inFortWilliam,isoneofthelargestsecondaryschoolsintheHighlands.Itcoversahugeareaandmanyofthestudentscomefromsmallcommunitiesandtravelupto40kmtogettoschooleveryday.Inthepast,theschoolcoveredamuchlargerareaandmanystudentshadtostayinoneoftheschooldormitories,orifoldertolivewithlocalfamilies,butotherhighschoolshaveopenedintheWestHighlands,sothecatchmentarea(招生区域)forLochaber,thoughstillverylarge,isnotaslargeasitusedtobe.Studentstraveltoschoolbycar,bybus,orbyspecialminibuseveryday,andsomegoonfootorbybike.MoststudentsjustliveinFortWilliam,orinoneofthesurroundingvillages.Attheendoftheirhighschoollife,andaftergettinghigheroradvancedhighergradeexamresults,moststudentsdecidetomoveontofurthertheireducation.Somestudentscanremain,takingspecialisedcoursesattheWestHighlandCollege,butmanyleavetheirhomesinLochaberandgosouthoreasttoothercities.Manyyoungpeopleinthisareafeelthattherearenotenoughopportunitieshere.Goingtoacitycertainlymeansnewfriends,awholenewlifestyle,andamoreexcitingnightlife....