新概念英语第二册逐句精讲语言点 第67课(3)
Lesson 67: Volcanoes 火山
Haroun Tazieff, the Polish scientist, has spent his lifetime 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 in time. 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.
句子讲解：
7、He waited until the volcano became quiet and he was able to return two days later.
他一直等到火山变得平静下来，两天之后，他又返回去了。
语言点 was able to return设法返回
8、This time, he managed to climb into the mouth of Kituro so that he could take photographs and measure temperatures.
这次他设法爬进了基图罗火山口，以便能拍摄照片和测试温度。
语言点 manage to climb设法爬进
9、Tazieff has often risked his life in this way.
塔捷耶夫经常冒这样的生命危险。
语言点 risk one’s life冒着某人的生命危险
10、He has been able to tell us more about active volcanoes than any man alive.
他能告诉我们的有关活火山的情况比任何在世的人都要多。
语言点1 has been able to tell能够告诉
语言点2 比较学习：alive和living
1) alive常放在系动词之后作表语,或所修饰的名词之后作后置定语;
2) living则作前置定语，放在被修饰的名词之前，如：living man活着的人。
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bbc你问我答：Be able to 短语详解
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