实题解析雅思听力的十大黄金原则.doc

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[.(47)——(50)]
Questions 47-50. Listen to the beginning of a lecture given by a history professor.
Good morning, class. Before we begin today, I would like to address an issue that one of you reminded me of after the last lecture. As you may recall, last time I mentioned that Robert E. Pierre was the first person to reach the North Pole. What I neglected to mention was the controversy around Pierre’s pioneering plishment. In 1910, mittee of the national geographical society eydore Pierre’s claim to have reached the North Pole on April 6th 1909 and found no reason to doubt him. This judgment was actually confirmed by mittee of the US congress in 1911. Nevertheless, Pierre’s claim was surrounded by controversy. This was largely due to peting claim of Doctor Frederic Cook who told the world he had reached the Pole a four-year earlier. Over the decades Pierre was given the benefit of the doubt, but critics persisted in raising questions about his navigation and the distances he claimed to have covered. So the Navigation Foundation spent an additional 12 months of exhaustive examination of documents relating to Pierre’s polar expedition. The documents supported Pierre’s claims about the distances he covered. After also conducting an puter analysis of photos taken by Pierre at the pole, they concluded that Pierre and panions did in fac