Many people in this country eat _______________ as they actually need every day. A) twice as much meat B) twice meat as much C) as twice much meat D) meat as mu
They have been waiting for many hours to see the singer, but the airplane must have been _____. A. behind the times B. behind schedule C. ahead of time D. in no time
上部分点的横坐标x，纵坐标y的对应值如表所示，给出下列说法：
解析: