1、Unit 4Natural Disasters高效作业21 Period Listening and Speaking.单词拼写1The earthquake was so big that most of the houses in the small village were completely d_2The loud noise of heavy traffic outside a_ our study.3Too much drinking will do d_ to your health;you should take the doctors advice.4Helicopters
2、 r_ nearly 20 people from the roof of the building.estroyedffected/ffectsamageescued5I badly need this job.To tell you the truth,it would be a d_ for me if I lost it.6More _(避难所)for the homeless should be built in some big cities.7Millions of people are suffering from starvation as a result of the _
3、(旱灾)and poor harvests.8There the children can swing and _(滑行)and go round and round for hours.isastersheltersdroughtslide9In ancient times,people believed that they could be brought back to life after _(死亡).10A great deal of money has been collected to help those suffering from the_(洪水).deathflood.单
4、句语法填空1Floods and earthquakes are natural _(disaster).2The lakes and wells all dried up during the _(dry).3When a volcano _(erupt),it explodes and flames and rocks come out of it.4The disease causes thousands of _(die)each year.5The old man sat in the shade of the big tree,_ (shelter)from the sunligh
5、t.disastersdroughteruptsdeathssheltering6As floodwater rose,their homes were all _，so people _ into a big house on the top of the hill.(flood)7It is the area that is often _(affect)by the hurricane.8The houses which had been _(damage)in the terrible earthquake were repaired.9_(rescue)the drowning bo
6、y，the soldier jumped into the lake.floodedfloodedaffecteddamagedTo rescue10The children had great fun _(slide)down the grassy slope last Sunday.sliding.短语填空1Large numbers of hungry people _(大量涌入)the area last year.2He_(前去营救)hurriedly when he heard a girls cry.3Drinking and smoking can _(给带来损害)your h
7、ealth.4His health will_(被严重影响)this disease.flooded intowent to her rescuedo damage tobe badly affected by5The workers wear masks to _ their eyes _(保护免受)the glare of the fire.shelter/protectfrom.完成交际对话(Aaron和Cindy在谈论刚刚发生的地震的情况。)Aaron:I heard a big earthquake 1_(袭击)Ecuador.Cindy:Yes,it happened yester
8、day.Aaron:Are there many people who 2_ (失去生命)?Cindy:Not yet,but many buildings were damaged and lots of people were injured.hit/strucklost their livesAaron:What about the people 3_(被困于)the buildings now?Cindy:It is reported that volunteers and 4_ (救援人员)have arrived there and some of them 5_(从中救出来)th
9、e buildings.Aaron:Thank goodness.trapped inrescue workershave been rescued from.阅读理解阅读下列短文，从每题所给的 A、B、C 和 D 四个选项中，选出最佳选项。AIf the crust(外壳)of the earth was not pretty solid(坚固的),it would be shaking and moving up and down frequently.However,there are places in the rocks of the earths crust where it is
10、nt strongly held together where faults(断层)exist.Along the faults,one rock might push against another with great force.The energy is changed to vibration in the rocks,so they begin to shake and we have an earthquake!The most famous earthquake in North America was the San Francisco earthquake of 1906.
11、Seven hundred people died and property(财产)damage amounted to about$425，000，000.The greatest destruction came from the fires that followed the quake.One of the most famous earthquakes in Europe took place in Lisbon,Portugal,in 1755.The city was destroyed and at least thirty thousand people were kille
12、d.In 1908,in Calabria and Sicily,a quake killed about seventyfive thousand people.In 1915,in central Italy,hundreds of towns and villages were damaged and thirty thousand people were killed.Two great earthquakes that caused great damage in Asia took place in Tokyo,Japan,and in Gansu Province,China.T
13、he Tokyo quake of 1923 killed more than one hundred thousand people and destroyed the city and the city of Yokohama,too.The Chinese quake in 1920 covered more than three hundred square miles and killed about two hundred thousand people.()1What does the first paragraph mainly tell us?AWhere earthquak
14、es happen.BHow earthquakes happen.CThe damage caused by earthquakes.DFamous earthquakes in the world.()2What does the underlined word“vibration”in the first paragraph probably mean?AShaking.BForce.CEnergy.DLosing.BA()3Which of the following is the correct order of the years when the earthquakes happ
15、ened?the San Francisco earthquakethe earthquake in Lisbon,Portugalthe earthquake in Calabria and Sicilythe earthquake in central Italythe earthquake in Gansu Provincethe Tokyo quake AB CDC()4We can infer from the passage that _ Athe earths crust in Europe is weaker than that in other places Bthe fir
16、es following the San Francisco earthquake caused more damage than the earthquake did Cthere were 75，000 people killed in the San Francisco earthquake Dthe city of Yokohama was not greatly influenced by the Tokyo quakeB答案及解析：【语篇解读】本文介绍了地震是如何发生的及历史上的几次大地震。1B 主旨大意题。通读第一段可知，本段介绍了地震的起因。故B选项正确。2A 词义猜测题。一块
17、岩石有可能用力挤压另一块岩石，地壳的能量发生了改变导致岩石晃动，于是地震发生了。vibration意为“晃动”，故A选项正确。3C 细节理解题。由文章第二、三、四段中地震发生的时间顺序可知C项正确。4B 推理判断题。由第二段中“The greatest destruction came from the fires that followed the quake.”可知B项正确。BAngus,Doris,Gabriel and Kamil are some of the 21 names that have been chosen to be given to storms in the UK
18、 in the 2016/17 season.The Met Office,the UKs national weather service,decided to give storms boys and girls names in 2015 in the same way as they did in America.The Met Office hopes that naming big storms will mean people are more aware(意识到)of them and how dangerous they can be.Derrick Ryall,from t
19、he Met Office,said，“We have seen how naming storms elsewhere in the world raises peoples awareness of storms before they break.”In the past,the same UK storm could be given different names by different organisations.“We noticed that many organisationsduring the last couple of winters,when we have ha
20、d bad storms,started giving names to them.Think back to the St Judes Day storm in 2013,and the socalled Hurricane Bawbag in Scotland in 2011.But it led to confusion(混 乱)，”a Met Office spokeswoman said.According to the Met Office,there is a name for each letter of the whole alphabet(字母表),except for Q
21、，U，X，Y and Z.That is the same as the naming tradition used in America.And not all storms will be big enough to get names only those expected to cause great damage.If there are more than 21 storms in a year,the Met Office will start again with another name beginning with“A”.However,according to Met O
22、ffice spokeswoman Lindsay Mears，“Its unlikely we would get through the whole alphabet in one season.We had 14 storms in the very bad winter of 2013/14,and if the naming system had been in operation then we wouldnt have used the whole alphabet.”()5Why are storms in the UK named?ATo increase public aw
23、areness of them.BTo remind people of their short stay.CTo follow what other countries do.DTo meet the needs of its people.A()6Examples are given in Paragraph 4 to show _ Atherere many storms to name in a year Borganisations named storms differently Csome storms names are similar to others Dsome stor
24、ms names are hard to understandB()7What do we know about the names given to storms?AStorms will be given names,regardless of their sizes.BSerious storms will be given boys names.C21 letters will be used to begin the names.D21 names will be given at most in a year.()8What can be learned from Lindsay
25、Mears?AThere are not too many big storms yearly.BAction will be taken to prevent storms.CThere are usually 14 storms in a year.DThe naming system will not change.CA答案及解析：【语篇解读】本文是说明文。文章主要介绍了英国为暴风雨命名的情况。5A 推理判断题。由第三段中的“naming big storms will mean people are more aware(意识到)of them and how dangerous th
26、ey can be”和“how naming storms elsewhere in the world raises peoples awareness of storms before they break”可推断，英国为暴风雨命名是为了增强人们对暴风雨的了解和防范意识。6B 推理判断题。本段的主题句是“In the past,the same UK storm could be given different names by differentorganisations”，下文通过举例说明该主题。7C 细节理解题。由倒数第二段中的“there is a name for each le
27、tter of the whole alphabet(字母表),except for Q,U,X,Y and Z”和最后一段中的“If there are more than 21 storms in a year”可知，在为暴风雨命名的时候，会以21个字母(字母表中一共26个字母，除了Q，U，X，Y，Z，还有21个)作为名字的开头。8A 推理判断题。由最后一段中Lindsay Mears所说的“Its unlikely we would get through the whole alphabet in one season.We had 14 storms in the very bad
28、winter of 2013/14”可推断，她认为英国每年不会发生那么多暴风雨。.七选五根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。The flood is one of the most common disasters in the US.Some floods develop slowly.But flash floods(山洪)can develop quickly,sometimes in just a few minutes and without any signs of rain.1_ It carries rocks and mud an
29、d can sweep away most things in its path.If a flood is likely in your area,you should：FListen to the radio or television for information.If there is any possibility of a flash flood,move at once to higher ground.2_If you have time to prepare,you should：Make your home safe by bringing in outdoor furn
30、iture.3_ Do not touch any electrical equipment if you are wet or standing in water.If you have to leave your home right away,remember these tips：BCDo not walk through moving water.4_ If you have to walk in water,walk where the water is not moving.Use a stick to check the ground in front of you.5_ If
31、 floodwater rises around your car,give up the car and move to higher ground if you can do so safely.Otherwise you and the car can be quickly swept away.ADo not drive into flooded areas.BDo not wait for instructions to move.CTurn off all pieces of electrical equipment.D20 cm of moving water can make
32、you fall.DAEFloods can cause deaths and the loss of treasures.FFlash floods often have a dangerous wall of water.GMud left from floodwater can contain chemicals.答案及解析：【语篇解读】洪水是美国最常见的灾害之一。有些洪水发展缓慢。但是山洪会迅速发展，有时几分钟就会爆发，而且没有任何降雨的迹象。本文中作者介绍洪水到来时应该采取的措施。1F 由空后“It carries rocks and mud and can sweep away m
33、ost things in its path.(它携带着岩石和泥土，可以扫除路上的大部分东西。)”可知山洪有一堵危险的水墙。故选F。2B 由空前“move at once to higher ground(立即转移到高处)”可知，不要等着指令再离开。故选B。3C 由空后“Do not touch any electrical equipment if you are wet or standing in water.(如果你湿了或站在水里，不要触摸任何电器。)”可知是关掉所有的电器。故选C。4D 由空前“Do not walk through moving water.(不要在流动的水中行走。)”可知在流动的水里走是很危险的，20厘米深的流动的水会让你跌倒。故选D。5A 由空后“If floodwater rises around your car,give up the car and move to higher ground(如果洪水在你的车周围上涨，放弃你的车，转移到更高的地方)”可知，是不要开车去洪水区。故选A。
