题目

将抛物线经过怎样的平移可得到抛物线？答：（      ）  A. 先向左平移3个单位，再向上平移4个单位B. 先向左平移3个单位，再向下平移4个单位C. 先向右平移3个单位，再向上平移4个单位D. 先向右平移3个单位，再向下平移4个单位            答案：A解析:略 John, a friend of mine, _____ got married only last week, spent ＄3000 more than he _____. A. whom; will plan B. who; has planned C. whom; would plan D. who; had planned