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标题: 六级练习2015.07.18 [打印本页]

作者: Rebecca949    时间: 2015-7-20 10:01     标题: 六级练习2015.07.18

[audio]http://sound.yywz123.com/tingbbs/cet6/cet620150718.mp3[/audio]


Living at the foot of one of the world’s most active volcanoes might not appeal to you at all. But believe it or not, the area surrounding Mount Etna in Italy is packed with people. In fact, (1)_____________________. The reason is that rich volcanic soil makes the land fantastic for farming. By growing and selling a variety of crops, local people earn a good living. For them, (2)______________________. People everywhere make decisions about risky situations this way, that is, by comparing the risks and the benefits. According to the experts, the size of the risk depends on both its probability and seriousness. Let’s take Mount Etna for example. It does erupt frequently. But those eruptions are usually minor. So the overall risk for people living nearby is relatively small. (3)_____________________. If that were the case, the risk would be much larger. Indeed, the risk would be too large for many people to live with. And they would have to move away.




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作者: schoolclub    时间: 2015-7-29 01:18

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