题目

二次函数满足，且.（1）求的解析式； （2）在区间[－1,1]上，的图象恒在的图象上方，试确定实数的取值范围. 答案：保护好我们的生活环境是一件非常重要的事情，请根据以下表格提示, 以How to Protect the Environment为题写一篇100字左右的短文，阐明你的观点，并把答案转写在答题卡上, 短文开头已给出，不计入短文字数。Problems    Factories and cars give off (放出)poisonous(有毒的) gas;Trees are cut down; Waste water is poured into(被倒入) river;Rubbish is thrown everywhere;…Measures    take measures :for example: make laws to stop pollution …Your opinions   make people aware of the importance of protecting the environment;To protect the environment is to protect ourselves…Environmental problems are becoming more and more serious all over the world. For example, ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________