(たまに)挑戦しよう TOEIC800級 unsung hero the decline in segregation hasn't been uniform across the black population.much of the decline reflects relatively well-educated black americans moving intowhite districts.
チリの火山噴火 the sky over lake nahuel huapi is darkened by ash from chile's puyehue
volcano 100 miles (160 km) to the west, in the argentine resort city of
bariloche, on june 4, 2011. (reuters/chiwi giambirtone) #