Living at the foot of one of the 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, it is the most densely-populated region on the whole island of Sicily. The reason is that rich volcanic soil makes the land fantastic for farming. (1)______________________________________.
For them, the economic benefit they reap surpasses the risk of dying or losing property in one of volcanoes frequent eruptions. People everywhere make decisions about risky situations this way, that is, (2)______________________. According to the experts, the size of the risks depends on both its probability and seriousness.
Let’s take Mount Etna for example, it does erupt frequently, but thousands of the eruptions are usually minor, so the overall risk for people living nearby is relatively small. But suppose Mount Etna erupted every day, or imagine that each eruption there killed thousands of people, (3)_____________________________. Indeed, the risk would be too large for many people to live with and they would have to move away.
1.by growing soil of variaty crop,local people earn for living.
2.by comparing the risk and benefit
3.inspite of the case, the reap must be much larger.
by growing and sawing a variety of crops, local peaple earn a good living, by camparing the risks and he benefits,if that were the case, the risk be much larger.
发表于 2012-5-23 11:33
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发表于 2012-5-24 13:31
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