1、Unit 4 Natural DisastersSectionDiscoveringUsefulStructures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 books you gave me.2.May 12,2008 is a day we will never forget.3.That young girl is not the one she used to be.4.This is the factory we visited last year.5.The old man lives in a
2、house roof is broken.6.The hard-working farmers and their happy life we saw in the countryside made a wonderful impression on me.7.We visited the factory makes toys for children.8.Have you found the woman bag was lost?9.Where is the window glass is broken?10.The house we once lived in is being repai
3、red by the workers.11.The man is speaking at the meeting is an expert.12.Women drink more than two cups of coffee a day have a greater chance of having heart disease than those dont.13.The classroom door is broken will soon be repaired.14.Those want to see the film please write down your name here.1
4、5.The famous basketball star, tried to make a comeback,attracted a lot of attention.16.We came to a place we had never paid a visit to before.17.The book cover is green is mine.18.The picture has mountains and rivers is the one I like best.19.You must watch carefully everything the teacher does in c
5、lass.20.Many young people 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 ther
6、e._5.The young 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 Chinas
8、 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 usually
9、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 move
10、 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 towns a
11、nd 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 earthquakesB.the way of measuring earthquakesC.a usual natural disasterearthquakeD.what people should do in the earthquake2.Which of the followin
12、g 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.According to the pa
13、ssage we know that tsunamis .A.can cause earthquakesB.are caused by earthquakesC.only happen on landD.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 probably 1 the south
14、ern half of the Earth.2 17 July,a piece four kilometres wide enters the Earths 3 with a massive explosion.About half of the piece is destroyed,but the 4 part hits the South Atlantic at 200 times the speed of 5.The sea 6 and a huge hole is made in the sea bed.Huge waves are created and spread out fro
15、m 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 are 7.Before the waves reach South America,the second piece of the comet8 in Argentina.Earthquakes and volcanoes are 9 off i
16、n the Andes Mountains.The shock 10 move north into California and all around the Pacific Ocean.The cities of Los Angeles,San Francisco and Tokyo are completely 11 by earthquakes.Millions of people in the 12 half of the earth are already dead,13 the north wont be safe for long.Because of the explosio
17、ns,the sun is 14 by clouds of dust,temperature around the world falls to almost zero.Crops are ruined.The sun wont be seen again for many years.Wars 15 as countries fight for 16.A year later,no more than 10 million people remain 17.Could it really 18?In fact,it has already happened more than once in
18、 the history of the Earth.Science shows that the dinosaurs(恐龙) 19 on 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 live 20 the cold climate that followed and
19、they died out.Will we meet the same end?1.A.attackB.hitC.beat D.damage2.A.OnB.InC.AtD.During3.A.airB.environmentC.situationD.atmosphere4.A.restB.firstC.remainingD.half5.A.soundB.lightC.earthD.air6.A.burnsB.destroysC.harmsD.boils7.A.deadB.lostC.killedD.damaged8.A.entersB.comesC.flies D.lands9.A.sentB
20、.setC.causedD.made10.A.rocksB.wavesC.earthD.shakes11.A.hurtB.changedC.ruinedD.injured12.A.southernB.northernC.westernD.eastern13.A.andB.besidesC.butD.so14.A.colouredB.hiddenC.pollutedD.shut15.A.come outB.take placeC.appearD.break out16.A.waterB.moneyC.foodD.the Earth17.A.deadB.injuredC.activeD.on th
21、e Earth18.A.be trueB.happenC.hit the EarthD.destroy the world19.A.have beenB.had beenC.wereD.would be20.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 grass.While
22、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.(safe) to the
23、 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.SectionDiscoveringUsefulStructures一、1.that2.that/which
24、3.that4.that/which5.whose6.that7.that/which8.whose9.whose10.that/which11.who/that12.who;who13.whose14.who15.who16.that/which17.whose18.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 visited the singer whos
25、e 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.C根据文章第一段内容可知本文主要讲述了大自然中的一种很常见的灾难地震。故C项正确。2.D根据第一段最后两句“Oneofthemostseriousearthquakeswasin
26、ChinasShaanxiProvincein1556.Itkilledalmostonemillionpeople.”可知选D项。3.B根据文章最后一段倒数第三句“Thesearehugewavescreatedbyearthquakesbeneaththesea.”说明海啸是由海底的地震所导致的。故B项正确。五、1.B彗星应该是“击中”地球,所以应该是hit。beat意为“反复地打击”。2.A在具体的某一天用on。3.D彗星碎块进入“大气层”。所以应该是atmosphere。4.C该彗星碎块的大部分已经被毁,剩下的部分和地球相撞。rest不能做定语。只能说therestofsth。5.A根
27、据常识,应该是声速的两百倍。6.D大海“沸腾”起来,而不是燃烧起来。harm和destroy词义不符合题意,而且是及物动词,应用被动语态。7.C好几百万人失去了生命。dead表示死亡状态;sbbelost表示“某人迷路”。8.D另一彗星碎块“降落”在阿根廷境内。9.B“引发”了地震和火山。setsthoff意为“引发某事剧烈发生”。10.Bshockwaves为“冲击波”之意。由本段开头“Beforethewavesreach.”可知。11.C这三座城市完全被“毁灭”。12.A第一段最后一句提示了这两块彗星石会击中南半球。13.A前后两句应该为并列关系。14.B太阳被云层“遮盖”。hide“隐
28、藏”;shut“关闭”。15.D战争爆发应该用breakout。comeout“发现,露出”;takeplace“发生”;appear“出现”。16.C前面说“Cropsareruined.”,国与国之间会为争夺食物而战。17.D地球上仅仅存留着不到一千万人。18.B句意:这种事情真的会发生吗?因为it应该指这种事情,而不是该彗星,所以C、D两项都不对。19.C句意:科学证明恐龙曾经在地球上生活过1.6亿年。并没有延续到现在,所以不能为现在完成时态;另外,shows是现在时态,所以答案也不能是过去完成时态。20.B恐龙不能“活过”这样的气候。livethrough“活过”。六、1.walking2.To get3.When4.dropped5.safely6.at7.what8.him9.Feeling10.flew
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