四下Unit3-Weather-B-Lets-talk

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Unit3WeatherPartBLet'stalkLet'splay教学内容:制作思路:1.通过歌曲《Rain,Rain,goaway》中的rain,引出rainy的学习。2.复习表示wather的四个词,根据温度引出degrees的学习,并且讲授华氏与摄氏的不同。3.学习What'sthewatherlike?句型;出示学习指导,学习Let'stalk.4.通过练习来巩固所学的知识。Learningaims:1.学生能够听、说、认读本课时主要句型:What’stheweatherlikeinBeijing?HowaboutNewYork?It's...degrees.2.能理解华氏degreesFahrenheit华氏度,华氏度数和摄氏的不同。3.通过学习了解世界不同城市天气有差异,知道谈论天气是西方国家最常见的聊天话题。Singasong:Rainraingoawayrain---名词(n.)雨,雨水rainy---形容词(adj.)阴雨的,多雨的weatherwarmcoolcoldhot2023015℃℃℃℃degrees华氏与摄氏的区别:华氏温标:是德国华伦海脱于1714年创立的温标。它以水银作测温物质,定水的熔点为32度,沸点为212度,中间分为180度,以℉表示。人的体温测量就是用华氏温度的。1740年瑞典人摄氏(Celsius)提出在标准大气压下,把冰水混合物的温度定为0摄氏度,水的沸点规定为100度。根据水这两个固定温度点来对玻璃水银温度计进行分度。两点间作100等分,每一份称为1摄氏度。记作1℃。华氏和摄氏的换算:华氏度=32+摄氏度×1.8摄氏度=(华氏度-32)÷1.8数据:0°C=32°F10°C=50°F20°C=68°F30°C=86°F40°C=104°FReadandchooseIt’shottoday.It's____degrees.It’swarmtoday.It's____degrees.It’scoldtoday.It's____degrees.It’scooltoday.It's15degrees.3015203A.B.C.D.Guess:What’stheweatherlike?(天气怎么样?)It’scool.15℃It’s15℃.Guess:What’stheweatherlike?It’shot.It’s30℃.30℃Guess:What’stheweatherlike?It’scold.It’s2℃.2℃Guess:What’stheweatherlike?It’swarm.20℃It’s20℃.Let'stalk自学指导1.Listenandanswerthequestion:What‘stheweatherlikeinNewYork?A:It'srain.B:It'srainy.自学指导2.Lookandsay1)Whoarethey?Theyareonthephone.2)Whataretheydoing?(他们在干什么?)MarkandChenJie.自学指导3.Listen、repeatandanswerquestion.HowaboutBeijing?It’swarmIt's26degrees..Pairwork:1.Readthedialoguewithyourpartner.2.DoLet'splay.3.Askandanswer:A:What’stheweatherlikein...?B:It's...Howabout...?Isit...?A:Yes,isit./No,itisn't.....B:...4.Task:AmylikesZhejiang,sheisgoingtotakeatriparoundZhejiang.SosheasksFairyabouttheweather.(Amy想去旅行,询问天气状况)Amy:Hello.Fairy:Hi,Amy.Amy:What'stheweatherlikeinJinhua?Fairy:It'scloudytoday.Amy:Oh,no!(5.介绍山东的天气)Amy:Hello.Chen:Hi,Amy.Amy:What'stheweatherlikein...?Chen:It's...today.Amy:Oh,no!Howabout...?Fairy:It's...today.Amy:Oh,yes!1.Recitethedialogue.2.Listentotheweatherreportofsomecities.Thendiscussitwithyourfriends.(听城市天气预报并和朋友讨论。)

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