Athousandyears的精選

問題詳情：閱讀下面短文，掌握其大意，然後從各題所給的A、B、C或者D四個選項中選出最佳選項。Athousandyearsago,HongKongwascoveredbyathickforest.Asmoreandmorepeoplecameto  1  inHongKong,thesetreeswerecutdowna...