Unit 21The weather forecast Lesson 41（课件）-2023-2024学年新概念英语青少版 2B

Unit 21 The weather forecast Lesson 41 天气预报 Part 1 New Words New Words forecast [‘fɔː kɑːst] n. 预测,预报 announcer [ə’naʊnsə] n.播音员,节目主持人 go over to [gəʊ ‘əʊvə tʊ] v.+adv.转到 forecaster [‘fɔː kɑːstə] n.预报员 the next few 接下来的几个 wind [wɪnd] n.风 blow [bləʊ] v.吹 south west [saʊθ ˈwest] n.西南 New Words bring in [,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 degrees Celsius [dɪ’griːz ‘selsiəs] n.摄氏度 fall [fɔːl] v.下降 n.秋天 outlook [‘aʊtlʊk] n.前景，展望 Part 2 Text weather forecaster weather forecast announcer Look What will the weather be like next weekend? Listen and Answer the three w's— warm, wetand windy. sun---sunny rain---rainy wind---windy cloud---cloudy snow---snowy fog---foggy storm---stormy hot cold warm cool wet dry Read and Learn ANNOUNCER: And now it’s five to nine, and time for the weather forecast. Let’s go over to Carla Dane at the London Weather Centre. Carla. = move across to 转到 Read and Learn forecast [‘fɔː kɑːst] n. 预测,预报 weather forecast 天气预报 go over to [gəʊ ‘əʊvə tʊ] v.+adv.转到 Let’s=Let us Let us do sth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 [‘fɔː kɑːstə] n.预报员 W. F.: Thanks John, and good morning! Last month was unusually cold and dry. But all that will change in the next few days. Read and Learn the next few 接下来的几个 W. F.: From today, the wind will blow from the south west. It will bring in warm air from the Atlantic. And we’ll have some rain. Read and Learn bring in [,brɪŋ ‘ɪn] v.+adv.带来 wind [wɪnd] n.风 blow [bləʊ] v.吹 south west [saʊθ ˈwest] n.西南 air [eə] n.空气,大气 rain [reɪn] n.雨 大西洋 W.F.: Rain 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. Read and Learn gradually [‘grædʒʊəli] adv.逐渐地 阵雨 W.F.: Temperatures will rise to 12 degrees Celsius in the day. Night temperatures will fall to 4 degrees Celsius. It will feel cold over the hills. Read and Learn rise [raɪz] v.上升 degrees Celsius [dɪ’griːz ‘selsiəs] n.摄氏度 fall [fɔːl] v.下降 n.秋天 W.F.: And the outlook for next weekend: the three w’s—warm, wet and windy. And that’s your weather forecast. Back to John at the studio. Read and Learn outlook [‘aʊtlʊk] n.前景,展望 演播室 And now it’s five to nine, and time for the weather forecast. Let’s go over to Carla Dane at the London Weather Centre. Carla. Thanks John, and good morning! Last month was usually cold and dry. But all that will change in the next few days. Temperatures will rise to 12 degrees Celsius in the day. Night temperatures will fall to 4 degrees Celsius. It will feel cold over the hills. And the outlook for next weekend: the three w’s--- warm, wet and windy. And that’s your weather forecast. Back to John at the studio. Rain 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. From today, the wind will blow from the south west. It will bring in warm air from the Atlantic. And we’ll have some rain. Read and Learn Part 4 Vocabulary Vocabulary forecast [‘fɔː kɑːst] n. 预测,预报 在 forecast后直接+er forecaster 预报员 weather forecaster 天气预报员 weather forecast 天气预测,天气预报 （同时它还可以表示动词） weather forecast Vocabulary announcer [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 a radio/TV announcer 电台╱电视节目主持人 weather forecast Vocabulary go over to [gəʊ ‘əʊvə tʊ] v.+adv.转到 (广播时)切换到(另一人物或地点) = move across to 转到 短语：be over 结束 短语：over the hill 在山上 weather forecast Vocabulary the next few 接下来的几个 the next few weeks 下几周 the next few months 接下来几个月 the next few years 未来几年; 今后几年; 在未来几年; 接下来几年; weather forecast Vocabulary rain 雨 heavy / light形容风或雨的大小 rainforest n.雨林 raincoat n.雨衣 rainboot n.雨鞋 rainbow n.彩虹 weather forecast Vocabulary blow [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.The wind blew all night. 风刮了一整夜。 eg.The dust blew into my eyes. 灰尘吹入了我的双眼。 weather forecast Vocabulary air [eə] n.空气,大气 on the air 播送，广播 off the air 停止广播 by air 乘飞机 in the air 在空中,(问题等)悬而未决,感到疑惑 weather forecast Vocabulary rise [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. weather forecast Vocabulary outlook [‘aʊtlʊk] n.前景，展望 The outlook for the economy is bleak. 经济前景暗淡。 表示:观点，看法 He has a fairly positive outlook on life. 他的人生观相当积极。 weather forecast 1 I will have a holiday a short time. ( at, in, on, ago) 2 Now it’s twenty to eleven p.m., and it’s time sleep. 3 Let’s watch the weather . I want to make plans for tomorrow. 4 The wind from the west this evening. (blow) 5 The rain is now, let’s wait for a moment. 6 Temperatures will fall to 3 Celsius at night. 7 The wind will bring in cold . Keep warm! 8 改错：Will you are at home this evening? →   in to forecast will blow heavy degrees air are be Part 5 Grammars 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)going to+动词原形. 两者有什么区别呢？ She is going to swim tomorrow. She isn’t going to swim tomorrow. Is she going to swim tomorrow? What is she going to do tomorrow? Positive Negative Simple Q Wh-Q 主语 + be going to + 动词原形 . 主语 + be not going to + 动词原形 . Be +主语 + going to +动词原形 ？ 特殊疑问词 + be +主语 + going to + 动词原形 ？ Grammars What will she do one day? She will meet the right man one day. She won’t meet the right man one day. Will she meet the right man one day? Positive Negative Simple Q Wh-Q 主语 + will + 动词原形 . 主语 + will not/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 ？ Grammars Grammars 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) next year(明年） next month(下个月) the week after next(下下周) the month after next(下下个月) the year after next（后年) (2) in+(时间段)'s time in two days‘ time 两天以后 in a year's time 一年以后 in three months‘ time 三个月后 in a week's time 一周以后 【注】's/s'+time 在in a week's time或in six months' time中可以省略,即 in a week, in six months。 (3)in/ on+将来具体某个时间 We’ll help you with the job on Sunday. 我们周日帮你做这个工作. They will buy a house in 2003. 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.Tom was at home yesterday, 汤姆昨天在家。 eg.Tom played tennis last Sunday. 汤姆上个星期天打网球。 时间状语: yesterday, last night, last week, two days ago 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's go at once.咱们马上动身吧。 Let's say good-byehere.我们在此直别吧。 Let me try again.让我试试。 Let Tom go there himself.让汤姆自己去那。 含有第一、第三人称主语的祈使句 1) Let's do sth表达建议,所有人一起做某事。 Let us do sth是一种请求,请求别人允许“我们”做某事。 例如:Let's go, shall we? 咱们去吧,怎么样? Let us go, will you? 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 's not. 2.否定的祈使句 句型:Let's not +动词原形+…… Don't let+第三人称代词的宾格或名词＋动词原形＋…… Let's not say anything about it. 对于这件事,咱们什么也不要说。 Don't let them play with fire. 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.Before long, we_______________(forget) all about the matter. 2.They______________(be) back three hours ago. 3.Look at these clouds. It__________________________(rain). 4.They______________(make) progress soon. 5.We_________________(have) a good time on the beach now. 6. My family____________(visit) Hong Kong next week. will forget were is going to rain will make are having will visit Part 6 Practice Example: It’s now five to seven ,isn’t it ? No ,it isn’t . 1. It's time for the weather forecast, isn't it? 2. Last month was unusually cold and dry, wasn't it? 3.That will change in the next few days,won't it? 4. From today, the wind will blow from the south west, won't it? 5. The whole country will have rainin the next three days, won't it? 6.Temperatures will rise, won't they? 7.But night temperatures will fall,won't they? 8.It'll feel cold over the hills, won't it? Yes,it is . Yes,it was. Yes,it will . Yes,it will . Yes,it will . Yes,they will . Yes,they will . Yes,it will . Practice Practice 1.Was last month unusually warm and wet? 2.From today, will the wind blow from the north? 3.Will it bring in cold air? 4. Will rain come in quickly from the south west 5.Will the whole country have snow showers in the next three days? 6.will temperatures rise to 12 degrees Celsius at night? 7.Will it feel warm over the hills? 8.Do we hear the outlook for the whole of next week? No, it wasn’t.Last month was usually cold and dry. No, it won’t. From today, the wind will blow from the south west. No, it won’t.It will bring in warm air from the Atlantic. No,it won’t .Rain will come in gradually from the south west . No,it won’t .The whole country will have some rain showers in the next three days. No,it won’t .Temperatures will rise to 12 degrees Celsius in the day. No,it won’t .It will feel cold over the hills. No, we don’t. We hear the outlook for next weekend. Practice 1.What was the weather like last month? 2.Where will the wind blow from? 3.What air will it bring in from the Atlantic? 4.When will rain come in from the south west? 5.What will the whole country have in the next three days? 6.What will day and night temperatures do? 7.What will it feel like over the hills? 8.What are the 'three w's'? Last month was usually cold and dry. From today,the wind will blow from the south west. It will bring in warm air from the Atlantic. From today, the wind will blow from the south west. The whole country will have some rain showers in the next three days. Temperatures will rise to 12 degrees Celsius in the day. It will feel cold over the hills. The three w’s--- warm, wet and windy. Night temperatures will fall to 4 degrees Celsius. Practice Example: all that / change / next few days? (When ...?) A: Will all that change in the next few days? B: Yes, it will. A: When will all that change? B: In the next few days. 1.it / bring in / warm air / Atlantic? (What ...?) 2.rain / come in / gradually / south west / evening? (What ...?) 3.temperatures / rise / 12 degrees Celsius / day? (When ...?) 4.outlook / next weekend / warm, wet and windy? (What ...?) Free Talk Talk about the weather in this part of China today, tomorrow and next week. Ask each other questions like this: 1.What's the weather like today? 2.What will it be liketomorrow/next weekend/next week? Thank you! 38426.11 null 10161.629 null 12486.493 null 11337.122 null 13322.399 null 12669.348 null 14001.573 82494.93 $$