高中英语-第四单元-Period单元预习课课件-新人教版必修1课件.ppt

1、服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 导导读读话话题题美美文文感感悟悟教教材材原原文文预预学学语语言言知知识识服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 Period I 单元预习课震是一种可怕的自然现象。地震是如何发生的，它又有哪些危害呢？EARTHQUAKESEvery year there are hundreds of earthquakes in different parts of the world.China，Japan，Russia and the USA have the highest occurrence(发

2、生)of earthquakes in the world.服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 The earths crust(地壳)is made up of layers of rock called plates.As these plates move，they sometimes crash against each other，causing the crust to quake.Earthquakes can also break up gas and oil pipes.This can cause fires tobreak out，wh

3、ich can do as much damage as the earthquake itself.Another effect of earthquakes is tsunamis(海啸)These are huge waves created by earthquakes beneath the sea.They can be many meters high and cause great damage to coastal towns and cities.服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 On May 12th，2008，a strong ea

4、rthquake struck Sichuan province，China.It killed nearly 80，000 lives，injured about 370，000 and caused a lot of damage.We measure an earthquakes strength on the Richter scale(里氏震级)The Richter scale was introduced in 1935 in Southern California in the USA.It measures earthquakes on a scale of one to t

5、en.Any earthquake measuring five or more is usually serious.服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 1strike vt.袭击2be made up of 由构成3break up 打碎；粉碎4break out 爆发；发生 服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 1Which areas of the world have frequent earthquakes?(No more than 8 words)_ 2What does paragraph two want

6、 to tell us?(No more than 10 words)_服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 3What is the cause of tsunamis?(No more than 2 words)_【答案】1.China，Japan，Russia and the USA.2.How an earthquake is measured.3.an earthquake/earthquakes.服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 第1步识记核心单词.根据所给词性和汉语提示写出下列单词1_ n.地震2_ n.井3

7、_ n.管；导管4_ n.百万5_ n.民族；国家；国民earthquakewellpipemillionnation服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 6_ n.运河；水道7._n.蒸汽；水汽8_ n.污垢；泥土9_ n.苦难；痛苦10_ adj.极度的11_ vt.损害；伤害12_ vt.破坏；毁坏；消灭13_ n.轨道；足迹canalcanaldirtsufferingextremeinjuredestroytrack服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 14_ vt.&vi.(使)震惊；震动 n.休克；打击；震惊15

8、_ n.电；电流；电学16_ n矿；矿山；矿井17_ n矿工18_ n掩蔽；掩蔽处；避身处19_ n标题；头衔20_ n记者shockelectricitymineminersheltertitlereporter服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 .将单词和所给英语释义连线1burstAsomething that has a bad effect2event Bthe plan to catch something3ruin Cto put something under the ground 4useless Dserious damage or de

9、struction(破坏)5rescue Ean important thing that happens6trap Fto break open or in pieces suddenly7disaster Gto save from danger or harm8bury Hnot useful【答案】18FEDHGBAC服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 第2步掌握高频短语.根据所给汉语提示写出下列短语1_ 立刻；马上2_和往常一样3_ 仿佛；好像4_ 结束；终结5_严重受损；破败不堪6_ 掘出；发现7_许多；大量的right awayas usual

10、as ifat an end in ruinsdig outa great number of服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 .用以上短语的适当形式填空1Two years later the war was finally _2Many buildings were _ because of the big flood.3Hurry up!It looks _ it is going to rain.4_ houses were burnt down in the big fire.5He is ill;you should call in the d

11、octor _6They _ an ancient tomb by accident.服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 7Tom is always late.This morning he came to school late _【答案】1.at an end2.in ruins3.as if4.A great number of5.right away6.dug out7.as usual服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 第3步背诵重点句型.背诵下列教材中出现的句型，体会黑体部分的用法1In the farmya

12、rd，the chickens and even the pigs were too nervous to eat.农家大院里的鸡，甚至猪都因过于惶恐而不想进食。2It seemed as if the world was at an end.似乎世界末日来临了。服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 3Thousands of families were killed and many children were left without parents.成千上万个家庭遇难，许多孩子变成了孤儿。4All hope was not lost.不是所有的希望都破灭

13、了。服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 从四个选项中选择最佳答案1All the following unusual things happened before the quake except that _Athe water in the village wells rose and fellBthe chickens and even the pigs were too nervous to eatCtens of thousands of cows would never give milk againDfish jumped out of the

14、ir bowls and ponds服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 2What is the number of people who were killed or injured during the earthquake?A400，000.B150，000.C10，000.D50，000.3What was the result of the earthquake?ALuckily，the citys hospitals survived.BAll of the citys factories were gone.CMost of the citys

15、 homes were gone.DThe wind could blow the bricks on the ground away.服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 4The title“A night the earth didnt sleep”means _AThe earth was awake all night longBPeople on the earth couldnt fall asleep that nightCThe earth shook like crazy that nightDAnimals on the earth wo

16、uld not sleep that night服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 5What can we infer from the text?AIt was the greatest earthquake of the 20th century.BBoth the countryside and the city were badly destroyed by the earthquake.CThe city of Tangshan was shaken twice on July 28，1976.DThe whole nation united to help Tangshan.【答案】15CACCC服/务/教/师 免/费/馈/赠返回菜单返回菜单 RJ英语英语必修必修1 【答案】1.Strange things2.rose and fell3.too nervous4Mice5.jumped out of6.burst7.dirt8.fell9useless10.electricity