题目

根据句意及首字母提示补全单词，使句子完整、通顺。【1】I'm feeling very h__________．Can you give me something to eat?【2】Guo Jingming is one of my favorite w __________．【3】It rained hard，but n__________of my classmates was late for school.【4】Paul is funny and he always tells jokes to make us l__________．【5】If you want to know more i__________ about the trip，please call us at 1256­8936.已知函数f（x）=x3-3a|x-1|，（1）当a=1时，试判断函数f（x）的奇偶性，并说明理由；（2）当a＞0时，求函数f（x）在[0，+∞）内的最小值．