题目

WASHINGTON   The head of the World Bank says for the first time in human history, it is possible to end poverty around the world．Jim Yong Kim told a Washington audience Tuesday, he wants to make ending world poverty by 2030 a top goal for the bank and governments around the world． World Bank President Jim YongKim says that the problems of poverty, hunger and inequality are wide, urgent and a matter of survival of millions． We know that despite the great successes of the last decade, there are still about 1.3 billion people living in extreme poverty, 870 million who go hungry ev甲、乙两小车同时同地沿同一直线匀速直线运动，它们的s﹣t图象分别如图所示，根据图象分析可知（ ）A．v甲=0．6m/s，v乙=0．4m/s B．经过6s两小车一定相距6．0mC．经过6s两小车一定相距4．8m D．经过6s两小车可能相距2．4m