我国农村恩格尔系数由2002年的46.25%下降到2006年的43.02%。农村居民消费进入了讲究生活品位的阶段。恩格尔系数下降表明( )
A:食品消费支出占家庭总支出的比重提高
B:家庭食品消费支出数量不断减少
C:人们的生活已进入享受型消费
D:人们生活水平提高,消费结构改善
Amy and her family ____ over the winter holiday.Hainan is ____ their home, so they went there ____. Sanya is a good place to visit. The weather is ____. The ____ is beautiful. Amy took lotsof pictures there. She ____ in the sea, too.
化学方程式为____.