Unit 4 Listening and Talking & Video time(ppt课件)-2022新人教版（2019）《高中英语》必修第一册.pptx

1、Listening and TalkingPART 01What happened in Wenchuan on May 12,2008?Listen to a news report about it and fill in the blanks.At 2:28 in the ,on May 12,2008Wenchuan County in ProvinceThere was a terrible earthquake.More than 69000 people lost their lives and people lost their homes.With the of the wh

2、ole nation,people in Wenchuan are rebuilding their homes.People are returning to life.The children are able to study in safe,new schools.afternoon Sichuanfive million helpnormalMrs Fors is a rescue worker.She and her dog,Lucky,are visiting a senior high school.Listen to the conversation and complete

3、 the table below.Mrs Fors is a rescue worker.She and her dog,Lucky,are visiting a senior high school.Listen to the conversation and complete the table below.what to dowhere to gowho to contactdropcoverhold onopenbuildingstreescell phonea wallWork in pairs.Choose a disaster and prepare a list of safe

4、ty instructions.The expressions below may help you.Having an emergency kit prepared is also very important.Look at the emergency supplies below.Discuss with a partner what else you would add.Video timePART 01Tsunami waves can strike out of nowhere and cause a lot of destruction.Scientists study and

5、track tsunamis in order to warn people and minimize deaths.Tsunami:Killer wavesTsunami:Killer wavesA tsunami is a series of ocean waves that sends surges(急剧上升)of water,sometimes reaching heights of over 100 feet(30.5 meters),onto land.These walls of water can cause widespread destruction when they c

6、rash ashore.What is tsunami?What is tsunami?These waves are caused by large,undersea earthquakes at tectonic plate boundaries.When the ocean floor at a plate boundary rises or falls suddenly,it displaces the water above it and launches the rolling waves that will become a tsunami.It may also be caus

7、ed by underwater landslides or volcanic eruptions.What Causes a Tsunami?What Causes a Tsunami?A.Tectonic plates push together.B.A series of waves expands in all directions.C.Whole sections of cities are destroyed.Read the sentences about the formation and effects of tsunamis.Then match each sentence

8、 with the correct picture.1.There are few warning signs just before a tsunami hits.2.A tsunami breaks just like an ordinary wave but is bigger.3.Scientists at the Pacific Tsunami Warning Center monitor the earths movements 24 hours a day in order to track tsunami.TFTA tsunami wave doesnt break like

9、an ordinary wave.Decide whether the statements are true(T)or false(F).Circle the correct word(s)in each sentence.1.An earthquake occurs when plates below the earths surface push together/pull apart.2.Tsunami waves deep at sea move fast and rise only a few/hundreds of feet.3.As these killer waves ent

10、er shallow waters,their speed is reduced/raised.4.Most tsunami damage is caused when the waves come in from/move back out to the sea.1.What have you learnt about tsunamis?Ive learnt that they are dangerous/that they arent noticeable or strong until they hit the coast.2.What kind of help do you think people who have suffered from a tsunami need?They need food,water,shelter,etc.They may also need medical help and emotional help if they have lost loved ones.Work in pairs.Discuss the questions.