题目

Nothing else is more pleasant than the three words which are “I love you”. But can love be bought? I’m afraid not. Love means to give, not to take. To every person, health and long life are probably the most precious(宝贵的) things. Well, can health and a long life be bought with money? The answer is “No”.Of all the longest living people in the world, few of them are millionaires(百万富翁）. True friendship can’t be bought, either. In a word，where money is worshiped(崇拜)，money can cause brothers to quarrel，lovers to hate，strangers to fight and so on. No matter ho关于x的一元二次方程的根的情况是（ ）A．没有实数根B．只有一个实数根C．有两个相等的实数根 D．有两个不相等的实数根