PEP四年级下册英语U3 B talk

1、Unit 3 WeatherUnit 3 Weather Part B Lets talk Part B Lets talk Lets play Lets play 教学内容：教学内容：Hi,Chen Jie!This is Mark.Hi,Mark!weatherwarmcoolcoldhot2023015degrees华氏与摄氏的区别华氏与摄氏的区别：华氏温标：是德国华伦海脱于华氏温标：是德国华伦海脱于1714年创立的温标。它以水银作测温物质，年创立的温标。它以水银作测温物质，定水的熔点为定水的熔点为32度，沸点为度，沸点为212度，中间分为度，中间分为180度，以度，以 表示。人的体表示

2、。人的体温测量就是用华氏温度的。温测量就是用华氏温度的。1740年瑞典人摄氏年瑞典人摄氏(Celsius)提出在标准大气压下，把冰水混合物的温度提出在标准大气压下，把冰水混合物的温度定为定为0摄氏度，水的沸点规定为摄氏度，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。两点间作璃水银温度计进行分度。两点间作100等分，每一份称为等分，每一份称为1摄氏度。记作摄氏度。记作1。华氏和摄氏的换算华氏和摄氏的换算: 华氏度华氏度 = 32 + 摄氏度摄氏度 1.8 摄氏度摄氏度 = (华氏度华氏度 - 32) 1.8数据数据: 0C=32F 1

3、0C=50F 20C=68F 30C=86F 40C=104FRead and chooseIts hot today. Its _ degrees.Its warm today. Its _ degrees.Its cold today. Its _ degrees.Its cool today. Its _ degrees. 30 15 20 3A.B.C.D.3020315Guess: Whats the weather like?(?(天气天气怎么样？怎么样？) )Its cool.15Its 15.Guess: Whats the weather like?Its hot.Its 3

4、0.30Guess: Whats the weather like?Its cold.Its 2.2Is it cold?No,its not.20=No,it isnt. Lets talk自学指导1.Listen and answer the question:Whats the weather like in New York? A: Its rain.B:Its rainy.自学指导2.Look and say1)Who are they?They are on the phone.2)What are they doing?(他们在干什么？）他们在干什么？）Mark and Chen

5、 Jie.自学指导3.Listen、 repeat and answer question.How about Beijing ?Its warmIts 26 degrees.Whats the weather like in Beijing?Whats the weather like in Beijing?=Pair work:1.Read the dialogue with your partner.2. Do Lets play.3.Ask and answer:A:Whats the weather like in ?B:Its .How about ?Is it ？A:Yes, i

6、t is./No, it isnt. Its degrees.TorontocoldsnowySydney253.Ask and answer:A:Whats the weather like in ?B:Its .How about ?Is it ？A:Yes, it is./No, it isnt. Its degrees.4.Task: Amy likes Zhejiang, she is going to take a trip around Zhejiang. So she asks Fairy about the weather. (Amy想去旅行，询问天气状况)Amy: Hello.Fairy: Hi, Amy.Amy: Whats the weather like in Jinhua?Fairy: Its cloudy today.Amy: Oh, no! (5.介绍山东的天气介绍山东的天气)Amy: Hello.Chen: Hi, Amy.Amy: Whats the weather like in .?Chen: Its . today.Amy: Oh, no! How about .? Fairy: Its . today.Amy: Oh, yes!1.Recite the