EXERCISE：
    1. Paragraph 2_____.
    2. Paragraph 3_____.
    3. Paragraph 4_____.
    4. Paragraph 5_____.
    A Earthquakes forecast
    B Historical records of earthquakes
    C Intensities of earthquakes
    D Cause of earthquakes
    E Indications of earthquakes
    F Damaging earthquakes
    5. Not all damage during an earthquake is caused ____.
    6. Not all earthquakes are strong enough ___.
    7. Scientists have been working hard to warn people ___.
    8. Earthquakes can be predicted by observing ___.
    A by the quake itself
    B not be prevented
    C to cause damage of property and loss of lives
    D of a possible earthquake
    E the unusual behaviors of some animals
    F the strong behaviors of human beings
    參考答案： C 　D　 A　 E　 A　 C 　D　 E