1、Unit 4 Unforgettable ExperiencesUnit 4 Unforgettable experiences2.What2.What natural disastersnatural disasters do you know?do you know?3.What would you do in those3.What would you do in those situations?situations?1.What do you know about 1.What do you know about disasters?disasters?4.The rescueDis
2、aster:an event that causes great harm or damagewarwardiseasediseasePlane crashPlane crashbackfloodtyphoonearthquakefirevolcanic eruptionSnow stormthunderstormSand stormMud-rockavalanchedrought干旱 flood 洪水typhoon台风storm风暴avalanche 雪崩mud-rockflow泥石流red tides赤潮 tsunami海啸volcanic-eruption火山喷发sandstorm沙尘暴
3、earthquake地震DisasterYoure studying in the classroom.Youre sleeping in your bedroom.You are cooking in the chickenYoure shopping in a supermarket.SituationWhat would you do?Fire First,Next,Then,Finally,We had been practising our English lessons when our Headmaster used the broadcast to tell all the s
4、tudents that the river was flooding our village.First,we all ran out of the classroom.Next,we started climbing to the roof of the school building.Then,we waited for a team of soldiers to come in boats and brings us to a safe place.Finally,I found my parents and was happy we were all saved.Attention:
5、exercise your imagination For example:1.What does the word rescue mean(according to the context)?2.What disaster happened?And who were trapped?4.Why was Jeff looking for the chimney?3.How did they try to escape?Skimming:Flood Because the chimney is the strongest part of the house.By climbing up the
6、chimney.Jeff and FloraIt means save.5.Where were they when the water came?What were Floras first two feelings when she turned around and saw the water coming?In the garden Surprised and wonderSequencesthe words and expressions describing the floodThe words and expressionsdescribing their struggle to
7、 escapeIn the garden On the way to the houseInside the house Next to the chimney How many parts can the whole passageBe divided according to the change of thePlaces?Sequencesthe words and expressions describing the floodThe words and expressions describing their struggle to escapeIn the gardenOn the
8、 way to the house Inside the house Next to the chimney1.She heard a loud noise,which grew to a terrible roar.2.Jeff shouted,seizing her arm.Listen to the tape and Find out those two kinds of sentences as many as possible.Sentence patternsFirst,see,wave,turn around,advanceNext,swept,struggleThen,get
9、to,stairs,safeFinally,fell down,chimneyPost reading 1.Hearshouting,see running 英语中有些感官动词如hear.notice.watch.find.feel.smell.look at.listen to+-ing现在分词作宾语补足语，表v正在做某事,若用see sb.do sth.看见某人做过某事I saw him crossing the street.I saw him cross the street.He was seen(by me)crossing the street.He was seen cross
10、ed the street.2.before引导状语从句常意为“在之前”或“还没来得及”“不等就”(how many other similar sentence can you find in the text?)It was dark before she realized it.And before she could speak again,I began to talk.Language Points3.A wall of fire/water e.g.The boat was hit by a wall of water.4.advance:前进，进展前进，进展 move forw
11、ard or develop 动词动词 e.g.A month has passed and the work has not advanced.The soldiers advanced on the enemy.前进，进展前进，进展 forward movement or developmente.g.You can not stop the advance of old age.There have been great advances in space travel in the last 20 years.in advance 提前提前 advanced形容词形容词 advance
12、d education 高等教育高等教育5.sweep clear(dust,dirt)away with sth：e.g.The old mans eyes swept the distance.扫视扫视 A storm swept over the country.席卷席卷He sweep the house clean everyday.打扫打扫A new broom sweeps clean.新官上任三把火。新官上任三把火。8.get on/stand ones feet 站起来站起来 e.g.He got on his feet when his teacher asked him
13、to answer the questions.6.Pull sb/sth up 把拉起来；使.停下He struggled and finally pulled himself up.You have to pull up at the red light.7.Hold on to(hold onto)抓住，抓牢9.fight for 为而战fight for peace/freedomFight against 为反对而斗争 fight against terrorism/war10.Look into each others face with a look of fright(1)向里
14、面看，观察 He looked into my eyes to make sure I was telling the Truth.(2)investigate,to find out the truth about a problem,Crime 调查Police are looking into the disappearance of two children.10.在英语中可以在英语中可以must,may,can表示对事情的猜测。表示对事情的猜测。must为肯定语气很强，为肯定语气很强，may表示表示“可能，也许可能，也许”语气的把握不语气的把握不是很大。这两者常用在肯定句。是很大。这
15、两者常用在肯定句。must意思为肯定，意思为肯定，can常常用于否定句和疑问句。用于否定句和疑问句。must+动词原形动词原形,表示对现在的猜测，表示对现在的猜测，must+be+doing表示对正在发生的事情，表示对正在发生的事情，must/can/may+have+过去分词过去分词:表示对已发生的事情进表示对已发生的事情进行猜测。行猜测。e.g.Helen is Lucys good friend.She must know Lucys e-mail.We can hear loud voices in the meeting room.They must be quarrelling.I met Jeff at the gate a moment ago.He cannot have gone to Australia.
