题目

---I’m not _____ up so early yet but I have to _____ myself to it. ---Yeah. Just as the saying goes,” An early bird catches the worm.” A .used to getting; adopt                            B. accustomed to getting; accustom C. used to get; adapt                               D. accustomed to get; accustom 答案：B4．甲、乙两人分别从A、B两地同时出发，相向而行，匀速前往B地、A地，两人相遇时停留了4min，又各自按原速前往目的地，甲、乙两人之间的距离y（m）与甲所用时间x（min）之间的函数关系如图所示．有下列说法：①A、B之间的距离为1200m；    ②乙行走的速度是甲的1.5倍；③b=960；                      ④a=34．以上结论正确的有（　　）A．①②B．①②③C．①③④D．①②④