A. They take school bus. B. They take a taxi. C. Their mother drives for them. D. Scout troop sends them to school. 参考答案:C 答案解析:[试题分析] 本题是细节题。 [详细解答] 文章第一段提到playing taxi driver to us kids when it’s time for school,意为“母亲为送我们上学
第37题: [单项选择]若有以下程序段: int r =9; printf("%d/n",r>>1); 输出结果是 A. 2 B. 4 C. 8 D. 16 参考答案:B 答案解析:[解析] 9用二进制表示为1001,右移1位后为0100,即十进制4。