1、UNIT 6 课下题型练(四)Writing a survival story.阅读理解War can be deadly for wildlife, too.A new study reports that war is the biggest threat to Africas elephants, rhinoceroses, and other animals.Researchers examined how years of conflict in Africa have affected populations of large animals.More than 70 percen
2、t of Africas protected wildlife areas have been within a war zone at some point in the last 70 years.The more frequent the fighting, the greater the drop in animal populations, said Josh Daskin, an ecologist at Yale University.He was the lead author of the study, which was published Wednesday in the
3、 journal Nature.It takes very little conflict, as much as one conflict in about 20 years, for the average wildlife population to be declining, Daskin said.“Areas with frequent fighting but not necessarily the bloodiest fighting lose 35 percent of their large animal populations during each year of wa
4、r，” he said.Some animals get killed by weapons of war.Yet, many also die because of changes in social and economic conditions in an area as a result of war, said Rob Pringle.He is an ecologist at Princeton University and the studys coauthor.“People in and around war zones are poor and hungrier.So th
5、ey may begin to illegally hunt animals for valuable tusks or hunt protected animals to eat，” Pringle said.“And during wartime, animal conservation programs do not have as much money or power to protect wildlife.”The new study examined the entire African continent over 65 years.The researchers looked
6、 at 10 different factors that could change population numbers.They included war, drought, animal size, protected areas and human population density.The number of wars had the biggest effect on wildlife population.The intensity of the wars measured in the number of human deaths had the least effect o
7、n animals.语篇解读：本文是一篇说明文。文章介绍了战争对于野生动物的致命影响。1Which is the most dangerous to Africas animals?AHunting.BWars.CDrought.DEconomy.解析：选B细节理解题。根据第一段中的War can be deadly for wildlife, too.A new study reports that war is the biggest threat to Africas elephants, rhinoceroses, and other animals.可知，对于非洲的野生动物来说最危险
8、的是战争，故选B项。2What can we know about the animals in Africa?AMore than 70 percent of animals live in a war zone.BLittle conflict has no effect to animals population.CThe more frequent the fighting is, the fewer animals are.D35 percent of animals in the world died each year because of war.解析：选C细节理解题。根据第一
9、段中的The more frequent the fighting, the greater the drop in animal populations可知，战争越频繁，动物就越少。故选C项。3Which one is NOT the reason why animals die in the war?ABeing killed by the weapons.BBeing killed by poor and hungry people.CThe loss of their habitat.DLack of money or power to protect them.解析：选C细节理解题。
10、根据第三段中的Some animals get killed by weapons of war.可知，一些动物是被战争的武器杀死，故排除A项；根据第三段中的“People in and around war zones are poor and hungrier.So they may begin to illegally hunt animals for valuable tusks or hunt protected animals to eat，” Pringle said.可知，动物死于战争的另一原因是贫困而又饥饿的人们杀死动物获取有价值的长牙或作为食物，故排除B项；根据And du
11、ring wartime, animal conservation programs do not have as much money or power to protect wildlife.可知，在战时，动物保护项目没有那么多的资金和能力来保护野生动物，故排除D项。故本题应选C项。4Which one has the least influence on wildlife population?AThe intensity of the wars.BProtected areas.CThe number of wars.DAnimal size.解析：选A细节理解题。根据最后一段最后一句
12、可知，战争的密度对于野生动植物的数量有着最小的影响，故选A项。.完形填空One day I was driving to the marsh (湿地) for birdwatching.The weather forecast called for the possibility of fog.As I 1 the destination, the fog began to 2 .At a turning, I lost 3 of the car and ran into the wetland.I tried to open the door, but it was locked as th
13、e water had 4 the electrical system.I remembered I had a fire extinguisher (灭火器)I 5 it and gave the window a 6 hit.It merely bounced off.I hit it again, with the 7 result.The water level had risen, and soon I was swinging the extinguisher underwater.I had to 8 for air and down to take as many 9 as m
14、y breath would allow.I was nearly 10 .A part of me just wanted to give up.But then another thought came to mind，“You have 11 more time.What will you do with it？” “Im going to try 12 ，”I responded.I 13 swinging the fire extinguisher as hard as I could and suddenly the impact felt different.I 14 my le
15、ft hand and felt a hole in the 15 .I knew I was going to live.语篇解读：本文是一篇记叙文。作者叙述自己有一天开车去沼泽地观鸟时，车子失去控制陷进了沼泽地，当作者处在危险的境地时，他经过不断的尝试和努力，成功摆脱了困境。1A.soughtBapproachedCchoseDvisited解析：选B根据上文中的One day I was driving to the marsh (湿地) for birdwatching.可知，有一天作者开车去沼泽地观鸟。显然，此句的意思是“当我快到(approached)目的地时”，故选B。2A.ri
16、seBliftCdecreaseDdisappear解析：选A根据前面的The weather forecast called for the possibility of fog.可知，天气预报说可能有雾。显然要用rise，意思是“雾开始逐渐变大”，故选A。3A.sightBtrackCtouchDcontrol解析：选D根据后面的ran into the wetland可以判断出，车陷进了沼泽地，这就暗示作者失去了对车的控制。短语lose control of意思是“失去对的控制”。4A.operatedBsettledCshortedDdeveloped解析：选C此处表示“我试图打开门，
17、但是门被锁住了，因为水使得电路系统短路(shorted)”。注意此处short作动词，意思是“使短路”。5A.brokeBgrabbedChungDclosed解析：选B根据上文中出现的fire extinguisher (灭火器)可推断，显然作者在这里是抓起(grabbed)了它，然后给窗户狠狠一击。6A.gentleBmildCdirectDsharp解析：选D作者用灭火器对窗户狠狠一击。对比选项可以看出，使用sharp更符合句子的意思。7A.sameBjoyfulCpositiveDdifferent解析：选A它只是弹开了。作者又打了一下，结果还是一样(same)。8A.go outBg
18、o awayCgo upDgo over解析：选C根据前面的意思可知，水位上升，很快作者就在水下挥动灭火器。显然作者被淹没在水下了，他就不得不从水中浮上来(go up)呼吸空气。9A.fistsBswingsCcutsDcalls解析：选B根据文章前面的意思，很快作者就在水下挥动灭火器，显然此处要用swings，意思是“摆动，挥动”，表示“只要我的呼吸允许，我必须尽可能多挥动灭火器”。10A.delightedBdisappointedCdeterminedDdesperate解析：选D根据上下文可知，作者几乎绝望(desperate)了。11A.a littleBmuchCplenty of
19、Dfar解析：选A根据语境可知，作者感觉到他只有一点(a little)时间了。12A.weakerBharderCbetterDworse解析：选B根据语境可知，作者在这里心里想的一定是要更努力(harder)。13A.startedBpausedCcontinuedDconsidered解析：选C作者继续(continued)挥动着灭火器。14A.wavedBshookCextendedDtook解析：选C此句的意思是“我伸出(extended)左手，感觉到窗户上有个洞”。15A.carBdoorCextinguisherDwindow解析：选D根据上文中的I 5 it and gave
20、the window a 6 hit.可知，此处指的是窗户。.读后续写阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。“If mum finds out that Im going to the beach, Ill be in big trouble.” I muttered (咕哝) to myself softly.I walked slowly and silently down the stairs and tried to walk casually into the kitchen.As I was walking towards the back do
21、or, mum asked without looking up from her “dishwashing”， “Where are you going？” I answered back without hesitation, “Im going to the garden to play.” After I got out of the kitchen, I breathed a sign of relief.My plan had worked out fine so far.I scaled (攀登) the fence and jumped onto the muddy field
22、 next to my house and started running towards the bus stop at top speed.After half an hour, I was at the beach scanning the crowd for my friends, Jimmy and Bobby.After a while, I spotted them near a coconut tree.I ran towards them and got into my swimming trunk.For about an hour, we played volleybal
23、l happily.Suddenly, Bobby hit the ball too hard and the ball fell into the sea.Just as Bobby was going to pick up the ball, the tide came in and carried the ball further and further away from the shore.I wanted to show off my swimming skills so I decided to get the ball for them.I dived into the wat
24、er and started swimming at a steady pace.After swimming for about ten minutes, I became tired but when I saw that the ball was only a few feet away from me, I put in an extra burst of speed.However, just as I was going to catch the ball, a very strong current (急流) swept the ball further away from me
25、.At that moment, a string of weed tangled (缠结) up with my feet and I could not swim properly.I struggled to float but it was no use.“If I had listened to mum and dad, this would never have happened，” I thought silently.注意：1.续写词数应为150左右；2请按如下格式作答。Finally, after struggling for a minute or two, I had n
26、o more energy and got pulled underwater. When I woke up, I was in an empty room lying on a bed. 参考范文：Finally, after struggling for a minute or two, I had no more energy and got pulled underwater.I held on to the weed but it broke suddenly.I swam back to the surface to take a breath.Then I saw two yo
27、ung men in small boats, racing against each other.I was exhausted but I shouted for help.“Help！” “Help！” But they ignored me and raced on.“Am I dying？” I was terribly scared.Fortunately, a lifeguard spotted me and reached out to me before I lost my consciousness.When I woke up, I was in an empty roo
28、m lying on a bed.It was not until a doctor came into the room that I realized that I was in a hospital.After a few minutes, my parents hurried in anxiously.They held my hands and kissed me on the face.“Im sorry，” I murmured.They comforted me “Thank goddess, youre OK! But do remember safety comes first！” With tears in my eyes, I nodded.I will never forget the terrifying experience and neither will I show off again.
