1、Unit 6Period 3 Listening and speaking新 课 导 入For thousands of years,people have been trying to predict the weather.In China during the Shang Dynasty,people recorded weather forecasts on animal bones and tortoise shells.Centuries later,in Greece,the philosopher,Aristotle wrote his theories about how w
2、eather conditions formed.Weather forecasting advanced over time,with more and more instruments to measure temperature,humidity and air pressure.Today,satellite data and computer technology help scientists predict the weather more precisely.Did You Know课 堂 学 习1 Listen to the weather forecast and matc
3、h the weather symbols to the locations on the map.Washington,DC San Francisco Anchorage Houston Phoenix Learning to learnWhen listening to a weather forecast,pay attention to the following information:temperature levels descriptions of forthcoming weather conditions weather warnings2 Listen again an
4、d complete the form.AnchorageYou will need 1_.Temperatures will stay around 2_.PhoenixTemperatures are really high and its probably hot enough to 3_.Be sure to 4_ if you or others have symptoms of heatstroke.HoustonIts 5_ season and there will be a big one across the Atlantic.Stay 6_ and listen out
5、for the latest forecasts.warm clothes-15fry meat on the roadget medical attentionhurricanesafe indoorsWashington,DC Temperatures are going to stay around 7_.Dont drive 8_!San FranciscoTemperatures are going to be around 9_.People are suffering from10_ which are causing damage and loss.25through floo
6、dwaters13wildfires Now talk about how the speaker describes the weather.Listen again if necessary.Thats probably hot enough to fry meat on the road!Temperatures will stay around 30 degrees.But there is yet more rain expected.Temperatures will be moderate around 25 degreesThis is combined with the dr
7、y California climate and a strong wind force of 8.3 Work in pairs.Act out the conversation to talk about an extreme weather condition.Student AYou learn from a TV report that Student Bs city has been suffering from rainstorms and floods.Call student B to check if he/she is safe and ask about the wea
8、ther.Information youd like to know:how long the rainstorms have lasted the effect of the rainstorms on his/her city how to cope during rainstorms and floods what you can do to help how the weather has changed over recent yearsUseful expressions Im calling to check that How long have lasted?Whats the
9、 effect of?How do you cope with?Is there anything I can do to?How has the weather changed?Student BYour city has been suffering from rainstorms and floods.Student A calls you to check you are safe and ask about the weather.Give him/her the information.Duration:about five daysEffect:no electricity;sh
10、ortage of food and drinking water;damage to propertyPoints for attention:stay away from fallen power lines,particularly in or near water;move to higher ground,away from the flow of waterUseful expressions Thank you for The have lasted The most serious effect is Be sure to Id really appreciate it if
11、you would There have been moreThings to help:make a donation;volunteer to help people in need;share knowledge on how to prevent diseaseChanges to the weather:more frequent extreme weather conditions;more severe rainstorms and floodsSample:Student A:Hello.Its reported that your city has been sufferin
12、g from rainstorms and floods.Im calling to check that you are safe.Student B:I am safe.Thank you for your concern.Student A:How long have the rainstorms lasted?Student B:The rainstorms have lasted for about five days.Student A:Whats the effect of the rainstorms on your city?Student B:The rainstorms
13、have caused plenty of effects on our life,such as no electricity,shortage of food and drinking water and so on.Among them,the most serious effect is that it has caused great damage to our property.Student A:How do you cope with rainstorms and floods?Student B:There are many points for attention.Abov
14、e all,be sure to stay away from fallen power lines,particularly in or near water.Besides,you should move to higher ground and stay away from the flow of water.Student A:Is there anything I can do to help?Student B:Id really appreciate it if you would make a donation,or volunteer to help people in ne
15、ed or share knowledge on how to prevent disease.Student A:How has the weather changed over the recent years?Student B:Over the recent years,there have been more frequent extreme weather conditions and more severe rainstorms and floods.Student A:Yes.So we need to pay more attention to the weather forecast.Please take care of yourself and send my regards to your family.Student B:You too.Thank you.Bye bye.Student A:Bye.4 Choose another extreme weather condition and have a similar conversation.Snowstorm FloodTyphoon课堂总结课堂总结Retell some expressions to describe the extreme weather conditions.