（2021新人教版）高中英语必修第一册Unit 4 Section Ⅱ　Discovering Useful Structures 课后习题 ppt课件.docx

1、Section Discovering Useful Structures 一、用合适的关系代词完成句子 1.Have you read the books? Yes.I have read all the booksyou gave me. 2.May 12,2008 is a daywe will never forget. 3.That young girl is not the oneshe used to be. 4.This is the factorywe visited last year. 5.The old man lives in a houseroof is broke

2、n. 6.The hard-working farmers and their happy lifewe saw in the countryside made a wonderful impression on me. 7.We visited the factorymakes toys for children. 8.Have you found the womanbag was lost? 9.Where is the windowglass is broken? 10.The housewe once lived in is being repaired by the workers.

3、 11.The manis speaking at the meeting is an expert. 12.Womendrink more than two cups of coffee a day have a greater chance of having heart disease than thosedont. 13.The classroomdoor is broken will soon be repaired. 14.Thosewant to see the film please write down your name here. 15.The famous basket

4、ball star,tried to make a comeback,attracted a lot of attention. 16.We came to a placewe had never paid a visit to before. 17.The bookcover is green is mine. 18.The picturehas mountains and rivers is the oneI like best. 19.You must watch carefully everythingthe teacher does in class. 20.Many young p

5、eople like Jackie Chen,movies are popular. 二、将两个分句合并成一个带有定语从句的复合句 1.This is the camera.I bought it in Japan. _ 2.Do you see the bridge?It was built last year. _ 3.We visited the singer.We all like her performances very much. _ 4.The girl is our monitor.She is playing the piano over there. _ 5.The yo

6、ung man wants to buy a car.The cars color is black. _ 三、单句改错 1.This is the desk which leg was repaired by Tom. _ 2.This is the book that I have been looking for it. _ 3.There are two men which are working in that shop. _ 4.I,who is your friend,will always help you. _ 5.I like the second football mat

7、ch which was held last week. _ 四、阅读理解 Every year there are hundreds of earthquakes in different parts of the world.In September,1923,Tokyo and Yokohama were both destroyed by an earthquake and the fires that followed it.They had to be completely rebuilt.One of the most serious earthquakes was in Chi

8、nas Shaanxi Province in 1556.It killed almost one million people. We measure an earthquakes strength on the Richter Scale(里氏地震强度表).The Richter Scale was introduced in 1935 in Southern California in the USA.It measures earthquakes on a scale of one to ten.Any earthquake measuring five or more is usua

9、lly serious. The Earths crust(地壳) is made up of rock called plates.As these plates move,they sometimes crash against each other,causing the crust to quake.In cities such as Tokyo,where small quakes happen quite often,many modern buildings are designed to be flexible(柔韧的) so when the plate moves,they

10、 move with it. Earthquakes can also break gas and oil pipes.This can cause fires,which can do as much damage as the earthquake itself.Another effect of earthquakes is tsunamis.These are huge waves created by earthquakes beneath the sea.They can be many meters high and cause great damage to coastal t

11、owns and cities.China,Japan,Russia and the USA have the highest occurrence(发生) of earthquakes in the world. 1.The passage is mainly about. A.scientists who study earthquakes B.the way of measuring earthquakes C.a usual natural disasterearthquake D.what people should do in the earthquake 2.Which of t

12、he following statements is NOT true? A.The earthquake in Shaanxi Province happened in 1556. B.The earthquake in Shaanxi Province killed almost one million people. C.The earthquake in Shaanxi Province caused a lot of damage. D.The earthquake in Shaanxi Province was the only earthquake in China. 3.Acc

13、ording to the passage we know that tsunamis. A.can cause earthquakes B.are caused by earthquakes C.only happen on land D.are a way of measuring earthquakes 五、完形填空 The year is 2094.It has been announced that a comet (彗星) is heading towards the Earth.Most of it will miss our planet,but two pieces will

14、 probably1the southern half of the Earth. 217 July,a piece four kilometres wide enters the Earths3with a massive explosion.About half of the piece is destroyed,but the4part hits the South Atlantic at 200 times the speed of5.The sea6and a huge hole is made in the sea bed.Huge waves are created and sp

15、read out from the hole.The wall of water,a kilometre high,rushes towards southern Africa at 800 kilometres an hour.Cities on the African coast are totally destroyed and millions of people are7. Before the waves reach South America,the second piece of the comet8in Argentina.Earthquakes and volcanoes

16、are9off in the Andes Mountains.The shock10move north into California and all around the Pacific Ocean.The cities of Los Angeles,San Francisco and Tokyo are completely11by earthquakes.Millions of people in the12half of the earth are already dead,13the north wont be safe for long.Because of the explos

17、ions,the sun is14by clouds of dust,temperature around the world falls to almost zero.Crops are ruined.The sun wont be seen again for many years.Wars15as countries fight for16.A year later,no more than 10 million people remain17. Could it really18?In fact,it has already happened more than once in the

18、 history of the Earth.Science shows that the dinosaurs(恐龙)19on the Earth for over 160 million years.Then 65 million years ago they suddenly disappeared.Many scientists believe that the Earth was hit by a piece of heavenly object.The dinosaurs couldnt live20the cold climate that followed and they die

19、d out.Will we meet the same end? 1.A.attackB.hitC.beatD.damage 2.A.OnB.InC.AtD.During 3.A.airB.environmentC.situationD.atmosphere 4.A.restB.firstC.remainingD.half 5.A.soundB.lightC.earthD.air 6.A.burnsB.destroysC.harmsD.boils 7.A.deadB.lostC.killedD.damaged 8.A.entersB.comesC.fliesD.lands 9.A.sentB.

20、setC.causedD.made 10.A.rocksB.wavesC.earthD.shakes 11.A.hurtB.changedC.ruinedD.injured 12.A.southernB.northernC.westernD.eastern 13.A.andB.besidesC.butD.so 14.A.colouredB.hiddenC.pollutedD.shut 15.A.come outB.take placeC.appearD.break out 16.A.waterB.moneyC.foodD.the Earth 17.A.deadB.injuredC.active

21、D.on the Earth 18.A.be trueB.happenC.hit the EarthD.destroy the world 19.A.have beenB.had beenC.wereD.would be 20.A.forB.throughC.withD.on 六、语篇填空 One hot day,an ant was looking for some water.After 1.(walk) around for some time,she came to a river.2.(get) to the river,she had to climb up a piece of

22、grass.While the ant was making her way up,she fell into the water. Just then a dove in a nearby tree saw her.3.the dove saw that the ant was in trouble,he quickly picked off a leaf and 4.(drop) it into the water near the ant.The ant moved towards the leaf and climbed up there.Soon it carried her 5.(

23、safe) to the dry ground.Just 6. that time,a hunter nearby was going to shoot the dove.As soon as the ant found 7.the hunter was going to do,she quickly bit 8.on the heel.9.(feel) the pain,the hunter dropped his gun.The dove 10.(fly) away to safety quickly. Section Discovering Useful Structures 一、1.t

24、hat2.that/which3.that4.that/which 5.whose6.that7.that/which8.whose9.whose 10.that/which11.who/that12.who;who13.whose 14.who15.who16.that/which17.whose 18.that/which;that19.that20.whose 二、1.This is the camera that/which I bought in Japan. 2.Do you see the bridge which/that was built last year? 3.We v

25、isited the singer whose performances we all like very much. 4.The girl who is playing the piano over there is our monitor. 5.The young man wants to buy a car whose color is black. 三、1.whichwhose2.去掉 it3.whichwho/that4.isam5.whichthat 四、1.C2.D3.B 五、1.B2.A3.D4.C5.A6.D7.C 8.D9.B10.B11.C12.A13.A14.B15.D 16.C17.D18.B19.C20.B 六、1.walking2.To get3.When4.dropped 5.safely6.at7.what8.him9.Feeling10.flew