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1、Unit9ListeningCourse2SectionOneTacticsforListeningPart1:PhoneticsFocusUnderstandingthespeaker’saccentSectionOneTacticsforListeningPart1Phonetics—Stress,IntonationandAccentAccentmayalsocausedifficultyunderstangingthespeaker.InthefollowingdialogueAlejandrotalkswithastrongSpanishac
2、cent.Lookatthepictureandcircletherightcasebelongingtohim.*Whatdoeshewanttoknow?Heislookingforthetoilet.*ThecasesareA,E,F,GPart2ListenandNote-takingCanLightAffectYourHealth?Focus:Understandinghowlightaffectsone’shealthSelectingwordsOrganizingthenotesPart2ListeningandNote-takingCa
3、nLightAffectyourHealth?Noteshormone['hɔ:məun]:荷尔蒙，激素full-spectrumlight:全谱光jet-lag:时差综合症Ex.A:Listenandfillintheblankswiththemissingwords.1.Manyresearchersnowbelievethatitdoesaffectbothyourphysicalandyourmentalstate.2.Oldpeopleespeciallyneedthisvitamintostrengthentheirbones.3.Thes
4、epeoplefindthattheylackenergy,havedifficultyconcentrating,andoftengainweightinthewintermonths.4.Full-spectrumlightsreproducemoreaccuratelytheeffectsofnaturalsunlight.5.Ifyouspendalotoftimeinartificiallightorindoors,youshouldtrytospendmoretimeintheopenair.Ex.B:Takenotesandcomplet
5、ethefollowingsummaryManyresearchersbelievethatlightcanaffectbothyourphysicalandyourmentalstate.Fromdaylight,ourbodiesabsorbvitaminDthroughtheskin,certainskindiseasesalsobenefitfromexposuretosunlight.Lightabsorbedthroughtheeyecanstimulatehormoneproduction,whichinturnaffectsourmoo
6、d.Somepeoplebecomedepressedinwinter,whenthedaysaredarkandmostpeoplespendlesstimeintheopenair.Whenspringcomes,thesesymptomsdisappear.ResearchershavecalledthisconditionSAD—seasonalaffectivedepression.Theconditioncanbetreatedbyexposingpatientstospeciallights,knownasfull-spectrumlig
7、hts.Thislightinghasalsobeenusedtotreatpatientssufferingfromjet-lag,toimprovelearninginschool-childreninRussiaandAmerica,andtheefficiencyofJapanesefactoryworkers.Youngpeopleneedatleast15minutesadayinrealdaylightinsummer,30minutesinwinter.Oldpeople,whoriskvitaminDdeficiency,should
8、spendevenlongerexposedtonaturaldaylight.光谱Secti
