填空题
- 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
填空题
Not all damage during an earthquake is caused 1.
填空题
Not all earthquakes are strong enough 1.
填空题
Scientists have been working hard to warn people 1.
填空题
Earthquakes can be predicted by observing 1.