【简答题】C On May 29, 1973, Thomas Bradley, a black man, was elected mayor of Los Angeles. Los Angeles is the third largest city in the United States, with a population of three million. About six percent ...
【单选题】Injuries and deaths were relatively less in Los Angeles because the quake occurred at 4:31a.m.on a holiday when traffic was light on the city's highways. In addition, changes made to the constructions...
A.
new computers had been installed in the buildings
B.
it occurred in the residential rather than on the highways
C.
large numbers of Los Angeles residents had gone for a holiday
D.
improvements had been made in the construction of buildings and highways