Unit 4 Natural Disasters Reading and thinking （ppt课件）-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Wenchuan May 12,2008 Pre-reading:Think and talk:what can happen to a city during a big earthquake?Earthquake in Wenchuan on May 12th,2008.The whole city lay in ruins,69,225 people died,374,640 were injured and 17939 were missing.Lets learn1.Look at the title and picture below and guess what the text

2、 is about.titleThe passage is about an earthquakeFast reading:3.Underline the topic sentence of each paragraph.1.Skim the passage and think about the meaning of the title.2.Write down the main idea of the whole text.(no more than 10 words.)Whats the meaning of the title“A NIGHT THE EARTH DIDNT SLEEP

3、”?Fast Reading1.The title“A night the earth didnt sleep”means _.A.the earth was awake all night longB.people on the earth couldnt fall asleep that nightC.the earth shook like crazy that nightD.animals on the earth would not sleep that night Time:Place:Disaster:July 28,1976Tangshan,HebeiA big earthqu

4、akeMain idea:An earthquake happened in Tangshan on July 28,1976 ParaTopic sentence1 12 23 34 45 5Strange things were happening in the countryside of northeast Hebei.It seemed as if the world was at an end!Nearly everything in the city was destroyed.But hope was not lost.Tangshan started to revive it

5、self and get back up on its feet.Tips:Pay attention the beginning of each paragraph.3.Read the text carefully and then write down the main idea of each paragraph.Paragrah1:_Paragrah2:_Paragrah3:_Paragrah4:_paragrah5:_Pay attention to the topic sentence of each paragraph to find the main idea quickly

6、Help from all over the country/The rescue work.The happening of the big earthquakeThe immediate effects of the earthquakeWarning signs before the earthquake.Part 1(Para 1)Part 2(Para 2&3)Part 3(Para 4&5)The rescue work after the earthquake and a new Tangshan was built(the revival of the city)Signs b

7、efore the earthquake.What happened during the quake and the damage caused by the quake.The whole passage can be divided into 3 parts.In what order did the writer write the passage?Part 1:Para 1Part 2:Para 2&3Part 3:Para 4&5 signsdamagerecovery the earthquake the earthquake the earthquakeBeforeDuring

8、AfterTime Detailed reading 4.Read the text and find out the needed information,then answer the questions given.1The well walls had_28:00am10:00amThe water in the village wells _.rose and felldeep cracks in them.v of the nation felt the earthquake.v A huge crack that was kilometres long and metres wi

9、de cut across houses.v In less than minute a large city lay in ruins.v of the people died or were injured during the earthquake.v The number of people who were killed or injured reached more than .v All of the citys hospitals,_ of its factories and buildings and _of its homes were gone.1/383012/3400

10、,00075%90%DetailsDetailsThe armyDoctors and NursesWorkersgovernmentssent soldiers to _ _those who were_and to_ the dead.dig outtrappedburycame to _medical care.built _for survivors whose homes had been destroyedprovidesheltersWith strong _ from the government and the tireless_of the citys people,a n

11、ew Tangshan was built.supportefforts1).”All hope was not lost.”A None of the hope was lost.B There was no hope at all.C Not all hope was lost2).“The city began to breathe again.”5.The two sentences appear in para 4.Guess the meaning of them according to the context.A Slowly,the wind began to blow in

12、 the city.B Slowly,the people in the city began to breathe.C Slowly,the city began to come to life.3)What does the sentence“Slowly,the city began to breathe again.”mean?A.The people and animals began to breathe.B.The city returned to normal gradually.C.People who were trapped came to life.Post-readi

13、ngTangshans new lookWork in groups.Discuss the questions.1.What do you think helped in the revival of Tangshan city?It was the strong support from the government and tireless effort of the citys.people that helped the revival of Tangshan cityShow time 2.What other cities or town have gone though sim

14、ilar changes?What lessons can we learn from these events?In China,Wenchuan county was also struck by a big earthquake.people there work hard and make an effort to make Wenchan a happy place to live.After ten years of development,people there lead a happy and peaceful life.Whatever happens in life,th

15、ere is always hope so long as we have dreams.Summary What have you learnt in this class?Suppose the earth begins to shake,what shall we do or not do?Discuss the following open question in group Discussion(pair or group work)If outdoors:Stay away from buildings,trees,signs,and power lines.Crouch down

16、(蹲下蹲下)and cover the head.Get away!If in classroom:1.Dont be nervous and keep calm.2.When at the bottom of the building,you should leave the classroom in good order.If you are at the top of the building,dont try to run out of the classroom or jump out of the window.3.Hide under your desk and protect

17、your head by putting your hands on your head.4.Wait for a good time and leave the classroom right away after the shake decrease(减少，减小减少，减小).1.It seemed as if the world were coming to an end!仿佛到了世界末日！(2)当说话人所陈述的是不真实的或极不可能发生或存在的情况时，从句要用虚拟语气。如果从句表示与现在事实相反，谓语动词用一般过去时。如果从句表示与过去事实相反，谓语动词用“had过去分词”。如果从句表示与

18、将来事实相反，谓语动词用“would/could/might动词原形”。Hurry up!It looks as if the train is going to move.快点！看起来火车要开了。It was John who broke the window.Why are you talking to me as if I had done it?打破窗户的是约翰。为什么你说得好像是我打破的似的？He opened his mouth as if he would say something.He opened his mouth as if to say something.他张开嘴好

19、像要说什么。巩固内化单句语法填空Tom shook his head as if _(say),“Dont trust her.”He treats me as if I _(be)his own daughter.They talked as if/though they _(be)friends for years.注意as if/as though引导状语从句时的省略原则。as if/as though引导状语从句时，如果主语和主句的主语一致，且从句含be动词时，可省略状语从句的主语和be动词。从句的结构是as if/as though名词/动词不定式/形容词(短语)/介词短语/分词等。

20、to saywerehad been2.Most bridges had fallen or were not safe to cross.“主语+系动词+表语+todo”结构 在“主语+系动词+表语+动词不定式”结构中，表语一般为性质形容词，常用 的性质 形容 词easy,hard,difficult,safe,imteresting,heavy，plesant,good,nice,comfortable,impossible等，当不定式和句子主语构成逻辑上的动宾关系时，不定式多用主动形式表示被动含义.He is not easy to get along with.The book is very interesting to read.2当不定式中的动词为不及物动词时，要在其后加上适当的介词。The chair looks rather hard,but in fact,it is very comfortable to sit on.Be aware of earthquakes and love our life!警惕地震，珍爱生命