Natural Disasters
Section A　Listening and Speaking
An earthquake is a terrible experience!However,there is no advance warning nor is there a particular time of year,like monsoons(季风),when an earthquake always occurs①.Unlike a tornado or hurricane,there are no known methods② of predicting③ an earthquake.
Though it is estimated④ that about 500,000 earthquakes occur each year,only 100 of them cause damage!However,an earthquake could occur any time of the day or night so it pays to be prepared if yo ...