California is one of the richest states in America．It has a large amount of land．And it also has more people than any other states．It has plenty of natural resources （资源），too．

    But everything （A）_______ not perfect there．California has two major problems：earthquakes and forest fires．

    The San Andreas Fault runs through California．（B）As a result ofit，the state gets many earthquakes．（C）其中一些地震非常强烈For example，there was a strong earthquake in San Francisco in 1906．It destroyed many buildings．And it started a large number of fires．（D）More than 3，000 people died after it． There have also been many other strong earthquakes．Some people fear that the"big （E）one"will hit someday．They think an earthquake will cause a huge amount of damage （破坏）．

    During summer and autumn，much of California is dry．So forest fires，or wildfires，often start．Those fires can spread （F）rapidly． They burn many forest．But they can also burn people's homes and buildings．They often kill people．（G）_______ firefighters can put them out．