Athousandyears的精选

问题详情：阅读下面短文，掌握其大意，然后从各题所给的A、B、C或者D四个选项中选出最佳选项。Athousandyearsago,HongKongwascoveredbyathickforest.Asmoreandmorepeoplecameto  1  inHongKong,thesetreeswerecutdowna...