Lesson 67 Volcanoes
Haroun Tazieff， the Polish scientist, has spent his life-time studying active volcanoes and deep caves in all parts of the world. In 1948, he went to Lake Kivu in the Congo to observe a new volcano which he later named Kituro. Tazieff was able to set up his camp very close to
the volcano while it was erupting violently. Though he managed to take a number of brilliant photographs, he could not stay near the volcano for very long. He noticed that a river of liquid rock was coming towards him. It threatened to surround him completely, but Tazieff managed to escape just intime. He waited until the volcano became quiet and he was able to return two days later. This time, he managed to climb into the mouth of Kituro so that he could take photographs and measure temperatures. Tazieff has often risked his life in this way. He has been able to tell us more about active volcanoes than any man alive.
Lesson 68 Persistent
I crossed the street to avoid meeting him, but he saw me and came running towards me. It was no use pretending that I had not seen him, so I waved to him. I never enjoy meeting Nigel Dykes. He never has anything to do. No matter how busy you are, he always insists oncoming with you. I had to think of a way of preventing him from following me around all morning.
'Hello, Nigel,' I said. 'Fancy meeting you here !'
'Hi, Elizabeth,' Nigel answered. ' I was just wondering how to spend the morning-
-until I saw you. You're not busy doing anything, are you ?' ' No, not at all,' I answered.' I'm going to.. .'
'Would you mind my coming with you ?' he asked, before I had finished speaking. ‘ Not at all,' I lied, 'but I'm going to the dentist.'
' Then I'll come with you,' he answered.' There's always plenty to read in the 'waiting room !'
volcano 火山
camp营帐
erupt 火山爆发
violently 强烈地
threaten 威胁 ，有/……危险
persistent 持久的，坚持不懈的
prevent 防止 阻止
昨晚就开始嗓子有点不舒服，今天起来没有好转，但也没有加重，为了安全就先自我隔离吧。趁着还有力气，学了两课。
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