（Ⅰ）设函数f（x）的最小值为g（a），求g（a）的表达式；
（Ⅱ）若对于任意的x∈R，f（x）≥0恒成立，求a的取值范围；
（Ⅲ）若对于任意的a∈[﹣2，0]，f（x）≥0恒成立，求x的取值范围．
根据短文内容，判断正确还是错误。
My name is Li Hong. I'm 16 years old. I have a lovely brother. His name is Li Qiang. He was short and thin two years ago. He was 1.58 m. He was 48 kg. He was a primary school student. He often watched TV and played games. He didn't like playing football. Now he is handsome. He is 14 years old. He is a junior high school student. He is 1.65m. He is 56kg. He is tall and fat. He is very strong, too. Sometimes he watches TV in the evening. He doesn't play games. He plays football and rides a bike every day.
从1872年创刊至1949年停刊，《申报》共出版2．56万号，其中刊登了大量纺织业的内容，见证了近代中国77年纺织业的发展历程。这说明（ ）
《全球通史》评述“日本领导人并不对西方文明本身感兴趣，而仅仅对其中增加了民族力量的那些组成部分感兴趣……他们现在提出了一个非凡的改革方案，宗旨在于建立一个强大的日本即”在明治维新中，最能体现“增强了民族力量”的是（ ）
