新PEP小学英语四年级下册第三单元let's-talkPPT课件

.,1,Unit3Weather,BLetstalk,于雪娟,.,2,Beijing,.,3,London,.,4,Sydney,.,5,Moscow,.,6,Singapore,.,7,Itswindy.,.,8,Itssnowy.,.,9,Itscloudy.,.,10,Itsrainy.,.,11,Itssunny.,.,12,Letstalk,Mark,ChenJie,.,13,NewYork,.,14,IsitcoldinNewYork?,No,itisnt.Its20degrees.,.,15,IsithotinSydney?,Yes,itis.Its30degrees.,.,16,Isitrainy？,No，itisnt.,Itssunny.,.,17,计量温度的单位表示华氏度(fahrenheit)，美国和其他一些英语国家多使用华氏度。摄氏度(Centigrade)，包括中国在内的世界上很多国家都使用摄氏度。华氏度()=32+摄氏度()1.8，所以26-0.33摄氏度()=（华氏度()-32）1.8所以26=78.8,So26degreesiswarm.But26degreesiscold.,.,18,Mark,ChenJie,1WhereisMark？2.WhereisChenJie？3.WhatstheweatherlikeinBeijing?4.WhatstheweatherlikeinNewYork?,Beijing,Watchthevideoandanswerthesequestions,.,19,.,20,WhereisChenJie?,SheisinBeijing.,WhereisMark?,HeisinNewYork.,WhatstheweatherlikeinNewYork?,ItsrainyinNewYork.,WhatstheweatherlikeinBeijing?,ItswarminBeijing.,Whataretheytalkingabout?,Theyaretalkingaboutweather.,.,21,Watchthevideoagainandrepeat,.,22,.,23,Letsfill,Mark:HI,ChenJie!_Mark.,ChenJie:HI,Mark.!Whatsthe_like_NewYork?,Mark:Its_.HowaboutBeijing?Isitcold?,ChenJie:_.Its26degrees.,Mark:26degrees!Thatscold!,ChenJie:Huh?No,itsnot.Its_!,Thisis,weather,in,rainy,No,itisnt.,warm,.,24,Canyouactitout?,.,25,Chooseacityandmakedialougeswithyourpartner.(选一个城市和伙伴练习做对话),A：Hello,!Thisis.,B：Hi,!Whatstheweatherlikein?,A：Itsin.Howabout?,B：Itsin.,A：Isitcold/hot/warm/cool?,B：Yes,itis./No,itisnt.Its.,.,26,我们要关心天气变化，及时提醒家人、朋友根据天变化更换衣服,.,27,Sum-up,1.重点单词及短语：rainy,degrees,howabout,NewYork,2.重点句型：_WhatstheweatherlikeinNewYork?_Itsrainy._Isitcold?_No,itisnt.,.,28,Homework:Watchtheweathe