青少版新概念2BUnit21-The-weather-forecast(课堂)课件.ppt（纯ppt,可能不含音视频素材）

1、1Unit 21Unit 21The weather forecast2The weather forecastsnowycloudysunnyrainy3forecastv.预测，预报预测，预报f:k:st4forecastern.预报员预报员5announcern.播音员，节目主持人播音员，节目主持人nauns 6go over to 转到转到7the next few接下来的几个接下来的几个在接下来的几天天气将要变化。在接下来的几天天气将要变化。The weather will change in the next few days.8windn.风风wind9blowv.吹吹SheSh

2、es blowing the s blowing the dandelion.dandelion.blu10south west sauwest n.西南西南NSWEwestnortheastsouth11From today,the wind will blow from the south west.从今天起，风将会从西南部吹过来。从今天起，风将会从西南部吹过来。12From tomorrow,the wind will blow from the south east.从明天起，风将会从东南部吹过来。从明天起，风将会从东南部吹过来。13bring in 带来带来14air n.天空天空,

3、大气大气15rain rein n.雨雨16The wind will bring in warm air from the Atlantic.风将从大西洋带来暖空气。风将从大西洋带来暖空气。bring inv.带来带来Atlanticn.大西洋大西洋17The wind will bring in wet air from Australia.风将从澳大利亚带来潮湿的空气。风将从澳大利亚带来潮湿的空气。18gradually grdjladv.逐渐地逐渐地19Rain will come in gradually from the south west this evening.今天晚上，雨

4、将会从西南方逐渐来临。今天晚上，雨将会从西南方逐渐来临。20The rain is gradually heavy.雨逐渐地大起来了。雨逐渐地大起来了。21n.阵雨阵雨rain showerThe whole country will have some rain showers in the next three days.在接下来的三天，全国将会有一在接下来的三天，全国将会有一些阵雨。些阵雨。22This city will have lots of rain showers in the next three months.在接下来的三个月，这个城市将在接下来的三个月，这个城市将会有大量

5、阵雨。会有大量阵雨。23thermometern.温度计温度计mmit24temperaturen.温度温度temprit25degrees Celsius 摄氏度摄氏度diri:z selsis26rise raz 上升上升27fall f:l v.降落降落,落下落下28Temperature will rise to 12 degrees Celsius in the day.白天气温将会上升到白天气温将会上升到12摄氏度。摄氏度。29Night temperature will fall to 4 degrees Celsius.夜间气温将会下降至夜间气温将会下降至4摄氏度。摄氏度。30

6、autlukn.前景，展望前景，展望the outlook for对于对于的前景的前景outlook31Listen to the recording,and then answer this question:What will the weather be like next week?听录音，然后回答问题：下周听录音，然后回答问题：下周天气会怎么样？天气会怎么样？3233Picture 1And now its five to nine,and time for the weather forecast.Lets go over to Carla Dane at the London W

7、eather Center.Carla.Announcer:34Picture 2Thanks John,and good morning!Last month was unusually cold and dry.But all that will change in the next few days.Weather forecaster:35Picture 3From today,the wind will blow from the south west.It will bring in warm air from the Atlantic.And well have some rai

8、n.Weather forecaster:36Picture 4Rain will come in gradually from the south west this evening.The whole country will have some rain showers in the next three days.some of them will be heavy.weather forecaster:37Picture 5Temperatures will rise to 12 degrees Celsius in the day.Night temperatures will f

9、all to 4 degrees Celsius.It will feel cold over the hills.Weather forecaster:38Picture 6And the outlook for next weekend:the three ws warm,wet and windy.And thats your weather forecast.Back to John at the studio.Weatherforecaster:39LESSON 42Pronunciation 语音语音Weak forms:prepositions.英语中的介词常弱读，特别是最常见的

10、介英语中的介词常弱读，特别是最常见的介词词of,for,from和和at。当它们弱读时，或在当它们弱读时，或在短语的开头或者中间时，元音通常（但非短语的开头或者中间时，元音通常（但非一定）弱读为短元音一定）弱读为短元音/。40move mu:vvt.&vi.移动移动;搬动搬动41yet jetadv.还还,尚尚,仍然仍然42last l:stadv.最近一次的，延续最近一次的，延续;继续；继续；43train treinn.列车列车,火车；火车；44will 引导的引导的一般将来时一般将来时:表示将来发生的动作或存表示将来发生的动作或存在的状态，最基本的结构：在的状态，最基本的结构：will+

11、动词原形动词原形 肯定句：肯定句：主语主语+will+动词原形动词原形+（宾语）（宾语）+其他其他 Some day people will go to the moon.否定句：否定句：在在will 的后面加的后面加not即可。即可。will not 可缩写为可缩写为 wontThey wont use books.45一般疑问句：一般疑问句：把把will 提到句子主语之前，结尾变问号。提到句子主语之前，结尾变问号。Will students go to school in the future?特殊疑问句：特殊疑问句：特殊疑问词特殊疑问词+will+主语主语+动词原形动词原形+其他？其他？

12、What will your dream school have?46“There be”句型的一般将来时句型的一般将来时肯定句：肯定句：There will be+名词名词+其他成份其他成份注意注意：无论后面加单数名词或复数形式，：无论后面加单数名词或复数形式，be都必都必须用原形。须用原形。There will be only one country.否定句：否定句：在在will后面加后面加not.There wont be only one country.47一般疑问句：一般疑问句：把把will提到提到there之前。之前。Will there be only one country?

13、Yes,there will./No,there wont.注意：在口语中，所有人称都可以用注意：在口语中，所有人称都可以用will.will.481 1、表示将来某一时刻的动作或状态：表示将来某一时刻的动作或状态：We will come to see you the day after tomorrow.There will be a wonderful show next week.2 2、表示将来某一段时间内经常的动作或状态表示将来某一段时间内经常的动作或状态：The students will come and work in the lab once a week.We will

14、come and work in this factory every year.49Lets practice：Guided Conversation.对话练习。对话练习。P4550今天晚上我将会打电话给你。今天晚上我将会打电话给你。将来，学生将会使用电脑学习。将来，学生将会使用电脑学习。我们今天下午没有空。我们今天下午没有空。她不会听我的她不会听我的.I will call you this evening.Students will use computers to learn in the futureWe wont be free this afternoon.She will no

15、t listen to me.51当天气变冷的时候，鸟类不会飞去南边当天气变冷的时候，鸟类不会飞去南边我想下个夏天北京的天气将会非常热。我想下个夏天北京的天气将会非常热。他将会使用他的笔他将会使用他的笔将会有大雨和大风天气。将会有大雨和大风天气。The birds wont fly away to the south when the weather turns cold.I think it will be very hot in Beijing next summer.He will use his pen Will there be heavy rain and strong winds

16、?52I will havemany presents.I wont have many presents.Will I have many presents?Yes,I will.No,I wont.He will do dull jobs.He wont do dull jobs.Will he do dull jobs?Yes,he will.No,he wont.There will be a computer in it.There wont be a computer in it.Will there be a compuer in it.Yes,there will.No,the

17、re wont.They will do heavy work.They wont do heavy work.Will they do heavy work?Yes,they will.No,they wont.willwill句式总结句式总结:53Functional PractiseFunctional Practise：.hope that you a good time this evening.A.have B.are having C.will have D.has2.Look at those big black clouds.It rain.Lets hurry.A.must B.will C.would D.is going to注意：注意：will与与be going to的区别，的区别，be going to可可以表示明显将要发生的情况以表示明显将要发生的情况CD543.There a basketball match this afternoon.A.will have B.will be C.has D.have 4.We to the park if it is fine tomorrow.A.will go B.go C.goes D.to goBA