新概念英语第二册lesson67的summary writing
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Tazieff,the Polish scientist,went to Lake Kivu in the Congo in 1948 to observe a new volcano which he called Kituro.After taking photographs,he had to leave almost at once because a river of liquid rock threatened to surround him.He escaped just in time but he returned two days later when the volcano had become quiet.This time he climbed into the mouth of Kituro in order to take photographs and measure temperatures.
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