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1、单元质量评估(四)(时间：100分钟满分：120分)第一部分阅读理解(共两节，满分40分)第一节(共15小题；每小题2分，满分30分)阅读下列的短文，从每题所给的四个选项(A、B、C和D)项中选出最佳选项。AAnimal conservationMany animal and plant species have become extinct and many more are in critical danger.Finding ways to protect the earths wildlife and conserve the natural world they inhabit(居住
2、)is now more important than ever.DodosThe Dodo is a classic example of how human caused damage to the earths biology.The flightless Dodo was native to the Island of Mauritius in the Indian Ocean.It lived off fruit fallen from the islands trees and lived unthreatened until humans arrived in 1505.The
3、easily controlled bird became a source of food for sailors and was attacked by animals introduced to the Island by humans such as pigs, monkeys and rats.The population of Dodos rapidly decreased and the last one was killed in 1681.RhinosThe Rhino(犀牛)horn is a highly prized item for Asian medicine.Th
4、is has led to the animal being hunted in its natural habitat.Once widespread in Africa and Eurasia，most Rhinos now live in protected natural parks and reserves(保护区)Their numbers have rapidly decreased in the last 50 years，and the animals remain under constant threat from poachers(偷袭者)The Giant Panda
5、The future of the World Wildlife Funds symbol is far from certain.As few as 1，600 pandas remain in the wild.The Chinese government has set up 33 panda reserves to protect these beautiful animals and made poaching them punishable with 20 years in prison.However，the pandas distinct black and white pat
6、ched coat fetches a high price on the black market and determined poachers still pose(造成)one of the most serious threats to the animals continued existence.WhalesThe International Whaling Commission is fighting to ensure the survival of the whale species.Despite the fact that onethird of the worlds
7、oceans have been declared the whale sanctuaries(保护区).7 out of 13 whale species remain endangered.Hunted for their rich supply of oil，their numbers have decreased to just 300.Collisions with ships，poisonous pollution and being caught in fishing nets are other major causes of whale deaths.TigersThe la
8、st 100 years has seen a 95% reduction in the numbers of remaining tigers to between 5，000 and 7，000 and The Bali，Javan，and Caspian tigers are already extinct.The South China tiger is precariously close to disappearing，with only 20 to 30 still alive.Like the Rhino horn，tigers bones and organs are sou
9、ght after for traditional Chinese medicines.These items are traded illegally along with tiger skins.【语篇解读】文章介绍了已经灭绝了的和现在生存环境并不理想的一些濒危动物，旨在引起人们对动物保护的重视。1It implies that _Athe Dodo lacked the ability to protect itself from other animalsBsailors to the Island of Mauritius lived mainly on the DodoCthe D
10、odo used to be a strong animal that liked fightingDthe Dodo，pigs，monkeys and rats were the natives to the Island of Mauritius解析：推理判断题。从文章中的“flightless，lived off fruit fallen from the islands trees.easily controlled”等词可推测出Dodo鸟缺少保护自己的能力。答案：A2Which group of the following animals has already ceased to
11、exist according to the text?AThe Dodo，Rhinos and Giant Pandas.BThe Rhino，Whales and South China Tigers.CThe Rhino，Pandas，Whales and Tigers.DThe Dodo and the Bali，Javan，and Caspian tigers.解析：细节理解题。根据文章第二段的“The population of Dodos rapidly decreased and the last one was killed in 1681.”可判断Dodo鸟是灭绝的动物之一
12、，再根据最后一段中的“The Bali，Javan，and Caspian tigers are already extinct.”可得知灭绝的动物还有这几种。答案：D3Which of the following statements is NOT true?AThe number of South China tigers has reached crisis point.BMany animals are threatened with extinction as a result of human activities.CPeople hunt for the endangered a
13、nimals for high profit.DThe Whale is the representing mark for the World Wildlife Fund.解析：推理判断题。从第四段中的“The future of the World Wildlife Funds symbol is far from certain.”一句可知选D。答案：D4Which of the following is mentioned in all the descriptions of those wild animals?AThe way of their life.BThe reason f
14、or their extinction or being in danger.CWhy they are hunted.DPunishment for hunting wild animals.解析：推理判断题。针对五种野生动物进行介绍，内容不尽相同，有的介绍了人们为什么猎取它们；有的介绍了这些野生动物剩存的数量；有的介绍了对于猎取野生动物的惩罚手段，但有一点是相同的，即：Dodo鸟灭绝的原因以及其他四类野生动物濒临灭绝的原因。答案：BBGeorge was a game warden(猎物繁殖和保护区的管理员)in Kenya.One day，he found three tiny lion
15、s beside a dead lioness.They were so little that their eyes had not yet opened.Sadly，he took the three little lions and drove back home.When George got out of the car with the baby lions，his wife Joy Adamson immediately took over.Joy had cared for many young animals over the years，but she had never
16、tried to raise baby lions！However，she was determined to save these babies.The lions grew rapidly.But as the lion grew bigger and stronger，Joy and George realized they could not keep three large lions.They decided to present two of the lions to a zoo；they would keep the smallest lion，which they named Elsa.Joy and George taught Elsa to h
