题目

在数轴上表示a、b两数的点如图所示，则__________. 答案：【答案】0【解析】根据数轴上点的位置判断出a＋b的正负，利用绝对值的代数意义化简，去括号合并即可得到结果.根据题意得：b＜0＜a，∴ |b|＞|a|，∴ a＋b＜0，∴＝－a－b，∴a＋b＋ ＝a＋b－a－b ＝0，故答案为0.I went to school ______ my father's car yesterday. [     ]A. on B. by C. in D. with