5．Which is the right order of the immigrants reaching California between the 18th and the 20th century? a．the Spanish　b．the Danish　c．the Italian　d．the Russian　e．the Chinese A．a，d，e，c，b B．e，d，b，c，a C．a，b，c，d，e D．d，e，a，c，b 答案　1.A　2.C　3.B　4.A　5.A