题目

阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。Scholars think of theBaby Boom (婴儿潮) generation as those Americans bornbetween 1946 and 1964. But in my opinion, a Baby Boomer is an American bornafter the Second World War who remembers the Apollo 11 moon landing. For thoseof us, Apollo 11 was the biggest thing that had ever happened in our lives. Itmarked our lives just as the Great Depression and the Second World War hadmarked our parents' and grandparents' lives. We were the last generation tohave been born before humans bec将方程中的x的系数化为整数，则下列结果正确的是（   ）A．B．C．D．