阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
The giant panda__1__(love) by people throughout the world.Chinese scientists __2__(recent) had a chance to study a wild female panda with a newborn baby.She was a very __3__(care)mother.For 25 days,she never left her baby,not even to find something __4__(eat)!She would not let any other pandas come near.She licked the baby constantly to keep it clean.Any smell might attract natural __5__(enemy)that would try to eat the little panda.The mother held the baby in her front paws much the way a human does.