Vale do Rio Doce paced a decline in raw-materials producers after Itau Corretora said a fall in prices for iron ore cheongsam to China.

• 面对性知识目不暇接的诱惑与危险，越来越多的中国人开始感到无所适从。他们是在普及性知识、进行性教育？还是在解惑的同时也在传播谬误？