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Questions 56-60 are based on the following passage.-|||-Animals and plants need each other to survive.They keep the world of nature in balance.If a certain-|||-plant dies out some animals may become extinct,too,because they depend on the plant for food.-|||-Long ago,most animals and plants became extinct because of natural events,like earthquakes or-|||-volcano eruptions.Climati changes also led to the disappearance of certain species.Today,plants and-|||-animals are in danger mostly because of humans.-|||-Some plants and animals can only live in certain areas.We call such a living place a habitat.If a habitat-|||-is destroyed the species cannot find any more food or a place to live,sleep or have babies.So it dies out.-|||-Habitats can be destroyed in many ways.People need more space to live in.Therefore,they take away-|||-the natural home of plants and animals.-|||-Pollution can also kill off certain species.Acid rain from factories can poison fish there.-|||-Sometimes native animals become endangered when a new species appears.Foxes were brought to-|||-Australia to kill off rabbits,which were seen as a pest.But instead of killing rabbits,the foxes killed-|||-kangaroos and other animals.-|||-People have hurt plants and animals but they are willing to help them survive.All over the world-|||-organizations like the World Wildlife Fund,the Rainforest Action Network and Friends of the Earth are-|||-helping to protect habitats.They raise money for their projects and make governments and the public aware-|||-of the problem.New laws have also been made to protect endangered plants and animals all over the world.-|||-56.Nowadays,plants and animals are in danger mainly due to .-|||-A.noises B.humans C.weather D.earthquakes-|||-57.The underlined word"habitat"in the third paragraph means .-|||-A.习惯 B.洞穴 C.环境 D.栖息地-|||-58.Foreign foxes killed kangaroos and other animals rather than __ in Australia.-|||-A.mice B.pests C.rabbits D.ants-|||-59.Which of the following statements is implied in the last paragraph?-|||-A.Nobody is aware of the importance of wildlife protection.-|||-B.People have not taken action to preserve habitats.-|||-C.Governments are held responsible for the extinct species.-|||-D.Young people should realize the urgency of the problem.-|||-60.What is this passage mainly about?-|||-A.Wildlife habitats. B.Natural events,-|||-C.Protecting plants and animals. D.Protecting human beings.-|||-Ⅲ.Reading Comprehension(4 points)-|||-Section A(30 points,2 for each)-|||-Directions: There are three passages in this section.Each passage is followed by some questions or-|||-un finished statements.Fo each of them there are four choices marked A,B,Cand D.Decide on the best-|||-ONE and mark the corresponding letter on the ANSWER SHEET.

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