人教版必修一Unit-4《Earthquakes》ppt課件

1、readingUnit 4 Earthquakewarming-upnatural disastersearthquake hurricanefloodsandstormsnowstorm Which may cause the worst damage? pre-readingBuildings/roads/ bridges/ Earthquake What will happen after an earthquake?Buildings will _ .crack and fall downRoads will _ .crackThe bridge will _ .fallThe rai

2、lway tracks will _ .become useless pieces of steelPeople will _ .be buriedbe trappedbe killed/dieReadingA Night the Earth Didnt Sleep.skimmingRead quickly and find out the answers. When? Where? Why?While-ReadingTime :Place :Disaster:July 28,1978Tangshan,HebeiA bid earthquakeMain ideaA big earthquake

3、 happened in Tangshan on July 28,1978timeFor three daysAt about 3:00 on July 28,1978At 3:42 am on July 28,1978Afternoon of July 28,1978Soon after the quakeBefore the earthquakeDuring the earthquakePara. 1Para. 2&3Para. 4After the earthquakeThe order of the passagepara.1 before the earthquake rose an

4、d fell had deep cracks were too nervous to eat ran out of fields looking for places to hide. jumped out of their bowls and ponds. were seem in the sky. could be heard. cracked and burst.signsscanningpara.2 and 3: during the earthquake At _ am, the _ earthquake of the 20th century began ._ burst from

5、 holes in the ground. Hard hills of the rock became rivers of _._ covered the ground like red autumn leaves. Two _ and most of the bridges fell. The railway tracks were now _pieces of _._ now filled the wells instead of water. Water, food, and _ were hard to get._ was destroyed.3:42greatestSteamdirt

6、BricksdamssteeluselessSandelectricityNearly everythingDamagepara. 4: after the earthquake1.The army2.Workers3. Fresh water sent soldiers to Tangshan to help dig out survivors and bury the dead.b. was taken to the city by train, truck and plane.c. bulit shelters for survivorsrecoveryTang shans new lo

7、okWhen one place is hit by a disaster, help streams in from all over the country.United, we stand; divided, we fall.ConsolidationWhat should we do if an earthquake happens when we are in classroom?4 students in a group.What should we do if an earthquake happens?DiscussionDont be nervous and keep calm. Dont try to run out of the classroom. Protect your head by putting your bag on your head. Sit down under your desk. Leave the classroom after the earthquake. What should we do if an earthquake happens?homework1.Read the news report again and tr