1、Unit 4 Natural disasters(Period 7 More practice)?To read and understand the passage The ice storm.?To learn some expressions and try to use them.?To know more about features and coping methods of natural disasters.Learning objectivesContents1?Lead in 2?Reading3?Expressions 3?Summary&Homework41.Lead-
2、inCan you describe what had happened in these pictures?power line（电线）covered in icebranches and trees fall downPre-reading:How much do you know about ice storm?How did an ice storm come into being(形成)?The ice storm Montreal(蒙特利尔蒙特利尔),Canada,1998A tip:Think about the form of rain and snow.TimePlaceEf
3、fects(影响)ResultsOn 5th January,the people of Montreal woke up to find they had no electricity in their homes.It was dark and cold.The roads were covered in ice,so it was very dangerous to walk or drive anywhere.Families had to stay inside and burn wood to keep warm.They expected the power to come ba
4、ck on at any time.on 5th JanuaryMontrealNo electricity,roads covered in icePeople had to stay at home and burn wood to keep warmParagraph 2However,the ice kept falling.It caused branches and whole trees to fall down.More power lines fell down,and the roads became even more dangerous.By the third day
5、,many families had no food to eat.It was a difficult time.The army sent over 14,000 soldiers to help.TimeEffects(影响)ResultsActionsBy the third dayTrees and power lines down,roads were more dangerousMany families had no food to eatParagraph 3-414,000 soldiers were sent to helpFinally,after six days,t
6、he ice storm stopped,but the trouble was not over.The huge amount of ice made the whole area very dangerous.As the ice started to melt,it fell from the roofs of buildings and trees like knives.Most of the power lines were so badly damaged that they could not be repaired.Some families had no electric
7、ity for a whole month.Many homes were damaged and many people,especially farmers,lost their businesses.The people of Canada will never forget how terrible nature can be.Everyone hopes that there will never be another ice storm like the one in1998.TimeProcessEffects(影响影响)ResultsHopesAfter six daysSto
8、rm stopped,ice started to meltDamaged homes,people lost businessesNo more this kind of ice stormParagraph 5-6no electricitywake up to find 醒来发现.turn to sth.变成.Look out the following expressions in the article.so.that 如此.以致于fall down 倒下lose ones business 失去生计3.Expressionsbegin to fall 开始落下at any time
9、 随时the huge amount of 大量的.Thinking:1.Why was the storm in 1998 unusual in Canada？Because the rain turned to ice as it fell through the cold air.2.What problems did the ice storm cause？3.Did the trouble end when the ice storm stopped？Why or why not?Roads were dangerousHouses were damaged.The trouble
10、was not over.The ice made the area very dangerous.How to cope with the ice storm?Measures(措施）and suggestionsclear away the ice on the power linesSprinkle salt(撒盐)on the road to help melt the iceStore(储存)enough food and water at homeWhat problems can this natural disaster bring?How can we cope with(应
11、对)it?Have you ever experienced or heard about a natural disaster?What kind of natural disaster might happen in Shenzhen?TyphoonTyphone can bring stormy wheather such as _,_ and storm tide.(风暴潮）How to cope with it?2.Close doors and windows3.Store enough food and waterstrong windheavy rains4.SummaryNatural disasters are horrible,people should learn how to protect themselves during the natural disasters.5.Homework1.Read the passage after the tape and review expressions we have learnt in this passage.2.Finish the learning sheet on your own.Thanks for listening.
