How often do most places have earthquakes?

admin2008-12-15  22

问题 How often do most places have earthquakes?
  
Earthquakes are something that most people fear. There are some places which have few or no earthquakes. Most places in the world, however, have them regularly. Some places, like Iran and Guatemala have them regularly. Countries that have a lot of earthquakes are usually quite mountainous.
The most talked about earthquake in the United States was in San Francisco in 1906. Over 500 people died in it. The strongest one in North America was in 1964. It happened in Alaska.
Earthquakes are not the only acts of nature that people fear. Hoods and tidal waves also cause people to be afraid. So do bad storms like typhoons and cyclones. Sometimes these things cause lots of deaths. In 1970,a cyclone and tidal wave killed over 200, 000 in Pakistan.
These kinds of things made people afraid and they are very dangerous. But they do not worry people as much as earthquakes, especially in the modern times. The reason is that we often know they are coming, we have some warning. So fax, however, no sure way is known to predict an earthquake. When one comes, it is a surprise. People cannot prepare it.

选项 A、A flood and storm.
B、A cyclone and storm.
C、A typhoon.

答案B

解析
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