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1、-Discovering Useful StructuresUnit 4 Natural DisastersLearning ObjectivesBy the end of the class,you will be able to:1.describe pictures of earthquake,observe sentences and summarize the rules of restrictive relative clauses（定语从句）;2.write a letter of gratitude(感谢)using restrictive relative clauses;3
2、.cooperate with your members to solve problems;4.be aware of the humans strength of unity in front of natural disasters.He is the boy.The boy survived the Wenchuan earthquake.He is the boy who/that survived the Wenchuan earthquake.CCTV Lead-inHi,Im Lang zheng!Observe and findThere were huge cracks.T
3、he cracks cut across roads and houses.There were huge cracks which/that cut across roads and houses.Houses and factories lay in ruins.Peole built the houses and factores.Houses and factories which/that/people built lay in ruins.Children were painful.The childrens parents died in the earthquake.Child
4、ren whose parents died in the earthquake were painful.People were killed or badly injured.The number of people was more than 400,000.The number of people who/that were killed or badly injured was more than 400,000.How do you How do you feel?feel?But hope was not lost!But hope was not lost!But hope w
5、as not lost!But hope was not lost!Soliders who/whom/that/our government sent there dug out the trapped people.Workers built shelters which/that/the homeless could live in.Doctors and nurses provided help which/that/the survivors needed most.Volunteers offered food,water,clothes and medicine to suviv
6、ors whose houses were lost.There were huge cracks which/that cut across roads and houses.Houses and factories which/that/people newly built lay in ruins.Children whose parents died in the earthquake were painful.The number of people who/that were killed or badly injured was more than 400,000.Solider
7、s who/whom/that/our government sent there dug out the trapped people.Workers built shelters which/that/the homeless could live in.Doctors and nurses provided help which/that/needed most.Volunteers offered food,water,clothes and medicine to suvivors whose houses were lost.Summarise Group Work1.The ea
8、rthquake in my hometown was a terrible experience _ I will never forget.2.There were some smelly gas _ came out of the wells.3.Two thirds of the people _ lived there were dead or injured.4.The whole nation rushed there to help the people _ homes were destroyed.Complete each sentence with that,which,
9、who,whose,whom or“”.that/which/that/whichwho/thatwhosePractiseIndividual WorkCombine the two sentences into one using that,which,who,whose,whom or“”.1.The terrible shaking of the building woke up all the people.The people were asleep.(who/that)_2.Most of the buildings were repaired.The buildings had
10、 been destroyed.(that/which)_ The terrible shaking of the building woke up all the people who/that were asleep.Most of the buildings that/which had been destroyed were repaired.PractisePair WorkCombine the two sentences into one using that,which,who,whose,whom or“”.3.Lang Zheng will always be thankf
11、ul for the heroes.The heroes stories will be passed down from generation to gerneration.(whose)_4.The people in Wenchuan will always remember the rescue workers.They fought with the rescue workers.(whowhomthat)_ Lang Zheng will always be thankful for the heroes whose stories will be passed down from
12、 generation to gerneration.The people in Wenchuan will always remember the rescue workers whowhomthat they fought with.PractisePair WorkSelf-exploreHe is the boy who/that survived the Wenchuan earthquake.Discuss with the group members.ApplyLang zheng is going to write a letter to show his thanks.Dea
13、r lovely heroes,Im Lang zheng.Im the boy who survived the Wenchuan earthquake.It was a terrible experience that I will never forget.On that day,（What did I see?）But hope was not lost.(How did I survive?)I will always be thankful for the people who helped us.Yours,Lang zheng AssignmentPolish your draft and rewrite it.Thank You!