4．The purpose of putting a place on the World Heritage List is________.

　　A．to attract more tourists from other countries

　　B．to get more money and help from other countries

　　C．to have it taken better care of

　　D．to make it known to other countries

　　【解析】　推理判断题。通过联合国对一个国家的要求可推知，认定世界遗产的目的是使遗产得到更好的保护。

　　【答案】　C

　　B

　　Only one native speaker of Livonian remains on Earth，in Latvia.The Alaskan language Eyak went extinct last year when its last surviving speaker passed away.Those are just two of the nearly 2,500 languages that UNESCO said are in danger of becoming extinct or have recently disappeared.That's out of a total of 6,000 world languages.

　　In a presentation of a new world atlas(图解集) of endangered languages in Paris，linguists stressed the list is not restricted to small or faraway countries.They also sought to encourage immigrants to treasure their native languages."Language endangerment is a universal phenomenon，"said Christopher Moseley，an Australian linguist who edited the third edition of the atlas，which is to appear in digital and paper versions.The atlas says 200 languages have become extinct in the last three generations，and another 199 languages have fewer than 10 speakers left.

　　More than a quarter of the 192 languages once spoken in the United States have disappeared.Another 71 are severely endangered，according to the atlas.There is Gros Ventre，spoken by fewer than 10 people in northern Montana.All are elderly，and none is fully fluent.The last fully fluent speaker died in 1981.Menomonee，spoken in northeast Wisconsin，has just 35 speakers left.

Not all is bleak，however.Some endangered languages，like Latvia's Livonian，are being revived by young people and through poetry.Marleen Habard，editor of the atlas' Andean regions，said indigenous(土著的) groups in South America have been at the forefront of preserving their regional tongues by pressuring governments to