Unit 4 Natural Disasters Assessing your progress & Video time公开课（ppt课件）-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Unit 4 Natural DisastersAssessing your progress&video Time课前准备：课本，学案。积累本，双色笔Live to tell:Raising Awareness,Reducing Mortality.United Nations international strategyFor Disaster Reduction(2016)1.很多2.根据；按照3.成千上万的4.经历；遭受5.紧急供应6.保持冷静 7.挖出；翻出8.把.变成.9.执行；贯彻10.来自全国各地的11.过着新生活12.出于感激13.参军 14.希望做.15.的象征 a lot

2、 of according to thousands of suffer from an emergency supply keep calm dig.out turn.into.carry out from all over the countrylive a new life out of gratitudejoin the armyin a wish to do.a symbol of.the Chinese spirit of never giving up give a presentation on natural disastersthe answers to.in the ev

3、ent of.prepare for sth.stay safe find out catch the attention of your listeners reduce.to.visual aids out of nowhere minimise deaths in order to a series of waves in all directions16.中国永不放弃的精神17.做关于自然灾害的演讲18.的答案19.如果.发生，万一.20.为.准备21.保持安全22.发现，查明23.吸引听众注意24.把.减少/降低到.25.视觉教具；直观教具26.突然出现27.减少死亡人数28.为了；

4、以便29.一波接一波的波浪30.向四面八方 1.Circle the correct word in each sentence.1.The tornado that hit Mississippi last week caused a lot of damage/destroy.2.The mother thanked the rescue/save worker who found her baby.3.According to exports,the volcano could crash/erupt this week.4.Thousands of people are sufferi

5、ng/trapping from illnesses after the disaster.5.An emergency delivery/supply of food was transported to the area by the army.6.The earthquake affected/effected an area of several hundred square kilometres.7.During a natural disaster,the most important thing is to keep calm/quiet.8.“Shes still breath

6、ing/surviving!Come and help me dig her out!”shouted the soldier.2.Read the passage and fill in the blanks with relative pronouns.The people _ live in Wenchuan county will never forget the day 12 May,2008.the 8.0-magnitude earthquake _ killed over 80,000 people and left many more injured turned many

7、towns and counties into ruins.The rescue work _ followed was carried out by people from all over the country,and even abroad.Now,more than ten years on,the people _ suffered the earthquake are living a new life.Many live in new towns _ are earthquake-safe,in local communities _ have been beautifully

8、 rebuilt by the government.The people will never forget those _ rescued them and helped them rebuild their home.Out of gratitude,many young adults _ were students during the earthquake have chosen to study medicine or join the army in a wish to help more people.Wenchuan,the county _ was completely d

9、estroyed and then completely rebuilt,has become a symbol of the Chinese spirit of never giving up.who/thatwhich/thatwhich/thatwho/thatwhich/thatwhich/thatwho/thatwho/thatwhich/that定语从句：在复合句中作定语,修饰名词或代词的从句。被定语从句修饰的词叫先行词。关系代词：that,who,whom,whose,which关系副词：where,when,why(unit 5)关系词三功能连词作用，引导从句代替先行词在从句中

10、充当一个成分，起一定的句法作用The structure of restrictive relative clauses定义:在复合句中,修饰名词或代词的从句叫定语从句。Two thirds of the people who lived there were dead or injured.先行词关系词从句关系代词关系副词which,who,whom,whose,that,aswhere,when why关系代词指代从句中的成分that人/物主语/宾语/表语which物主语/宾语/表语who人主语/宾语/表语whom人宾语whose人/物定语Walking group welcomes ne

11、w members!Walk and Talk is a group _ meets every Sunday.It is free to join.Walk and Talk is perfect for anyone _ weekends need some excitement.We are all teenagers _ love walking and making new friends.We want you to join us!The next walk _ is open to new members is on 22 July.You can also bring you

12、r friends.However,anyone _ you bring must be over 12 years old.Come along and join the fun!Complete the online forum post with that,which,who,whom or whose.that/whichwhosethat/whothat/whichwhom/whoBRAINSTORM：Work in groups of three or four.Choose one of the natural disasters below and brainstorm ans

13、wers to the questions.earthquake tornado wildfire drought landslideavalanche tsunami floodfaminetyphoon volcanic eruption Are there any known causes of the disaster?What can be done to prevent it?Understanding the disasterWhat are the possible effects of the disaster?What can be done to prepare for

14、it?Preparing for the disaster What can you do to stay safe during the disaster?What kind of help do survivors need?In the event of a disasterBrainstorm(Take wildfires for an example).Understanding the disaster Are there any known causes of the disaster?Wildfires are usually caused by human and natur

15、al factors(lightning,etc.).What can be done to prevent it?Forest managers should be hired to protect the forest and people should be educated about prevention of forest fires.Brainstorm(Take wildfires for an example).Preparing for the disaster.What are the possible effects of the disaster?The wildfi

16、re may threaten people and/or their personal property.What can be done to prepare for it?People nearby should be informed immediately when a wildfire begins.Brainstorm(Take wildfires for an example).In the event of a disaster.What can you do to stay safe during the disaster?I will try my best to sta

17、y calm and move to safe places as soon as possible.What kind of help do survivors need?I think they are in need of a shelter to rest and medicine help when the get injured.Which questions do you not know the answers to?Which ones do you need more information on?Use the Internet or your school librar

18、y to find out more.Put together a presentation using the information you have gathered.Use the tips below to help you.,2.RESEARCH：Start your presentation with a hook(a story or fact to catch the attention of your l listeners).On Monday,5 September 20XX,600 people disappeared when.Reduce your ideas t

19、o three main points to help listeners remember what you say.So always remember to drop,cover,and hold on.Prepare visual aids for your presentation(photos,charts,tables,etc.).3.ORGANISE：Thousands of people in Northern California were told to leave their homes in November 2018 because of spreading wil

20、dfires.Officials said the fire started as a result of lightning strikes(雷击).This is just one of the many wildfires that happened in 2018.Then how much do you know about wildfires?Wildfires are usually caused by human and natural factors(like lightning,etc.).When wildfires begin,they may threaten peo

21、ple and/or their personal property.So we should try to prevent them.Forest managers should be hired to protect the forest and people should be educated about prevention of forest fires.Then what should we do when a wildfire begin?We should first inform people nearby about it and evaluate them to saf

22、e places.We should try to stay calm and move to safe places as soon as possible.After the wildfire,we should provide survivors shelters to rest and medicine help for the injured.BEFORE YOU WATCHRead the sentences about the formation and effects of tsunamis.Then match each sentence with the correct p

23、icture.A Tectonic plates push together.B A series of waves expands in all directions.C Whole sections of cities are destroyed.CBAWHILE YOU WATCH1.Decide whether the statements are true(T)or false(F).1.There are few warning signs just before a tsunami hits.2.A tsunami breaks just like an ordinary wav

24、e but is bigger.3.Scientists at the Pacific Tsunami Warning Center monitor the earths movements 24 hours a day in order to track tsunamis.2.Circle the correct word(s)in each sentence.An earthquake occurs when plates below the earths surface push together/pull apart.Tsunami waves deep at sea move fas

25、t and rise only a few/hundreds of feet.As these killer waves enter shallow waters,their speed is reduced/raised.Most tsunami damage is caused when the waves come in from/move back out to the sea.TFTFTFAFTER YOU WATCHWork in pairs.Discuss the questions.1.What have you learnt about tsunamis?2.What kind of help do you think people who have suffered from a tsunami need?