Unit21TheweatherforecastLesson41（课件）新概念英语青少版2B

Unit21TheweatherforecastLesson41天气预报Part1NewWordsNewWordsforecast [‘fɔːkɑːst] n.预测,预报announcer [ə’naʊnsə] n.播音员,节目主持人gooverto [gəʊ‘əʊvətʊ]v.+adv.转到forecaster [‘fɔːkɑːstə] n.预报员thenextfew 接下来的几个wind

[wɪnd] n.风blow [bləʊ]

v.吹southwest [saʊθˈwest]

n.西南NewWordsbringin[,brɪŋ‘ɪn]v.+adv.带来air[eə]n.空气,大气rain[reɪn]n.雨gradually[‘grædʒʊəli]adv.逐渐地rise[raɪz]v.上升degreesCelsius[dɪ’griːz‘selsiəs]n.摄氏度fall[fɔːl] v.下降n.秋天outlook[‘aʊtlʊk]n.前景，展望Part2TextweatherforecasterweatherforecastannouncerLookWhatwilltheweatherbelikenextweekend?ListenandAnswerthethreew's—warm,wetandwindy.sun---sunnyrain---rainywind---windycloud---cloudysnow---snowyfog---foggystorm---stormyhotcoldwarmcoolwetdryReadandLearn

ANNOUNCER:Andnowit’sfivetonine,andtimefortheweatherforecast.Let’sgoovertoCarlaDaneattheLondonWeatherCentre.Carla.=moveacrossto转到ReadandLearnforecast[‘fɔːkɑːst]n.预测,预报weatherforecast天气预报gooverto[gəʊ‘əʊvətʊ]v.+adv.转到Let’s=LetusLetusdosth是一种请求,请求别人允许“我们”做某事.announcer[ə’naʊnsə]n.播音员,节目主持人forecaster[‘fɔːkɑːstə]n.预报员W.F.:ThanksJohn,andgoodmorning!Lastmonthwasunusuallycoldanddry.Butallthatwillchangeinthenextfewdays.ReadandLearnthenextfew 接下来的几个W.F.:Fromtoday,thewindwillblowfromthe

southwest.ItwillbringinwarmairfromtheAtlantic.Andwe’llhavesomerain.ReadandLearnbringin[,brɪŋ‘ɪn]v.+adv.带来wind[wɪnd]n.风blow[bləʊ]v.吹southwest[saʊθˈwest]n.西南air[eə]n.空气,大气rain[reɪn]n.雨大西洋W.F.:Rainwillcomeingraduallyfromthesouthwestthisevening.Thewholecountrywillhavesomerainshowersinthenextthreedays.Someofthemwillbeheavy.

ReadandLearngradually[‘grædʒʊəli]adv.逐渐地阵雨W.F.:Temperatureswillriseto12degreesCelsiusintheday.Nighttemperatureswillfallto4degreesCelsius.Itwillfeelcoldoverthehills.ReadandLearnrise[raɪz]v.上升degreesCelsius[dɪ’griːz‘selsiəs]n.摄氏度fall[fɔːl]v.下降n.秋天W.F.:Andtheoutlookfornextweekend:thethreew’s—warm,wetandwindy.

Andthat’syourweatherforecast.BacktoJohnatthestudio.ReadandLearnoutlook[‘aʊtlʊk]n.前景,展望演播室Andnowit’sfivetonine,andtimefortheweatherforecast.Let’sgoovertoCarlaDaneattheLondonWeatherCentre.Carla.ThanksJohn,andgoodmorning!Lastmonthwasusuallycoldanddry.Butallthatwillchangeinthenextfewdays.Temperatureswillriseto12degreesCelsiusintheday.Nighttemperatureswillfallto4degreesCelsius.Itwillfeelcoldoverthehills.Andtheoutlookfornextweekend:thethreew’s---warm,wetandwindy.Andthat’syourweatherforecast.BacktoJohnatthestudio.Rainwillcomeingraduallyfromthesouthwestthisevening.Thewholecountrywillhavesomerainshowersinthenextthreedays.Someofthemwillbeheavy.Fromtoday,thewindwillblowfromthesouthwest.ItwillbringinwarmairfromtheAtlantic.Andwe’llhavesomerain.ReadandLearnPart4VocabularyVocabularyforecast [‘fɔːkɑːst] n.预测,预报在forecast后直接+erforecaster

预报员weatherforecaster天气预报员weatherforecast天气预测,天气预报（同时它还可以表示动词）weatherforecastVocabularyannouncer[ə’naʊnsə]n.播音员,节目主持人（表示“播音员，节目主持人”）是announce的名词形式aradio/TVannouncer电台╱电视节目主持人weatherforecastVocabularygooverto[gəʊ‘əʊvətʊ]v.+adv.转到(广播时)切换到(另一人物或地点)=moveacrossto转到短语：beover结束短语：overthehill在山上weatherforecastVocabularythenextfew 接下来的几个thenextfewweeks下几周thenextfewmonths接下来几个月thenextfewyears未来几年;今后几年;在未来几年;接下来几年;weatherforecastVocabularyrain雨heavy/light形容风或雨的大小rainforestn.雨林raincoatn.雨衣rainbootn.雨鞋rainbown.彩虹weatherforecastVocabularyblow[bləʊ]

v.吹注意，在此，它并没有“打”或者“打击”的意思。(blow既可以是及物动词，也可以是不及物动词)。eg.Thewindblewallnight.风刮了一整夜。eg.Thedustblewintomyeyes.灰尘吹入了我的双眼。weatherforecastVocabularyair[eə]n.空气,大气ontheair播送，广播offtheair停止广播byair乘飞机intheair在空中,(问题等)悬而未决,感到疑惑weatherforecastVocabularyrise[raɪz]v.上升rise和raise都有"上升,升起,上涨,举起"等意思.rise多用于不及物动词(rise后面不加宾语),raise是及物动词(raise后面要加宾语).rise一般指事物自身可以升高,上升的,太阳东升,河水上涨.raise一般是人为地让事物升高,例如举起胳膊,提高薪水等.weatherforecastVocabularyoutlook[‘aʊtlʊk]n.前景，展望Theoutlookfortheeconomyisbleak.经济前景暗淡。表示:观点，看法Hehasafairlypositiveoutlookonlife.他的人生观相当积极。weatherforecast1Iwillhaveaholiday

ashorttime.(at,in,on,ago)2Nowit’stwentytoelevenp.m.,andit’stime

sleep.3Let’swatchtheweather

.Iwanttomakeplansfortomorrow.4Thewind

fromthewestthisevening.(blow)5Therainis

now,let’swaitforamoment.6Temperatureswillfallto3

Celsiusatnight.7Thewindwillbringincold

.Keepwarm!8

改错：Willyouareathomethisevening?

→

intoforecastwillblowheavydegreesairarebePart5Grammars将来时句型构成主语+will(用于第二、三人称)/shall(只用于第一人称)+动词原形.使用时机表示将来某个时间点要发生的事表示不以人意志为转移的自然发展的事表示征询对方意图或愿望时表示即将要做的动作或决定Grammars主语+be(am,is,are)goingto+动词原形.两者有什么区别呢？Sheisgoingtoswimtomorrow.Sheisn’tgoingtoswimtomorrow.Isshegoingtoswimtomorrow?Whatisshegoingtodotomorrow?PositiveNegativeSimpleQWh-Q主语+begoingto+动词原形.主语+benotgoingto

+动词原形.Be+主语+goingto+动词原形？特殊疑问词+be+主语+goingto+动词原形？GrammarsWhatwillshedooneday?Shewillmeettherightmanoneday.Shewon’tmeettherightmanoneday.Willshemeettherightmanoneday?PositiveNegativeSimpleQWh-Q主语+will+动词原形.主语+willnot/won’t+动词原形.Will+主语+动词原形？特殊疑问词+will+主语+动词原形？GrammarsGrammars两者有什么区别呢？可与一般将来时连用的时间短语(1)tomorrow(明天)nextyear(明年）nextmonth(下个月)theweekafternext(下下周)themonthafternext(下下个月)theyearafternext（后年)(2)in+(时间段)'stimeintwodays‘time两天以后inayear'stime一年以后inthreemonths‘time三个月后inaweek'stime一周以后【注】's/s'+time在inaweek'stime或insixmonths'time中可以省略,即inaweek,insixmonths。(3)in/on+将来具体某个时间We’llhelpyouwiththejobonSunday.我们周日帮你做这个工作.Theywillbuyahousein2003.他们将在2003年买房子.Grammars两者有什么区别呢？含义：一般过去时表示过去某一时间发生的动作或存在的状态;结构：主语+was/were+表语+状语主语＋动词过去式+宾语+状语eg.Tomwasathomeyesterday,汤姆昨天在家。eg.TomplayedtennislastSunday.汤姆上个星期天打网球。时间状语:yesterday,lastnight,lastweek,twodaysago等.Grammars两者有什么区别呢？含有第一、第三人称主语的祈使句1.肯定的祈使句句型:Let+第一人称（me/us）+动词原形+……Let+第三人称代词（him/her/it/them）或名词＋动词原形＋……Let'sgoatonce.咱们马上动身吧。Let'ssaygood-byehere.我们在此直别吧。Letmetryagain.让我试试。LetTomgotherehimself.让汤姆自己去那。含有第一、第三人称主语的祈使句1)Let'sdosth表达建议,所有人一起做某事。Letusdosth是一种请求,请求别人允许“我们”做某事。例如:Let'sgo,shallwe?咱们去吧,怎么样?Letusgo,willyou?让我们去吧,行吗?(2)回答Let's...的反意疑问句句型时,

肯定回答用Yes,let's.否定回答用No,let'snot.2.否定的祈使句句型:Let'snot+动词原形+……Don'tlet+第三人称代词的宾格或名词＋动词原形＋……Let'snotsayanythingaboutit.对于这件事,咱们什么也不要说。Don'tletthemplaywithfire.别让他们玩火。Grammars两者有什么区别呢？Grammars两者有什么区别呢？一、用所给动词的正确形式填空。1.Beforelong,we_______________(forget)allaboutthematter.2.They______________(be)backthreehoursago.3.Lookattheseclouds.It__________________________(rain).4.They______________(make)progresssoon.5.We_________________(have)agoodtimeonthebeachnow.6.Myfamily____________(visit)HongKongnextweek.willforgetwereisgoingtorainwillmakearehavingwillvisitPart6PracticeExample:It’snowfivetoseven,isn’tit?No,itisn’t.1.It'stimefortheweatherforecast,isn'tit?2.Lastmonthwasunusuallycoldanddry,wasn'tit?3.Thatwillchangeinthenextfewdays,won'tit?4.Fromtoday,thewindwillblowfromthesouthwest,won'tit?5.Thewholecountrywillhaveraininthenextthreedays,won'tit?6.Temperatureswillrise,won'tthey?7.Butnighttemperatureswillfall,won'tthey?8.It'llfeelcoldoverthehills,won'tit?Yes,itis.Yes,itwas.Yes,itwill.Yes,itwill.Yes,itwill.Yes,theywill.Yes,theywill.Yes,itwill.PracticePractice1.Waslastmonthunusuallywarmandwet?2.Fromtoday,willthewindblowfromthenorth?3.Willitbringincoldair?4.Willraincomeinquicklyfromthesouthwest5.Willthewholecountryhavesnowshowersinthenextthreedays?6.willtemperaturesriseto12degreesCelsiusatnight?7.Willitfeelwarmoverthehills?8.Doweheartheoutlookforthewholeofnextweek?No,itwasn’t.Lastmonthwasusuallycoldanddry.No,itwon’t.

Fromtoday,thewindwillblowfromthesouthwest.No,itwon’t.ItwillbringinwarmairfromtheAtlantic.No,itwon’t.Rainwillcomeingraduallyfromthesouthwest.No,itwon’t.Thewholecountrywillhavesomerainshowersinthenextthreedays.No,itwon’t.Temperatureswillriseto12degreesCelsiusintheday.No,itwon’t.Itwillfeelcoldoverthehills.No,wedon’t.Weheartheoutlookfornextweekend.Practice1.Whatwastheweatherlikelastmonth?2.Wherewillthewindblowfrom?3.WhatairwillitbringinfromtheAtlantic?4.Whenwillraincomeinfromthesouthwest?5.Whatwillthewholecountryhaveinthenextthreedays?6.Whatwilldayandnighttemperaturesdo?7.Whatw