2. 外语
  3. A study conducted by an Australian science agency has discovered signs that the country’s ancient Aborigines may have been the w

A study conducted by an Australian science agency has discovered signs that the country’s ancient Aborigines may have been the w

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问题     A study conducted by an Australian science agency has discovered signs that the country’s ancient Aborigines may have been the world’s first astronomers,【C1】______Stonehenge(巨石阵)in Britain by more than a thousand years.
    Professor Ray Norris, of the Commonwealth Scientific and Industrial Research Organization  (CSIRO), said【C2】______knowledge of the stars through songs and stories had been passed down through generations by the Aboriginal people, whose history dates back tens of thousands of years.
    "We know there are many stories about the sky: songs, legends, myths to mark out the seasons, so they are very【C3】______Norris said. "People【C4】______changed settlement, so when Pleiades(the Seven Sisters star【C5】______)was up they would move to where the nuts and berries are. Another sign and it would be time to move to the rivers to fish for barramundi, and so on."
    Norris, who has studied Aboriginal culture【C6】______and has made several journeys to Arnhem Land in Australia’s Outback, said the research also【C7】______more detailed astronomical thought. "Clearly some thinker in the past has been sitting down in the bush, watching the【C8】______and trying to figure out how it works," he said. "Those thoughts are then encoded in the songs and ceremonies." Norris is now looking for【C9】______that might date the earliest signs of Aboriginal astronomy, such as a stone carving of a meteor strike or comet.     Norris is confident that the Aborigines pre-dated European astronomers, including Stonehenge and Egypt’s great pyramid Giza, both of which are【C10】______at around 3100 BC. "We’ve established there is all this astronomy, what I don’t know is how far back this goes. If it goes back 10,000 or 20,000 years, that makes Aborigines the world’s first astronomers," he said.
    A)detailed B)boosted C)eclipse D)vigorous
    E)practical F)evidence G)revealed H)estimated
    I)regularly J)routine K)cluster L)preceding
    M)extensively N)rectifying O)respectively
【C6】
选项
答案M
解析 空格所在的定语从句已有谓语动词和宾语，因此空格最有可能填入副词。Norris是研究土著文化的专家，extensively最切文意，表示Norris“大量、深入”地研究过土著文化。regularly填入句中，句法虽正确但不足以说明Norris在这方面的权威，故排除。
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