A:AB=BC
B:AO=BO
C:∠DOC=90°
D:∠CDO=∠ADO
有几位企业家准备合资建一家葡萄酒厂,在选择厂址时发生了争论,有的要建在城镇附近,有的要建在葡萄园附近,到底谁的观点正确?
直线y=2x﹣6向上平移3个单位后得到的直线是____ .
Mr. King ____ (hold) a party to celebrate his mother's eightieth birthday next week, isn't he?