The death of Xiangxiang, the five-year-old panda who lived in Wolong Giant Panda Research （中心）, attracted the attention of the whole （社会） recently.

    Last year Xiangxiang became the first to be set free into the wild. The 176 pounds male panda survived less than a year in the wild, until scientists （发现） that his body condition suddenly became worse. Some people were sent out to see what （发生）, only to find it （死）.

    Those who fed and cared for him must still remember the enormous playful Xiangxiang. During the five years they have tried everything to （教给） him the （方法, 措施） in living independently. When they heard that sad news, they couldn't help weeping（流泪） for the death of the lovely panda （谁） had been with them for five years.

    According to scientists, when Xiangxiang was looking for food in his habitat, it met a wild panda which was much more aggressive. When they were having a （残酷的） fighting, Xiangxiang unfortunately fell from a high tree to the （底部） of cliff（悬崖）.