英语天气预报WeatherForecast市公开课金奖市赛课一等奖课件

天气预报ExtralisteningWeatherforecast第1页第1页Part1GettingreadyTheconditionofwind,temperature,rain,sunshine,snow,etc.,atacertaintimeofoveraperiodoftimeiscalledweather.Britishpeopleoftenhaveconversationsabouttheweather.Thefollowingwordsarerelatedtoweatherandsomearefrequentlyusedinweatherforecasts.Examinethemcarefullyandstudythedefinitions.第2页第2页2-11.freezingpoint:thetemperatureatwhichwaterbecomesice2.relativehumidity:ameasureoftheamountofmoistureintheair3.calm:peaceful,notrough4.barometricpressure:thedownwardpressureoftheairataparticularplace5.widelyscattered:farapart6.shower:afallorrainorsnowlastingashorttime第3页第3页2-27.lows:thelowtemperaturesduringacertainperiodoftime.8.variable:changeable9.thunderstorms:local,shortstormswiththunder,lightening,andheavyrain10.gale:averystrongwind.11.theweatherman第4页第4页ImportantknowledgeWind-relatedwords:windvelocity/acutting(bitter)wind/aneasterlywindbreeze/gust/gale/hurricane/cyclone/tornadoRain-relatedwords:drizzle/moderaterain/shower阵雨downfall/heavyrain/downpour/rainstormSky-relatedwords:Cloudy;sunny;gloomy;clear;windy;warm;dark,etc.第5页第5页Temperaturerelatedinfo.Thedifferencesbetween“C”and“F”TemperaturecanbemeasuredindegreesCentigradeordegreesFahrenheit.Usuallyweuse“℃”tostandforCentigradeorCelsius.TheabbreviationforFahrenheitis“F”.Thesignfordegreesis“°”.CentigradeorCelsiusiscommonlyusedinChina,whileFahrenheitiswidelyusedinEnglishspeakingcountries.Theformulafortemperatureconversionare:

℃

=5(F-32)/9and

F=9C/5+32第6页第6页Ex.1Youaregoingtohearfivestatementsabouttemperature,writedownallthesentencesyouhear.-1001020304050607080901001421250688610412214015817619432Thefreezingpointofwateris0℃or32F.Theboilingpointofwateris100℃or212F.Thenormalbodytemperatureis37℃or98.6F.Thetemperatureonawarmspringdayis15℃or59F.Thetemperatureonahotsummer’sdayis35℃or95F.第7页第7页Ex.2Youaregoingtohearareportonweatheraroundtheworld.Completethefollowingtable.CityCountryTimeWeatherTemperature(C)NewYorkUSAAuckland11:10a.m.BeijingChinaCalcuttaIndiaHonoluluUSAMelbourneclearMexicoCityMexicoMoscowRussiaParisFranceSanFranciscoUSASaoPaulo14℃NewZealandAustraliaBrazil7:10a.m.4:40a.m.1:a.m.9:00p.m.5:10a.m.2:10p.m.12:10p.m.3:10a.m.8:10a